Trojan-Spy.Win32.Zbot.tsew (Kaspersky), Gen:Variant.Graftor.150077 (AdAware), Trojan-PSW.Win32.Zbot.6.FD, Sinowal.YR, GenericInjector.YR, BackdoorCaphaw_QKKBAL.YR, TrojanPSWZbot.YR (Lavasoft MAS)Behaviour: Trojan-Spy, 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: 9808c38a345ad351ab79e95e9dca58fc
SHA1: ac002d3fed2cb9fe66cb91c5981f333b6e3aee26
SHA256: dfab1f09e0e618c2074dbc27cd990e02299129323e07c302e9e0903641395769
SSDeep: 6144:/KvyCVWEqRFfA4ZKdaNYRRjAWVFCP 0bVE0J:/KvEffA4wYgvVFCbuI
Size: 238288 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: 2014-08-04 17:37:05
Analyzed on: WindowsXP SP3 32-bit
Summary: Trojan-Spy. Spy program intended for stealing user's confidential data.
Dynamic Analysis
Payload
No specific payload has been found.
Process activity
The Trojan creates the following process(es):
epnug.exe:4076
epnug.exe:3988
%original file name%.exe:3692
%original file name%.exe:4032
The Trojan injects its code into the following process(es):
Explorer.EXE:1948
Mutexes
The following mutexes were created/opened:No objects were found.
File activity
The process %original file name%.exe:4032 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\Application Data\Vesyy\epnug.exe (238 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\tmpc9aec436.bat (177 bytes)
Registry activity
The process epnug.exe:4076 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "AA 81 61 C8 7F C5 28 70 B0 6B DA 8E E6 2C D9 2B"
The process epnug.exe:3988 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "9E 6F 84 4C 14 87 04 EA 95 15 E6 55 AE 2C 6A EE"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
The process %original file name%.exe:3692 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "77 74 0B D5 9A 70 5A 5F 7C FC 47 5D 46 F0 3E A6"
The process %original file name%.exe:4032 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "BD 18 23 4E C5 19 23 0C 2D 4D C6 86 D1 69 CA 6A"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
Dropped PE files
MD5 | File path |
---|---|
f753a9a8f7e25003d1a89084e52a3d2d | c:\Documents and Settings\"%CurrentUserName%"\Application Data\Vesyy\epnug.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
HttpSendRequestExW
HttpSendRequestExA
InternetSetFilePointer
InternetReadFileExA
HttpSendRequestA
HttpOpenRequestW
HttpSendRequestW
HttpOpenRequestA
InternetQueryDataAvailable
InternetCloseHandle
HttpQueryInfoA
InternetReadFile
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):
epnug.exe:4076
epnug.exe:3988
%original file name%.exe:3692
%original file name%.exe:4032 - Delete the original Trojan file.
- Delete or disinfect the following files created/modified by the Trojan:
%Documents and Settings%\%current user%\Application Data\Vesyy\epnug.exe (238 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\tmpc9aec436.bat (177 bytes) - Reboot the computer.
Static Analysis
VersionInfo
Company Name:
Product Name:
Product Version:
Legal Copyright:
Legal Trademarks:
Original Filename:
Internal Name:
File Version:
File Description:
Comments:
Language: Serbian (Latin, Serbia and Montenegro (Former))
Company Name: Product Name: Product Version: Legal Copyright: Legal Trademarks: Original Filename: Internal Name: File Version: File Description: Comments: Language: Serbian (Latin, Serbia and Montenegro (Former))
PE Sections
Name | Virtual Address | Virtual Size | Raw Size | Entropy | Section MD5 |
---|---|---|---|---|---|
.text | 4096 | 65629 | 66048 | 4.60924 | 28630549f1fe4de6b160873e91cef380 |
.rdata | 73728 | 12740 | 12800 | 3.81207 | 00906163848f6b99e98120f40aeacc7b |
.data | 90112 | 175788 | 16896 | 4.83494 | f35a48de2440be3c46944fa8ad0cf53a |
.rsrc | 266240 | 140160 | 140288 | 5.52445 | 2945e55105fd0bf5763cb428b3374a71 |
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
Explorer.EXE_1948_rwx_01100000_0003B000:
.text
.text
`.data
`.data
.reloc
.reloc
%s%s%s
%s%s%s
HTTP/1.1
HTTP/1.1
HTTP/1.0
HTTP/1.0
hXXp://
hXXp://
hXXps://
hXXps://
HTTP/1.
