Susp_Dropper (Kaspersky), Gen:Variant.Symmi.19861 (B) (Emsisoft), Gen:Variant.Symmi.19861 (AdAware), Trojan-PSW.Win32.Zbot.6.FD, Sinowal.YR, 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: 6166183cabfd13d68ae4b7f1ecf3b787
SHA1: 5e0238a7d8df4b4f829688674d63b36ec7675b39
SHA256: 9d1a73884a5bda6b285585557ec72e77c526285805e22493d4ba04aa11c0daad
SSDeep: 3072:khHv9sf2qlXOC2OB7fL1GTrlbIWefOWnaUM/u1CiinAUHdizpvnwFi3m4qtFFqI8:mv6XsOBVGTrld0nIArpvwA3rqPEv4vQ1
Size: 229376 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: PackerUPXCompresorGratuitowwwupxsourceforgenet, UPolyXv05_v6
Company: no certificate found
Created at: 2013-04-16 02:17:48
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 creates the following process(es):
%original file name%.exe:1004
byud.exe:768
The Trojan 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:1004 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\tmpc092841b.bat (177 bytes)
%Documents and Settings%\%current user%\Application Data\Ezliva\byud.exe (229 bytes)
Registry activity
The process %original file name%.exe:1004 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "B5 ED 2B 0C 31 28 C6 77 1C 3B 82 87 5A D4 2A E3"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
[HKCU\Software\Microsoft\Itmig]
"Evme" = "6F B0 3D 32 14 DB E2 AE 7C 79 81 64 61 E0 D6 A7"
The process byud.exe:768 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "D8 5D 88 91 B7 08 EA 77 C0 D8 99 65 7D 1D 42 07"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
Dropped PE files
MD5 | File path |
---|---|
778fc0e0bcd4af116828e325383f86b1 | c:\Documents and Settings\"%CurrentUserName%"\Application Data\Ezliva\byud.exe |
HOSTS file anomalies
No changes have been detected.
Rootkit activity
The Trojan installs the following user-mode hooks in WINMM.dll:
PlaySoundW
The Trojan installs the following user-mode hooks in WININET.dll:
HttpEndRequestW
HttpEndRequestA
HttpSendRequestExA
HttpSendRequestW
InternetReadFileExA
InternetSetFilePointer
InternetQueryDataAvailable
HttpOpenRequestW
HttpSendRequestExW
InternetReadFile
HttpQueryInfoA
HttpSendRequestA
InternetCloseHandle
HttpOpenRequestA
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 ADVAPI32.dll:
CreateProcessAsUserA
CreateProcessAsUserW
The Trojan installs the following user-mode hooks in WS2_32.dll:
WSASend
gethostbyname
send
closesocket
getaddrinfo
The Trojan installs the following user-mode hooks in kernel32.dll:
ExitProcess
GetFileAttributesExW
The Trojan installs the following user-mode hooks in ntdll.dll:
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:1004
byud.exe:768 - Delete the original Trojan file.
- Delete or disinfect the following files created/modified by the Trojan:
%Documents and Settings%\%current user%\Local Settings\Temp\tmpc092841b.bat (177 bytes)
%Documents and Settings%\%current user%\Application Data\Ezliva\byud.exe (229 bytes) - Reboot the computer.
Static Analysis
VersionInfo
No information is available.
No information is available.
PE Sections
Name | Virtual Address | Virtual Size | Raw Size | Entropy | Section MD5 |
---|---|---|---|---|---|
UPX0 | 4096 | 114688 | 0 | 0 | d41d8cd98f00b204e9800998ecf8427e |
UPX1 | 118784 | 229376 | 226816 | 5.51224 | e107b52f50ed34bd6c485adf0d18cdaf |
UPX2 | 348160 | 4096 | 512 | 1.98775 | 1a32fc4c748c866578be68a682fcb5a1 |
Dropped from:
Downloaded by:
Similar by SSDeep:
Similar by Lavasoft Polymorphic Checker:
Total found: 2
661fcda57e21d37ff2f3628481042c41
d431a6418bdfdf23b19a0f163b0be5ee
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
Explorer.EXE_1684_rwx_021E0000_00042000:
.text
.text
`.data
`.data
.reloc
.reloc
hXXp://VVV.google.com/webhp
hXXp://VVV.google.com/webhp
_getFirefoxCookie
_getFirefoxCookie
HTTP/1.1
HTTP/1.1
HTTP/1.0
HTTP/1.0
hXXp://
hXXp://
hXXps://
hXXps://
HTTP/1.
