HEUR:Trojan.Win32.Generic (Kaspersky), Trojan-PSW.Win32.Zbot.6.FD, GenericInjector.YR, BackdoorCaphaw_QKKBAL.YR, TrojanPSWZbot.YR (Lavasoft MAS)Behaviour: Trojan-PSW, Trojan, Backdoor
The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.
Summary
MD5: b298e002a68b6e9a5716a223bb8cdc4e
SHA1: 1a47bc36b6721c54d0354c993a1b5b8ef9cb5a6e
SHA256: 1daf5eadc3bc07e2e926260a832200dd746d80b8414fa94abfb7e2db15a14f50
SSDeep: 3072:8DTmWHxaEPuNr95QOUC fKiYTg952BhlLgY32CV GoPPJJA1zLvqbTeftZlY7mV/:8n1UL5/UC fKiYg52Bc0ItHe1ZlYT
Size: 188928 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: MicrosoftVisualC, NETexecutable, UPolyXv05_v6
Company: Internet Installer
Created at: 2014-11-05 17:04:43
Analyzed on: WindowsXP SP3 32-bit
Summary: Trojan-PSW. Trojan program intended for stealing users passwords.
Dynamic Analysis
Payload
No specific payload has been found.
Process activity
The Trojan-PSW creates the following process(es):
%original file name%.exe:452
%original file name%.exe:828
doreo.exe:436
doreo.exe:1144
The Trojan-PSW injects its code into the following process(es):
Explorer.EXE:1684
Mutexes
The following mutexes were created/opened:No objects were found.
File activity
The process %original file name%.exe:452 makes changes in the file system.
The Trojan-PSW creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\Application Data\Microsoft\TFhWkG.exe (673 bytes)
The process %original file name%.exe:828 makes changes in the file system.
The Trojan-PSW creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\Local Settings\Temp\tmp5d0aa66c.bat (177 bytes)
%Documents and Settings%\%current user%\Application Data\Iqirov\doreo.exe (188 bytes)
Registry activity
The process %original file name%.exe:452 makes changes in the system registry.
The Trojan-PSW creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "A3 95 5B 28 B3 66 97 7C 87 6B DA 71 B4 79 4B 6D"
[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"
To automatically run itself each time Windows is booted, the Trojan-PSW adds the following link to its file to the system registry autorun key:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"oSILlzCw" = "%Documents and Settings%\%current user%\Application Data\Microsoft\TFhWkG.exe"
The process %original file name%.exe:828 makes changes in the system registry.
The Trojan-PSW creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "F3 6E 9D E4 20 94 4F 1C AF 3D 08 1E E2 B8 FB B3"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
The process doreo.exe:436 makes changes in the system registry.
The Trojan-PSW creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "85 1C 54 4B 3C 80 2A 82 0D 67 D9 85 86 40 E7 A9"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
The process doreo.exe:1144 makes changes in the system registry.
The Trojan-PSW creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "9A CF E4 38 5B A5 2A BF CD 7D 82 D4 D2 8B 0A 11"
[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"
To automatically run itself each time Windows is booted, the Trojan-PSW adds the following link to its file to the system registry autorun key:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"oSILlzCw" = "%Documents and Settings%\%current user%\Application Data\Microsoft\TFhWkG.exe"
Dropped PE files
MD5 | File path |
---|---|
dde3503ecf0a333c42f665612fab95aa | c:\Documents and Settings\"%CurrentUserName%"\Application Data\Iqirov\doreo.exe |
HOSTS file anomalies
No changes have been detected.
Rootkit activity
The Trojan-PSW installs the following user-mode hooks in WININET.dll:
HttpSendRequestExA
HttpSendRequestW
InternetReadFileExA
InternetQueryDataAvailable
HttpSendRequestExW
InternetReadFile
HttpQueryInfoA
HttpSendRequestA
InternetCloseHandle
The Trojan-PSW installs the following user-mode hooks in CRYPT32.dll:
PFXImportCertStore
The Trojan-PSW 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-PSW installs the following user-mode hooks in WS2_32.dll:
WSASend
send
closesocket
The Trojan-PSW installs the following user-mode hooks in kernel32.dll:
GetFileAttributesExW
The Trojan-PSW 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):
%original file name%.exe:452
%original file name%.exe:828
doreo.exe:436
doreo.exe:1144 - Delete the original Trojan-PSW file.
- Delete or disinfect the following files created/modified by the Trojan-PSW:
%Documents and Settings%\%current user%\Application Data\Microsoft\TFhWkG.exe (673 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\tmp5d0aa66c.bat (177 bytes)
%Documents and Settings%\%current user%\Application Data\Iqirov\doreo.exe (188 bytes) - Delete the following value(s) in the autorun key (How to Work with System Registry):
[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"oSILlzCw" = "%Documents and Settings%\%current user%\Application Data\Microsoft\TFhWkG.exe" - Reboot the computer.
Static Analysis
VersionInfo
Company Name:
Product Name: TFhWkG
Product Version: 5.9.3.40703
Legal Copyright: (c)2014 Th1BZu All Rights Reserved.
