Trojan.Generic.5503455_c01642f8dc – Adaware

Dynamic Analysis

Payload

No specific payload has been found.

Process activity

The Trojan creates the following process(es):

hwnd.exe:676
hwnd.exe:168
exdil.exe:272
exdil.exe:864

The Trojan injects its code into the following process(es):

%original file name%.exe:388
setup.exe:1668
Explorer.EXE:1684

Mutexes

The following mutexes were created/opened:

{F40026EC-486C-49B6-1F9E-0189FAB78EC1}_SHuassist.mtxZonesLockedCacheCounterMutexZonesCacheCounterMutexZonesCounterMutexShimCacheMutex

File activity

The process %original file name%.exe:388 makes changes in the file system.

The Trojan creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temp\RarSFX0\hwnd.exe (11916 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\RarSFX0\setup.exe (5256 bytes)

The Trojan deletes the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temp\RarSFX0\__tmp_rar_sfx_access_check_2425984 (0 bytes)

The process hwnd.exe:676 makes changes in the file system.

The Trojan creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Application Data\Owufk\exdil.exe (3839 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\tmp10f57aff.bat (191 bytes)

The process hwnd.exe:168 makes changes in the file system.

The Trojan creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temp\00000000 (14 bytes)

The Trojan deletes the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temp\~DF9187.tmp (0 bytes)

The process exdil.exe:864 makes changes in the file system.

The Trojan creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temp\00000000 (14 bytes)

The Trojan deletes the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temp\~DF9CA.tmp (0 bytes)

Registry activity

The process %original file name%.exe:388 makes changes in the system registry.

The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "79 89 36 A4 58 AE 0C 78 AF 47 94 14 4B BB C6 4E"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd73-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cookies" = "%Documents and Settings%\%current user%\Cookies"

[HKCU\Software\Microsoft\Wuvoi]
"Olmootin" = "16 80 72 8D 0A A5 00 09 1D E7 F3 F1 CB EC B2 76"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Documents" = "%Documents and Settings%\All Users\Documents"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Desktop" = "%Documents and Settings%\%current user%\Desktop"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd72-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache\C:\DOCUME~1\"%CurrentUserName%"\LOCALS~1\Temp\RarSFX0]
"hwnd.exe" = "hwnd"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{b98117e8-75ca-11e2-81b2-000c293708fb}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache\C:\DOCUME~1\"%CurrentUserName%"\LOCALS~1\Temp\RarSFX0]
"setup.exe" = "7z SFX"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Desktop" = "%Documents and Settings%\All Users\Desktop"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Personal" = "%Documents and Settings%\%current user%\My Documents"

The Trojan modifies IE settings for security zones to map all urls to the Intranet Zone:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"IntranetName" = "1"

The Trojan modifies IE settings for security zones to map all local web-nodes with no dots which do not refer to any zone to the Intranet Zone:

"UNCAsIntranet" = "1"

The Trojan modifies IE settings for security zones to map all web-nodes that bypassing the proxy to the Intranet Zone:

"ProxyBypass" = "1"

The process hwnd.exe:676 makes changes in the system registry.

The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "54 6A 74 27 29 6A 3D 6E A1 54 7D 45 59 FB 88 99"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"

The process hwnd.exe:168 makes changes in the system registry.

The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "00 5F 1F 01 F0 D0 2A 42 D5 69 98 6A 3F 19 90 81"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cookies" = "%Documents and Settings%\%current user%\Cookies"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Documents" = "%Documents and Settings%\All Users\Documents"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"History" = "%Documents and Settings%\%current user%\Local Settings\History"
"My Pictures" = "%Documents and Settings%\%current user%\My Documents\My Pictures"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"
"Personal" = "%Documents and Settings%\%current user%\My Documents"

[HKCU\Software\Enigma Protector\D98C1DD404B2008F-980980E97E42F8EC\D98C1DD404B2008F-980980E97E42F8EC]
"00000000" = "6D FE 42 1F 1E A7 5C 2E 97 E1 77 D6 39 A1"

The process exdil.exe:272 makes changes in the system registry.

