Susp_Dropper (Kaspersky), Gen:Variant.Kazy.288437 (B) (Emsisoft), Gen:Variant.Kazy.288402 (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: d9872a07f9990e94feab39de2fa22373
SHA1: 375a2ca5e369f46f53efd625921edda573a458f4
SHA256: 1d56c27c56154845c7931bb54fc5935f82fa51b3b3b501b43a933afa55dc9f8b
SSDeep: 6144:ZbiTBxCdEuTJComYUS/AABLYg9RtrS4KQlpW4GMQ G4kUVCAkpfJNgUuUX7Nyx3f:ZbiTBxCOUJCaTPUg9RgrQlP1Q15UV9YC
Size: 347449 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: 2013-11-08 17:42:50
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:2744
%original file name%.exe:2916
neaz.exe:2492
neaz.exe:2544
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:2916 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\Application Data\Ejizqy\neaz.exe (2452 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\IPM2A89.bat (173 bytes)
The process neaz.exe:2492 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\ntuser.dat.LOG (5848 bytes)
%Documents and Settings%\%current user%\NTUSER.DAT (6428 bytes)
Registry activity
The process %original file name%.exe:2744 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "1D DB 77 21 D4 C8 97 88 E2 B5 F7 63 D7 B3 82 E6"
The process %original file name%.exe:2916 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "53 82 83 DE 86 51 AA 0E BD B0 06 4C FA 8F 9F 13"
[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 neaz.exe:2492 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "17 21 E3 F8 33 36 96 6D A9 8D B6 9D 58 C3 B9 A3"
[HKCU\Software\Microsoft\Obxidaule]
"23959ic7" = "umtV2w9fmYTKG2mFQ7s CA==#"
[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 neaz.exe:2544 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "5D 4E 83 60 92 F2 3C CE 88 67 03 7E D5 83 17 26"
Dropped PE files
MD5 | File path |
---|---|
4aac371232ead0e1b127733a6865f363 | c:\Documents and Settings\"%CurrentUserName%"\Application Data\Ejizqy\neaz.exe |
HOSTS file anomalies
No changes have been detected.
Rootkit activity
The Trojan installs the following user-mode hooks in WININET.dll:
HttpSendRequestExW
HttpSendRequestExA
InternetWriteFile
InternetReadFileExA
InternetReadFileExW
HttpSendRequestA
HttpSendRequestW
InternetQueryDataAvailable
HttpQueryInfoW
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:
GetClipboardData
TranslateMessage
The Trojan installs the following user-mode hooks in Secur32.dll:
UnsealMessage
SealMessage
DeleteSecurityContext
The Trojan installs the following user-mode hooks in WS2_32.dll:
WSAGetOverlappedResult
WSASend
recv
gethostbyname
WSARecv
send
closesocket
freeaddrinfo
getaddrinfo
GetAddrInfoW
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):
%original file name%.exe:2744
%original file name%.exe:2916
neaz.exe:2492
neaz.exe:2544 - Delete the original Trojan file.
- Delete or disinfect the following files created/modified by the Trojan:
%Documents and Settings%\%current user%\Application Data\Ejizqy\neaz.exe (2452 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\IPM2A89.bat (173 bytes)
%Documents and Settings%\%current user%\ntuser.dat.LOG (5848 bytes)
%Documents and Settings%\%current user%\NTUSER.DAT (6428 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 |
---|---|---|---|---|---|
.text | 4096 | 25944 | 26112 | 4.07267 | 8426a1495a62c318d53ea1f0fbaa160a |
.idata | 32768 | 3532 | 3584 | 3.54497 | c40fd005544f8011a9b339cbb7c52071 |
.CRT | 36864 | 4 | 512 | 0.042395 | 9b48522a507c88a047d33270e55b537b |
.rsrc | 40960 | 14136 | 36864 | 4.84285 | f866d6cd92f982bb522009d99a2fc76e |
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_023F0000_00048000:
.text
.text
`.data
`.data
.reloc
.reloc
Invalid parameter passed to C runtime function.
Invalid parameter passed to C runtime function.
)"4(7*
)"4(7*
!*
!*
0123456789
0123456789
userenv.dll
userenv.dll
del "%s"
del "%s"
if exist "%s" goto d
if exist "%s" goto d
del /F "%s"
del /F "%s"
hXXp://VVV.google.com/
hXXp://VVV.google.com/
hXXp://VVV.bing.com/
hXXp://VVV.bing.com/
REPORT
REPORT
gdiplus.dll
gdiplus.dll
GdiplusShutdown
GdiplusShutdown
RegDeleteKeyExW
RegDeleteKeyExW
HTTP/1.1
HTTP/1.1
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
CryptGetKeyParam
CryptGetKeyParam
CryptImportKey
CryptImportKey
CryptDestroyKey
CryptDestroyKey
RegCreateKeyExW
RegCreateKeyExW
RegCloseKey
RegCloseKey
RegQueryInfoKeyW
RegQueryInfoKeyW
RegDeleteKeyW
RegDeleteKeyW
RegOpenKeyExW
RegOpenKeyExW
RegFlushKey
RegFlushKey
RegEnumKeyExW
RegEnumKeyExW
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
zcÃ
zcÃ
: :$:(:,:0:4:
: :$:(:,:0:4:
7!7%7)7-7175797
7!7%7)7-7175797
4-5}5
4-5}5
:":(:3:9:
:":(:3:9:
SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList\%s
SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList\%s
"%s" %s
"%s" %s
/c "%s"
/c "%s"
kernel32.dll
kernel32.dll
urlmon.dll
urlmon.dll
launchpadshell.exe
launchpadshell.exe
dirclt32.exe
dirclt32.exe
wtng.exe
wtng.exe
prologue.exe
prologue.exe
pcsws.exe
pcsws.exe
fdmaster.exe
fdmaster.exe
shell32.dll
shell32.dll
\StringFileInfo\xx\%s
\StringFileInfo\xx\%s
cabinet.dll
cabinet.dll
Wadvapi32.dll
Wadvapi32.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}