MD5: 74ddd557494f08339071df03d606bc1d
SHA1: a3d5f5df214fe81d996e2919634b0e3a242f9152
SHA256: 60dd31dac9d12c513f2b0ea81a1d70a70579f55eea49ab97a8d0d3405b5c80dc
SSDeep: 6144:g1qtgQpTZm77JXWdKhJYPDnpemtkSa5V17WoEtVkFrhsEMv7u3z6BB:qqtgCa1EiyPDnpbtkSatWoEteFrhsUDm
Size: 311296 bytes
File type: PE32
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: AirInstaller Inc.
Created at: 2013-06-16 14:22:34

Summary:

Trojan-PSW. Trojan program intended for stealing users passwords.

Payload

No specific payload has been found.

Process activity

The Trojan-PSW creates the following process(es):

74ddd557494f08339071df03d606bc1d.exe:2568
woobu.exe:2556

The Trojan-PSW injects its code into the following process(es):

ctfmon.exe:252

File activity

The process 74ddd557494f08339071df03d606bc1d.exe:2568 makes changes in a file system.
The Trojan-PSW creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temp\UNGFCFF.bat (173 bytes)
%Documents and Settings%\%current user%\Application Data\Muar\woobu.exe (1736 bytes)

The process woobu.exe:2556 makes changes in a file system.
The Trojan-PSW creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\ntuser.dat.LOG (7608 bytes)
%Documents and Settings%\%current user%\NTUSER.DAT (7492 bytes)

The process ctfmon.exe:252 makes changes in a file system.
The Trojan-PSW creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\ntuser.dat.LOG (5400 bytes)
%Documents and Settings%\%current user%\NTUSER.DAT (4484 bytes)

Registry activity

The process 74ddd557494f08339071df03d606bc1d.exe:2568 makes changes in a system registry.
The Trojan-PSW creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "99 F6 84 61 BE 34 F6 FB 2C 14 88 8C 3A 90 C3 CB"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Local AppData" = "%Documents and Settings%\%current user%\Local Settings\Application Data"

The process woobu.exe:2556 makes changes in a system registry.
The Trojan-PSW creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "B9 16 8D F0 F1 D5 F5 71 A7 43 4F 60 D4 B0 CE F4"

[HKCU\Software\Microsoft\Kuucifuf]
"2aea8c23" = "S60aQ7bhzo3rlhy64sJnDg==T"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Local AppData" = "%Documents and Settings%\%current user%\Local Settings\Application Data"

The process ctfmon.exe:252 makes changes in a system registry.
The Trojan-PSW creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "44 AA 9D C5 E5 C0 61 84 85 B9 51 42 71 1B 8E 67"

[HKCU\Identities]
"Last User ID" = "{6855BFC2-9E4A-4896-A11D-74388FBABDC2}"

[HKCU\Identities]
"Last Username" = "Main Identity"

[HKCU\Software\Microsoft\Kuucifuf]
"2f7693dh" = "73 AD 74 43"

[HKCU\Software\Microsoft\WAB\WAB4]
"OlkFolderRefresh" = "0"

[HKCU\Software\Microsoft\WAB\WAB4]
"FirstRun" = "1"

[HKCU\Identities]
"Identity Login" = "622675"

[HKCU\Software\Microsoft\Internet Account Manager]
"Server ID" = "4"

[HKCU\Identities]
"Identity Ordinal" = "2"

[HKCU\Software\Microsoft\WAB\WAB4]
"OlkContactRefresh" = "0"

The Trojan-PSW deletes the following value(s) in system registry:

[HKCU\Identities]
"Changing"

[HKCU\Identities]
"OutgoingID"

[HKCU\Identities]
"IncomingID"

The Trojan-PSW disables automatic startup of the application by deleting the following autorun value:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"internat.exe"

Network activity (URLs)

No activity has 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

Remove it with Ad-Aware

1. Click (here) to download and install Ad-Aware Free Antivirus.
2. Update the definition files.
3. Run a full scan of your computer.

Manual removal*

1. Scan a system with an anti-rootkit tool.
   
2. Terminate malicious process(es) (How to End a Process With the Task Manager):
   

   74ddd557494f08339071df03d606bc1d.exe:2568
   woobu.exe:2556
   

3. Delete the original Trojan-PSW file.
   
4. Delete or disinfect the following files created/modified by the Trojan-PSW:
   

   %Documents and Settings%\%current user%\Local Settings\Temp\UNGFCFF.bat (173 bytes)
   %Documents and Settings%\%current user%\Application Data\Muar\woobu.exe (1736 bytes)
   %Documents and Settings%\%current user%\ntuser.dat.LOG (7608 bytes)
   %Documents and Settings%\%current user%\NTUSER.DAT (7492 bytes)
   

5. Reboot the computer.
   

*Manual removal may cause unexpected system behaviour and should be performed at your own risk.