The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "F0 F6 44 C6 7A 56 14 8E 9A 12 66 ED 48 45 66 B9"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"

The process exdil.exe:864 makes changes in the system registry.

The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "A6 F2 36 2C BE 13 EA 9F D6 30 A8 B3 66 B0 29 83"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cookies" = "%Documents and Settings%\%current user%\Cookies"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Documents" = "%Documents and Settings%\All Users\Documents"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"History" = "%Documents and Settings%\%current user%\Local Settings\History"
"My Pictures" = "%Documents and Settings%\%current user%\My Documents\My Pictures"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"
"Personal" = "%Documents and Settings%\%current user%\My Documents"

[HKCU\Software\Enigma Protector\D98C1DD404B2008F-980980E97E42F8EC\D98C1DD404B2008F-980980E97E42F8EC]
"00000000" = "6D FE 42 1F 1E A7 5C 2E 97 E1 77 D6 39 A1"

The process setup.exe:1668 makes changes in the system registry.

The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "B0 13 8E B1 86 D0 96 81 43 FA 2E A7 7F 07 0B 10"

[HKCU\Software\Microsoft\Wuvoi]
"Olmootin" = "16 80 72 8D 0A A5 00 09 1D E7 F3 F1 CB EC B2 76"

Dropped PE files

MD5	File path
4256c83ed7b04a4fa01083ba585bbbb8	c:\Documents and Settings\"%CurrentUserName%"\Application Data\Owufk\exdil.exe
ea7cd2b9a3be095487e58dcb2a0666be	c:\Documents and Settings\"%CurrentUserName%"\Local Settings\Temp\RarSFX0\setup.exe

HOSTS file anomalies

No changes have been detected.

Rootkit activity

The Trojan installs the following user-mode hooks in WININET.dll:

HttpSendRequestExA
HttpSendRequestW
InternetReadFileExA
InternetQueryDataAvailable
HttpSendRequestExW
InternetReadFile
HttpQueryInfoA
HttpSendRequestA
InternetCloseHandle

The Trojan installs the following user-mode hooks in CRYPT32.dll:

PFXImportCertStore

The Trojan installs the following user-mode hooks in USER32.dll:

SetCursorPos
DefMDIChildProcA
DefFrameProcA
DefDlgProcA
GetClipboardData
DefMDIChildProcW
DefFrameProcW
GetUpdateRgn
RegisterClassA
GetDCEx
ReleaseCapture
SetCapture
DefWindowProcA
CallWindowProcA
GetUpdateRect
PeekMessageA
CallWindowProcW
GetMessagePos
GetCursorPos
EndPaint
BeginPaint
DefWindowProcW
RegisterClassExA
GetMessageA
DefDlgProcW
SwitchDesktop
OpenInputDesktop
RegisterClassExW
RegisterClassW
GetCapture
PeekMessageW
GetMessageW
GetWindowDC
TranslateMessage
GetDC
ReleaseDC

The Trojan installs the following user-mode hooks in WS2_32.dll:

WSASend
send
closesocket

The Trojan installs the following user-mode hooks in kernel32.dll:

GetFileAttributesExW

The Trojan installs the following user-mode hooks in ntdll.dll:

LdrLoadDll
NtCreateThread

Propagation

Removals

Remove it with Ad-Aware

Click (here) to download and install Ad-Aware Free Antivirus.
Update the definition files.
Run a full scan of your computer.