HTTP/1.
%s, u %s %u u:u:u GMT
%s, u %s %u u:u:u GMT
HTTP/1.1 200 OK
HTTP/1.1 200 OK
Date: %s
Date: %s
Content-Length: %u
Content-Length: %u
Expires: %s
Expires: %s
Content-Type: %s
Content-Type: %s
GET /favicon.ico HTTP/1.1
GET /favicon.ico HTTP/1.1
; charset=%s
; charset=%s
HTTP/1.1 %u %s
HTTP/1.1 %u %s
Content-Type: %s%s
Content-Type: %s%s
ID: %s
ID: %s
value_%s
value_%s
value_%s_%s
value_%s_%s
%s = "%s";
%s = "%s";
cit_ffcookie.module
cit_ffcookie.module
cit_video.module
cit_video.module
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://xxxxxxxx.com/xxxx/xxxx.php
hXXp://xxxxxxxx.com/xxxx/xxxx.php
gdiplus.dll
gdiplus.dll
GdiplusShutdown
GdiplusShutdown
ole32.dll
ole32.dll
gdi32.dll
gdi32.dll
PR_OpenTCPSocket
PR_OpenTCPSocket
,(1 (,#%
,(1 (,#%
,( ,8*-(
,( ,8*-(
*7=.*=-;-
*7=.*=-;-
>).500"
>).500"
!
!
)*)$,'%3
)*)$,'%3
05> 87=(.
05> 87=(.
#$%cjgf`9iarCE9>7!
#$%cjgf`9iarCE9>7!
0%u`gvphtv zmydV~
0%u`gvphtv zmydV~
update.exe
update.exe
config.bin
config.bin
%s%s%s
%s%s%s
%COMMANDSERVER%
%COMMANDSERVER%
hXXp://127.0.0.1:%u/
hXXp://127.0.0.1:%u/
X-Type: %s
X-Type: %s
facebook.com
facebook.com
Cookie: %s
Cookie: %s
Referer: %s
Referer: %s
Accept: %s
Accept: %s
Accept-Language: %s
Accept-Language: %s
Accept-Encoding: %s
Accept-Encoding: %s
SSSh\~
SSSh\~
SSSh$l
SSSh$l
SSShEl
SSShEl
GetProcessHeap
GetProcessHeap
GetWindowsDirectoryW
GetWindowsDirectoryW
CreatePipe
CreatePipe
KERNEL32.dll
KERNEL32.dll
ExitWindowsEx
ExitWindowsEx
MapVirtualKeyW
MapVirtualKeyW
MsgWaitForMultipleObjects
MsgWaitForMultipleObjects
GetKeyboardLayoutList
GetKeyboardLayoutList
GetKeyboardState
GetKeyboardState
OpenWindowStationW
OpenWindowStationW
GetProcessWindowStation
GetProcessWindowStation
CreateWindowStationW
CreateWindowStationW
CloseWindowStation
CloseWindowStation
SetProcessWindowStation
SetProcessWindowStation
SetKeyboardState
SetKeyboardState
USER32.dll
USER32.dll
RegOpenKeyExW
RegOpenKeyExW
RegEnumKeyExW
RegEnumKeyExW
RegCloseKey
RegCloseKey
RegCreateKeyW
RegCreateKeyW
RegQueryInfoKeyW
RegQueryInfoKeyW
RegCreateKeyExW
RegCreateKeyExW
RegEnumKeyW
RegEnumKeyW
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
GetUrlCacheEntryInfoW
GetUrlCacheEntryInfoW
HttpAddRequestHeadersW
HttpAddRequestHeadersW
HttpOpenRequestA
HttpOpenRequestA
HttpOpenRequestW
HttpOpenRequestW
HttpEndRequestA
HttpEndRequestA
HttpAddRequestHeadersA