HTTP/1.
gdiplus.dll
gdiplus.dll
GdiplusShutdown
GdiplusShutdown
ole32.dll
ole32.dll
gdi32.dll
gdi32.dll
hXXp://VVV.google.com/webhp
hXXp://VVV.google.com/webhp
PR_OpenTCPSocket
PR_OpenTCPSocket
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
%s, u %s %u u:u:u GMT
%s, u %s %u u:u:u GMT
; charset=%s
; charset=%s
HTTP/1.1 %u %s
HTTP/1.1 %u %s
Date: %s
Date: %s
Content-Length: %u
Content-Length: %u
Expires: %s
Expires: %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";
update.exe
update.exe
config.bin
config.bin
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
='?8,6,&
='?8,6,&
&
&
*;>",*' 04
*;>",*' 04
%9%'62 1
%9%'62 1
0-'40'7!7
0-'40'7!7
1$34/**8
1$34/**8
!'8>#-"
!'8>#-"
38.2-0&5
38.2-0&5
0:.vmk
0:.vmk
$/9%:'1"
$/9%:'1"
^#?07&'22
^#?07&'22
_getFirefoxCookie
_getFirefoxCookie
CreatePipe
CreatePipe
GetProcessHeap
GetProcessHeap
KERNEL32.dll
KERNEL32.dll
OpenWindowStationW
OpenWindowStationW
GetProcessWindowStation
GetProcessWindowStation
CreateWindowStationW
CreateWindowStationW
CloseWindowStation
CloseWindowStation
SetProcessWindowStation
SetProcessWindowStation
GetKeyboardLayoutList
GetKeyboardLayoutList
ExitWindowsEx
ExitWindowsEx
GetKeyboardState
GetKeyboardState
MsgWaitForMultipleObjects
MsgWaitForMultipleObjects
SetKeyboardState
SetKeyboardState
MapVirtualKeyW
MapVirtualKeyW
USER32.dll
USER32.dll
RegCreateKeyExW
RegCreateKeyExW
RegOpenKeyExW
RegOpenKeyExW
RegCloseKey
RegCloseKey
RegEnumKeyExW
RegEnumKeyExW
RegCreateKeyW
RegCreateKeyW
RegQueryInfoKeyW
RegQueryInfoKeyW
RegEnumKeyW
RegEnumKeyW
ADVAPI32.dll
ADVAPI32.dll
UrlUnescapeA
UrlUnescapeA
SHDeleteKeyW
SHDeleteKeyW
PathIsURLW
PathIsURLW
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
HttpOpenRequestA
HttpOpenRequestA
HttpOpenRequestW
HttpOpenRequestW
HttpEndRequestA
HttpEndRequestA
HttpSendRequestA
HttpSendRequestA
HttpEndRequestW
HttpEndRequestW
InternetCrackUrlA
InternetCrackUrlA
HttpAddRequestHeadersW
HttpAddRequestHeadersW
HttpAddRequestHeadersA
HttpAddRequestHeadersA
GetUrlCacheEntryInfoW
GetUrlCacheEntryInfoW
WININET.dll
WININET.dll
OLEAUT32.dll
OLEAUT32.dll
NETAPI32.dll
NETAPI32.dll
VERSION.dll
VERSION.dll
WINMM.dll
WINMM.dll
PSSSSSSh
PSSSSSSh
SSSh4
SSSh4
42>204:4
42>204:4
nspr4.dll
nspr4.dll
chrome.dll
chrome.dll
kernel32.dll
kernel32.dll
\StringFileInfo\xx\%s
\StringFileInfo\xx\%s
ntdll.dll
ntdll.dll
"%s" %s
"%s" %s
/c "%s"
/c "%s"
%sx.%s
%sx.%s
%sx
%sx
SELECT * FROM %s
SELECT * FROM %s
sXXXX
sXXXX
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
Chrome
Chrome
Firefox
Firefox
SysShadow
SysShadow
Global\XXX
Global\XXX
%Documents and Settings%\%current user%\Application Data
%Documents and Settings%\%current user%\Application Data
{5138E364-ADE1-1415-491B-65F1BD03CBFB}
{5138E364-ADE1-1415-491B-65F1BD03CBFB}
%Documents and Settings%\%current user%\Application Data\Ikxyte\qufu.xua
%Documents and Settings%\%current user%\Application Data\Ikxyte\qufu.xua
%Documents and Settings%\%current user%\Application Data\Ikxyte
%Documents and Settings%\%current user%\Application Data\Ikxyte
qufu.xua
qufu.xua
%Documents and Settings%\%current user%\Application Data\Huyteq\wyer.lio
%Documents and Settings%\%current user%\Application Data\Huyteq\wyer.lio
%Documents and Settings%\%current user%\Application Data\Huyteq
%Documents and Settings%\%current user%\Application Data\Huyteq
wyer.lio
wyer.lio
Global\{C7435141-1FC4-826E-491B-65F1BD03CBFB}
Global\{C7435141-1FC4-826E-491B-65F1BD03CBFB}