Manual removal*

Scan a system with an anti-rootkit tool.
Terminate malicious process(es) (How to End a Process With the Task Manager):
hwnd.exe:676
hwnd.exe:168
exdil.exe:272
exdil.exe:864
Delete the original Trojan file.
Delete or disinfect the following files created/modified by the Trojan:
%Documents and Settings%\%current user%\Local Settings\Temp\RarSFX0\hwnd.exe (11916 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\RarSFX0\setup.exe (5256 bytes)
%Documents and Settings%\%current user%\Application Data\Owufk\exdil.exe (3839 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\tmp10f57aff.bat (191 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\00000000 (14 bytes)
Reboot the computer.

*Manual removal may cause unexpected system behaviour and should be performed at your own risk.

Static Analysis

VersionInfo

No information is available.

PE Sections

Name	Virtual Address	Virtual Size	Raw Size	Entropy	Section MD5
.text	4096	67438	67584	4.55746	8e6577c8c479f3e85e7fa573af92977e
.rdata	73728	6245	6656	3.69223	4ec1c384a6c5f398ea7ca4031012f2d6
.data	81920	49140	512	2.45776	0ebca16960628061dcf3807fd384d9e9
.CRT	131072	16	512	0.147711	a74a099866bd9750c2aa37309234732b
.rsrc	135168	15968	16384	2.47626	a11a9e49f282371e4e767545ab1e3f9e

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

Network Activity

URLs

IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

Traffic

Map

The Trojan connects to the servers at the folowing location(s):

Strings from Dumps

%original file name%.exe_388:

.text

`.rdata

@.data

@.rsrc

WSSSSh

^SShq

SSSh4&A

SSh

%.*s(%d)%s

rtmp%d

shlwapi.dll

%s %s

%s %s %s

GETPASSWORD1

%s%s%d

Software\Microsoft\Windows\CurrentVersion

%s.%d.tmp

winrarsfxmappingfile.tmp

-el -s2 "-d%s" "-p%s" "-sp%s"

__tmp_rar_sfx_access_check_%u

sfxcmd

COMCTL32.DLL

riched20.dll

riched32.dll

COMCTL32.dll

GetProcessHeap

GetCPInfo

KERNEL32.dll

USER32.dll

GDI32.dll

COMDLG32.dll

RegCloseKey

RegCreateKeyExA

RegOpenKeyExA

ADVAPI32.dll

SHFileOperationA

ShellExecuteExA

SHELL32.dll

ole32.dll

OLEAUT32.dll

WINRAR.SFX

d:\Projects\WinRAR\SFX\build\sfxrar32\Release\sfxrar.pdb

Extracting %s

c:\%original file name%.exe

version="1.0.0.0"

name="Microsoft.Windows.Common-Controls"

version="6.0.0.0"

publicKeyToken="6595b64144ccf1df"

Shell.Explorer

"c:\%original file name%.exe

Enter password

&Enter password for the encrypted file:

Skipping %s

The file "%s" header is corrupt%The archive comment header is corrupt

Unknown method in %s

Cannot open %s

Cannot create %s

Cannot create folder %s6CRC failed in the encrypted file %s (wrong password ?)

CRC failed in %s

Packed data CRC failed in %s

Wrong password for %s5Write error in the file %s. Probably the disk is full

Read error in the file %s

Extracting from %s

ErroraErrors encountered while performing the operation

Please close all applications, reboot Windows and restart this installation\Some installation files are corrupt.

%original file name%.exe_388_rwx_009F0000_00026000:

.text

`.data

.reloc

gdiplus.dll

GdiplusShutdown

ole32.dll

gdi32.dll

hXXp://VVV.google.com/webhp

userenv.dll

del "%s"

if exist "%s" goto d

del /F "%s"

Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; SV1)

HTTP/1.1

urlmon.dll

cabinet.dll

PR_OpenTCPSocket

hXXp://

hXXps://

HTTP/1.

â€¦!&7$?