HttpAddRequestHeadersA
HttpSendRequestA
HttpSendRequestA
HttpEndRequestW
HttpEndRequestW
InternetCrackUrlA
InternetCrackUrlA
InternetCrackUrlW
InternetCrackUrlW
WININET.dll
WININET.dll
OLEAUT32.dll
OLEAUT32.dll
NETAPI32.dll
NETAPI32.dll
VERSION.dll
VERSION.dll
WINMM.dll
WINMM.dll
PSSSSSSh
PSSSSSSh
~'0.EM
~'0.EM
:%: :1:7:
:%: :1:7:
7}8J8d8y8
7}8J8d8y8
2 2$2(2,202
2 2$2(2,202
nspr4.dll
nspr4.dll
sXXXX
sXXXX
Global\XXX
Global\XXX
\StringFileInfo\xx\%s
\StringFileInfo\xx\%s
ntdll.dll
ntdll.dll
kernel32.dll
kernel32.dll
"%s" %s
"%s" %s
/c "%s"
/c "%s"
%sx.%s
%sx.%s
%sx
%sx
SELECT * FROM %s
SELECT * FROM %s
chrome.dll
chrome.dll
Process: %s
Process: %s
Input: %s
Input: %s
%sd1%
%sd1%
%sd2%
%sd2%
Name: %s
Name: %s
Path: %s
Path: %s
Hash: %s
Hash: %s
Time: u.u.u
Time: u.u.u
Company: %s
Company: %s
Product: %s
Product: %s
Version: %s
Version: %s
Software\Microsoft\Windows\CurrentVersion\Uninstall
Software\Microsoft\Windows\CurrentVersion\Uninstall
%u: %s | %s | %s
%u: %s | %s | %s
SysShadow
SysShadow
X-TS-Rule-Name: %s
X-TS-Rule-Name: %s
X-TS-Rule-PatternID: %u
X-TS-Rule-PatternID: %u
X-TS-BotID: %s
X-TS-BotID: %s
X-TS-Domain: %s
X-TS-Domain: %s
X-TS-SessionID: %s
X-TS-SessionID: %s
X-TS-Header-Cookie: %S
X-TS-Header-Cookie: %S
X-TS-Header-Referer: %S
X-TS-Header-Referer: %S
X-TS-Header-AcceptEncoding: %S
X-TS-Header-AcceptEncoding: %S
X-TS-Header-AcceptLanguage: %S
X-TS-Header-AcceptLanguage: %S
X-TS-Header-UserAgent: %S
X-TS-Header-UserAgent: %S
Chrome
Chrome
Firefox
Firefox
%Documents and Settings%\%current user%\Application Data\Ertoa\ozoz.kyu
%Documents and Settings%\%current user%\Application Data\Ertoa\ozoz.kyu
%Documents and Settings%\%current user%\Application Data\Ertoa
%Documents and Settings%\%current user%\Application Data\Ertoa
ozoz.kyu
ozoz.kyu
Global\{15235476-CA38-B21B-EAE6-AF505C38532D}
Global\{15235476-CA38-B21B-EAE6-AF505C38532D}
%Documents and Settings%\%current user%\Application Data
%Documents and Settings%\%current user%\Application Data
{8358E653-781D-2460-EAE6-AF505C38532D}
{8358E653-781D-2460-EAE6-AF505C38532D}
%Documents and Settings%\%current user%\Application Data\Iwuve\heguu.adt
%Documents and Settings%\%current user%\Application Data\Iwuve\heguu.adt
%Documents and Settings%\%current user%\Application Data\Iwuve
%Documents and Settings%\%current user%\Application Data\Iwuve
heguu.adt
heguu.adt