Legal Trademarks:
Original Filename: 2252.exe
Internal Name: 2252.exe
File Version: 5.9.3.40703
File Description: TFhWkG
Comments: TFhWkG
Language: English (United States)
Company Name: Product Name: TFhWkGProduct Version: 5.9.3.40703Legal Copyright: (c)2014 Th1BZu All Rights Reserved.Legal Trademarks: Original Filename: 2252.exeInternal Name: 2252.exeFile Version: 5.9.3.40703File Description: TFhWkGComments: TFhWkGLanguage: English (United States)
PE Sections
Name | Virtual Address | Virtual Size | Raw Size | Entropy | Section MD5 |
---|---|---|---|---|---|
.text | 8192 | 175944 | 176128 | 5.51308 | 106098af469b0060a316953b2bb07b83 |
.rsrc | 188416 | 11344 | 11776 | 1.91663 | 9d6986423f6bd4e9f22949fb0ccc991d |
.reloc | 204800 | 12 | 512 | 0.070639 | bb7dfee3e7203c423f50e2d0c6a6224a |
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-PSW connects to the servers at the folowing location(s):
Strings from Dumps
Explorer.EXE_1684_rwx_00ED0000_00027000:
.text
.text
`.data
`.data
.reloc
.reloc
hXXp://VVV.google.com/webhp
hXXp://VVV.google.com/webhp
PR_OpenTCPSocket
PR_OpenTCPSocket
gdiplus.dll
gdiplus.dll
GdiplusShutdown
GdiplusShutdown
ole32.dll
ole32.dll
gdi32.dll
gdi32.dll
: ;2*8.>
: ;2*8.>
3.#70!2)
3.#70!2)
x#m`a`cmddt-
x#m`a`cmddt-
6 !26!1'1
6 !26!1'1
7"52),,>
7"52),,>
;
;
71.(5;4=
71.(5;4=
(203,2$0
(203,2$0
/?./,5
/?./,5
:>(
:>(
8%/
8%/
%/>!
%/>!
HTTP/1.1
HTTP/1.1
userenv.dll
userenv.dll
del "%s"
del "%s"
if exist "%s" goto d
if exist "%s" goto d
del /F "%s"
del /F "%s"
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; SV1)
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; SV1)
urlmon.dll
urlmon.dll
cabinet.dll
cabinet.dll
hXXp://
hXXp://
hXXps://
hXXps://
HTTP/1.
HTTP/1.
SSSh,4
SSSh,4
GetProcessHeap
GetProcessHeap
KERNEL32.dll
KERNEL32.dll
SetKeyboardState
SetKeyboardState
ExitWindowsEx
ExitWindowsEx
MsgWaitForMultipleObjects
MsgWaitForMultipleObjects
MapVirtualKeyW
MapVirtualKeyW
GetKeyboardState
GetKeyboardState
OpenWindowStationW
OpenWindowStationW
GetProcessWindowStation
GetProcessWindowStation
CreateWindowStationW
CreateWindowStationW
CloseWindowStation
CloseWindowStation
SetProcessWindowStation
SetProcessWindowStation
USER32.dll
USER32.dll
RegOpenKeyExW
RegOpenKeyExW
RegEnumKeyExW
RegEnumKeyExW
RegCloseKey
RegCloseKey
RegCreateKeyExW
RegCreateKeyExW
ADVAPI32.dll
ADVAPI32.dll
PathIsURLW
PathIsURLW
UrlUnescapeA
UrlUnescapeA
SHDeleteKeyW
SHDeleteKeyW
SHLWAPI.dll
SHLWAPI.dll
ShellExecuteW
ShellExecuteW
SHELL32.dll
SHELL32.dll
Secur32.dll
Secur32.dll
SetViewportOrgEx
SetViewportOrgEx
GDI32.dll
GDI32.dll
WS2_32.dll
WS2_32.dll
PFXImportCertStore
PFXImportCertStore
CertDeleteCertificateFromStore
CertDeleteCertificateFromStore
CertOpenSystemStoreW
CertOpenSystemStoreW
CertCloseStore
CertCloseStore
CertEnumCertificatesInStore
CertEnumCertificatesInStore
CertDuplicateCertificateContext
CertDuplicateCertificateContext
PFXExportCertStoreEx
PFXExportCertStoreEx
CRYPT32.dll
CRYPT32.dll
HttpSendRequestExA
HttpSendRequestExA
HttpQueryInfoA
HttpQueryInfoA
HttpSendRequestExW
HttpSendRequestExW
HttpSendRequestW
HttpSendRequestW
HttpSendRequestA
HttpSendRequestA
InternetCrackUrlA
InternetCrackUrlA
HttpOpenRequestA
HttpOpenRequestA
HttpAddRequestHeadersA
HttpAddRequestHeadersA
GetUrlCacheEntryInfoW
GetUrlCacheEntryInfoW
HttpAddRequestHeadersW
HttpAddRequestHeadersW
WININET.dll
WININET.dll
OLEAUT32.dll
OLEAUT32.dll
NETAPI32.dll
NETAPI32.dll
6 6&6/656{6
6 6&6/656{6
cGlobal\XXX
cGlobal\XXX
nspr4.dll
nspr4.dll
nss3.dll
nss3.dll
SysShadow
SysShadow
kernel32.dll
kernel32.dll
"%s" %s
"%s" %s
/c "%s"
/c "%s"
%sx.%s
%sx.%s
%sx
%sx
%Documents and Settings%\%current user%\Application Data\Uhdia\lebua.los
%Documents and Settings%\%current user%\Application Data\Uhdia\lebua.los
%Documents and Settings%\%current user%\Application Data\Uhdia
%Documents and Settings%\%current user%\Application Data\Uhdia
lebua.los
lebua.los
Global\{9A921A31-F848-112D-E73B-B51C030974BA}
Global\{9A921A31-F848-112D-E73B-B51C030974BA}
%Documents and Settings%\%current user%\Application Data
%Documents and Settings%\%current user%\Application Data
{0CE9A814-4A6D-8756-E73B-B51C030974BA}
{0CE9A814-4A6D-8756-E73B-B51C030974BA}