= -9>/

)9()*3-:

0-'40'7!7,

>#):>)9/9

747:29;-

6;9843';22,

xjo5\xt{q{}w .fhhd

F{qbfqawAQv}kwhucp[Ootfpci{.Lp{fZFRDm}R[S

SSSh$

GetProcessHeap

KERNEL32.dll

MsgWaitForMultipleObjects

MapVirtualKeyW

SetKeyboardState

ExitWindowsEx

GetKeyboardState

OpenWindowStationW

GetProcessWindowStation

CreateWindowStationW

CloseWindowStation

SetProcessWindowStation

USER32.dll

RegOpenKeyExW

RegEnumKeyExW

RegCloseKey

RegCreateKeyExW

ADVAPI32.dll

UrlUnescapeA

SHDeleteKeyW

PathIsURLW

SHLWAPI.dll

ShellExecuteW

SHELL32.dll

Secur32.dll

SetViewportOrgEx

GDI32.dll

WS2_32.dll

PFXImportCertStore

CertDeleteCertificateFromStore

CertOpenSystemStoreW

CertCloseStore

CertEnumCertificatesInStore

CertDuplicateCertificateContext

PFXExportCertStoreEx

CRYPT32.dll

HttpQueryInfoA

InternetCrackUrlA

HttpOpenRequestA

HttpSendRequestA

HttpSendRequestExA

HttpSendRequestExW

HttpSendRequestW

HttpAddRequestHeadersA

GetUrlCacheEntryInfoW

HttpAddRequestHeadersW

WININET.dll

OLEAUT32.dll

NETAPI32.dll

050

cGlobal\XXX

kernel32.dll

"%s" %s

/c "%s"

%sx.%s

%sx

nspr4.dll

SysShadow

e.dat

Global\{ED8E20A7-4E27-5038-7189-40A494A0CFEC}

%Documents and Settings%\%current user%\Application Data

{7BF5928C-FC0C-C643-7189-40A494A0CFEC}

setup.exe_1668:

u.fe}qfd}pf

.text

`.rdata

@.data

.rsrc

USER32.dll

OLEAUT32.dll

SHELL32.dll

ole32.dll

MSVCRT.dll

_acmdln

KERNEL32.dll

@shell32.dll

7z.sfx

7z.sfx.exe

Enter password

&Enter password:

&Show password

5Update operations are not supported for this archive.

File is not supported archive.$CRC failed in '{0}'. File is broken.#Data error in '{0}'. File is broken)Unsupported compression method for '{0}'.3CRC failed in encrypted file '{0}'. Wrong password?3Data error in encrypted file '{0}'. Wrong password?'Specify a location for extracted files.

"Can not open file '{0}' as archive5Can not open encrypted archive '{0}'. Wrong password?8The system cannot allocate the required amount of memory

Unsupported archive type

setup.exe_1668_rwx_009D0000_00026000:

.text

`.data

.reloc

gdiplus.dll

GdiplusShutdown

ole32.dll

gdi32.dll

hXXp://VVV.google.com/webhp

userenv.dll

del "%s"

if exist "%s" goto d

del /F "%s"

Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; SV1)

HTTP/1.1

urlmon.dll

cabinet.dll

PR_OpenTCPSocket

hXXp://

hXXps://

HTTP/1.

â€¦!&7$?

= -9>/

)9()*3-:

0-'40'7!7,

>#):>)9/9

747:29;-

6;9843';22,

xjo5\xt{q{}w .fhhd

F{qbfqawAQv}kwhucp[Ootfpci{.Lp{fZFRDm}R[S

SSSh$

GetProcessHeap

KERNEL32.dll

MsgWaitForMultipleObjects

MapVirtualKeyW

SetKeyboardState

ExitWindowsEx

GetKeyboardState

OpenWindowStationW

GetProcessWindowStation

CreateWindowStationW

CloseWindowStation

SetProcessWindowStation

USER32.dll

RegOpenKeyExW

RegEnumKeyExW

RegCloseKey

RegCreateKeyExW

ADVAPI32.dll

UrlUnescapeA

SHDeleteKeyW

PathIsURLW

SHLWAPI.dll

ShellExecuteW

SHELL32.dll

Secur32.dll

SetViewportOrgEx

GDI32.dll

WS2_32.dll

PFXImportCertStore

CertDeleteCertificateFromStore

CertOpenSystemStoreW

CertCloseStore

CertEnumCertificatesInStore

CertDuplicateCertificateContext

PFXExportCertStoreEx

CRYPT32.dll

HttpQueryInfoA

InternetCrackUrlA

HttpOpenRequestA

HttpSendRequestA

HttpSendRequestExA

HttpSendRequestExW

HttpSendRequestW

HttpAddRequestHeadersA

GetUrlCacheEntryInfoW

HttpAddRequestHeadersW

WININET.dll

OLEAUT32.dll

NETAPI32.dll

050

cGlobal\XXX

kernel32.dll

"%s" %s

/c "%s"

%sx.%s

%sx

nspr4.dll

SysShadow

e.dat

Global\{ED8E20A7-4E27-5038-7189-40A494A0CFEC}

%Documents and Settings%\%current user%\Application Data

{7BF5928C-FC0C-C643-7189-40A494A0CFEC}

Explorer.EXE_1684_rwx_00ED0000_00026000:

.text

`.data

.reloc

gdiplus.dll

GdiplusShutdown

ole32.dll

gdi32.dll

hXXp://VVV.google.com/webhp

userenv.dll

del "%s"

if exist "%s" goto d

del /F "%s"

Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; SV1)

HTTP/1.1

urlmon.dll

cabinet.dll

PR_OpenTCPSocket

hXXp://

hXXps://

HTTP/1.

â€¦!&7$?

= -9>/

)9()*3-:

0-'40'7!7,

>#):>)9/9

747:29;-

6;9843';22,

xjo5\xt{q{}w .fhhd

F{qbfqawAQv}kwhucp[Ootfpci{.Lp{fZFRDm}R[S

SSSh$

GetProcessHeap

KERNEL32.dll

MsgWaitForMultipleObjects

MapVirtualKeyW

SetKeyboardState

ExitWindowsEx

GetKeyboardState

OpenWindowStationW

GetProcessWindowStation

CreateWindowStationW

CloseWindowStation

SetProcessWindowStation

USER32.dll

RegOpenKeyExW

RegEnumKeyExW

RegCloseKey

RegCreateKeyExW

ADVAPI32.dll

UrlUnescapeA

SHDeleteKeyW

PathIsURLW

SHLWAPI.dll

ShellExecuteW

SHELL32.dll

Secur32.dll

SetViewportOrgEx

GDI32.dll

WS2_32.dll

PFXImportCertStore

CertDeleteCertificateFromStore

CertOpenSystemStoreW

CertCloseStore

CertEnumCertificatesInStore

CertDuplicateCertificateContext

PFXExportCertStoreEx

CRYPT32.dll

HttpQueryInfoA

InternetCrackUrlA

HttpOpenRequestA

HttpSendRequestA

HttpSendRequestExA

HttpSendRequestExW

HttpSendRequestW

HttpAddRequestHeadersA

GetUrlCacheEntryInfoW

HttpAddRequestHeadersW

WININET.dll

OLEAUT32.dll

NETAPI32.dll

050

cGlobal\XXX

kernel32.dll

"%s" %s

/c "%s"

%sx.%s

%sx

nspr4.dll

SysShadow

e.dat

%Documents and Settings%\%current user%\Application Data\Erkue\gyhea.ita

%Documents and Settings%\%current user%\Application Data\Erkue

gyhea.ita

Global\{ED8E20A7-4E27-5038-7189-40A494A0CFEC}

%Documents and Settings%\%current user%\Application Data

{7BF5928C-FC0C-C643-7189-40A494A0CFEC}

Summary

Dynamic Analysis

Removals

Static Analysis

Network Activity

Map

Strings from Dumps