Trojan.Win32.Bublik.aksh (Kaspersky), Trojan.Generic.KDZ.12607 (B) (Emsisoft), Trojan.Generic.KDZ.12607 (AdAware), Trojan-PSW.Win32.Zbot.4.FD, GenericInjector.YR (Lavasoft MAS)Behaviour: Trojan-PSW, Trojan
The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.
Summary
MD5: f81175ed621b7c44ed51e15e5664b966
SHA1: 73c68ba4b50f4d1db7a97c715321446832f75a3c
SHA256: bb7b28f549dbf041a810acb3a1ef1e9dcc7cfcc9e39d82f6b075d84e1e916535
SSDeep: 6144:quNIxvF5M6XEcEUCBy9q17h1VOtR5WbtGX R5vStT:qeS5M60cE3By9q17hHOt6btGuR5
Size: 334848 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: 2013-04-01 07:22:51
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:196
exza.exe:3584
The Trojan-PSW injects its code into the following process(es):
Explorer.EXE:1948
File activity
The process %original file name%.exe:196 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\tmp1c23a52e.bat (177 bytes)
%Documents and Settings%\%current user%\Application Data\Ahmiz\exza.exe (1615 bytes)
The Trojan-PSW deletes the following file(s):
%Documents and Settings%\%current user%\Application Data\Ahmiz\exza.exe (0 bytes)
Registry activity
The process %original file name%.exe:196 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" = "98 62 B7 F1 F1 F5 C1 A1 C3 BE 65 23 0B 6D 65 87"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
"Local AppData" = "%Documents and Settings%\%current user%\Local Settings\Application Data"
The process exza.exe:3584 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" = "81 E6 A7 34 98 0A F5 A4 4D 3F E5 CA 96 19 99 BD"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
"Local AppData" = "%Documents and Settings%\%current user%\Local Settings\Application Data"
[HKCU\Software\Microsoft\Woga]
"2c7id9cf" = "38 18 AB EE 7A 16 B8 EE A6 6C B6 6D"
Dropped PE files
MD5 | File path |
---|---|
d61558241ce56832a1ed6fddb5728a31 | c:\Documents and Settings\"%CurrentUserName%"\Application Data\Ahmiz\exza.exe |
HOSTS file anomalies
No changes have been detected.
Rootkit activity
The Trojan-PSW installs the following user-mode hooks in WININET.dll:
HttpSendRequestExW
HttpSendRequestExA
InternetWriteFile
InternetReadFileExA
InternetReadFileExW
HttpSendRequestA
HttpSendRequestW
InternetQueryDataAvailable
HttpQueryInfoW
InternetCloseHandle
HttpQueryInfoA
InternetReadFile
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:
GetClipboardData
TranslateMessage
The Trojan-PSW installs the following user-mode hooks in Secur32.dll:
UnsealMessage
SealMessage
DeleteSecurityContext
The Trojan-PSW installs the following user-mode hooks in WS2_32.dll:
WSAGetOverlappedResult
WSASend
recv
gethostbyname
WSARecv
send
closesocket
freeaddrinfo
getaddrinfo
GetAddrInfoW
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:196
exza.exe:3584 - Delete the original Trojan-PSW file.
- Delete or disinfect the following files created/modified by the Trojan-PSW:
%Documents and Settings%\%current user%\Local Settings\Temp\tmp1c23a52e.bat (177 bytes)
%Documents and Settings%\%current user%\Application Data\Ahmiz\exza.exe (1615 bytes) - Reboot the computer.
Static Analysis
VersionInfo
Company Name: ?????????? ??????????
Product Name:
Product Version:
Legal Copyright:
Legal Trademarks:
Original Filename:
Internal Name: OOBEBALN.EXE
File Version: 5.1.2600.5512 (xpsp.080413-2111)
File Description: ??????????? Windows OOBE
Comments:
Language: Language Neutral
Company Name: ?????????? ??????????Product Name: Product Version: Legal Copyright: Legal Trademarks: Original Filename: Internal Name: OOBEBALN.EXEFile Version: 5.1.2600.5512 (xpsp.080413-2111)File Description: ??????????? Windows OOBEComments: Language: Language Neutral
PE Sections
Name | Virtual Address | Virtual Size | Raw Size | Entropy | Section MD5 |
---|---|---|---|---|---|
.text | 4096 | 304054 | 304128 | 5.27319 | 934a34bee9a32c5e5e466c58acf8fee6 |
.data | 311296 | 164 | 512 | 0.69449 | 0eda059bcbcc075ce7c0d77fba4dc166 |
.rdata3 | 315392 | 1000 | 1024 | 0 | 0f343b0931126a20f133d67c2b018a3b |
.rdata2 | 319488 | 1000 | 1024 | 0 | 0f343b0931126a20f133d67c2b018a3b |
.rsrc | 323584 | 27064 | 27136 | 3.80344 | f6d0c56038e861286cccf22f48088a28 |
Dropped from:
Downloaded by:
Similar by SSDeep:
Similar by Lavasoft Polymorphic Checker:
Total found: 2
175792878c8b5c77077143dcf61a95c4
64809150da203938a2884fc87efc728f
Network Activity
URLs
IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)
Traffic
Map
Strings from Dumps
Explorer.EXE_1948_rwx_023F0000_00047000:
.text
.text
`.data
`.data
.reloc
.reloc
Invalid parameter passed to C runtime function.
Invalid parameter passed to C runtime function.
gdiplus.dll
gdiplus.dll
GdiplusShutdown
GdiplusShutdown
REPORT
REPORT
0123456789
0123456789
5$5,545<5
5$5,545<5
HTTP/1.1
HTTP/1.1
RegDeleteKeyExW
RegDeleteKeyExW
userenv.dll
userenv.dll
del "%s"
del "%s"
if exist "%s" goto d
if exist "%s" goto d
del /F "%s"
del /F "%s"
http://www.google.com/
http://www.google.com/
http://www.bing.com/
http://www.bing.com/
Gjhseov.Icm`l`dl
Gjhseov.Icm`l`dl
$*((8-,7>
$*((8-,7>
-&0,3.8
-&0,3.8
*!7 4)?,
*!7 4)?,
;=<43;'""
;=<43;'""
~{283)Ryr%2, Ypu452?@kl'#.Nef1&8t_X
~{283)Ryr%2, Ypu452?@kl'#.Nef1&8t_X
pufjwdx.jvh
pufjwdx.jvh
"7&8"8=' "
"7&8"8=' "
m9.td
m9.td
t.Ht$HHt
t.Ht$HHt
ntdll.dll
ntdll.dll
KERNEL32.dll
KERNEL32.dll
ExitWindowsEx
ExitWindowsEx
MsgWaitForMultipleObjects
MsgWaitForMultipleObjects
GetKeyboardState
GetKeyboardState
USER32.dll
USER32.dll
RegCreateKeyExW
RegCreateKeyExW
RegCloseKey
RegCloseKey
RegQueryInfoKeyW
RegQueryInfoKeyW
RegDeleteKeyW
RegDeleteKeyW
RegOpenKeyExW
RegOpenKeyExW
RegEnumKeyExW
RegEnumKeyExW
CryptGetKeyParam
CryptGetKeyParam
CryptImportKey
CryptImportKey
CryptDestroyKey
CryptDestroyKey
ADVAPI32.dll
ADVAPI32.dll
PathIsURLW
PathIsURLW
UrlUnescapeA
UrlUnescapeA
SHLWAPI.dll
SHLWAPI.dll
ShellExecuteW
ShellExecuteW
SHELL32.dll
SHELL32.dll
Secur32.dll
Secur32.dll
ole32.dll
ole32.dll
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
InternetCrackUrlA
InternetCrackUrlA
HttpOpenRequestA
HttpOpenRequestA
HttpEndRequestA
HttpEndRequestA
HttpAddRequestHeadersA
HttpAddRequestHeadersA
WININET.dll
WININET.dll
OLEAUT32.dll
OLEAUT32.dll
NETAPI32.dll
NETAPI32.dll
IPHLPAPI.DLL
IPHLPAPI.DLL
VERSION.dll
VERSION.dll
msvcrt.dll
msvcrt.dll
zcÁ
zcÁ
00o0x0
00o0x0
0 0,000<0@0
0 0,000<0@0
kernel32.dll
kernel32.dll
SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList\%s
SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList\%s
shell32.dll
shell32.dll
\StringFileInfo\xx\%s
\StringFileInfo\xx\%s
Wadvapi32.dll
Wadvapi32.dll
"%s" %s
"%s" %s
/c "%s"
/c "%s"
%sx.%s
%sx.%s
%sx
%sx
urlmon.dll
urlmon.dll
cabinet.dll
cabinet.dll
%Documents and Settings%\%current user%\Application Data
%Documents and Settings%\%current user%\Application Data
%Documents and Settings%\%current user%\Local Settings\Application Data
%Documents and Settings%\%current user%\Local Settings\Application Data
Global\{01E22063-0823-4088-6532-C4CE7D78E7DC}
Global\{01E22063-0823-4088-6532-C4CE7D78E7DC}