Trojan.Win32.Generic!BT (VIPRE), GenericInjector.YR, BackdoorCaphaw_QKKBAL.YR (Lavasoft MAS)Behaviour: Trojan, Backdoor
The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.
Summary
MD5: 9f61a9b532ec5d517f8ec29d1eab88fb
SHA1: 36a6311230dc4745e2c724a50a2880c9b6e4e8b1
SHA256: e60baf782cbdb2872d877b49ea2e0936b7a0173481a5e2489901fb4a544ad058
SSDeep: 6144:Ga Cc25XMZUqcbePWTXgmodOUzNdVyrXXy6w8RuYvP9:GaW0DwWkmow2Ndsny3Yu09
Size: 302440 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: Armadillov171, MicrosoftVisualC, MicrosoftVisualCv50v60MFC, MicrosoftVisualC50, UPolyXv05_v6
Company: no certificate found
Created at: 2014-02-28 18:17:11
Analyzed on: WindowsXP SP3 32-bit
Summary: Backdoor. Malware that enables a remote control of victim's machine.
Dynamic Analysis
Payload
No specific payload has been found.
Process activity
The Backdoor creates the following process(es):
inbe.exe:1588
inbe.exe:2768
%original file name%.exe:2388
%original file name%.exe:2508
The Backdoor injects its code into the following process(es):
ctfmon.exe:252
File activity
The process inbe.exe:1588 makes changes in the file system.
The Backdoor creates and/or writes to the following file(s):
C:\debug.txt (12081 bytes)
The process %original file name%.exe:2508 makes changes in the file system.
The Backdoor creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\Application Data\Bouxb\inbe.exe (302 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\tmp7d2c3fd2.bat (177 bytes)
C:\debug.txt (9523 bytes)
The process ctfmon.exe:252 makes changes in the file system.
The Backdoor creates and/or writes to the following file(s):
C:\debug.txt (5345 bytes)
Registry activity
The process inbe.exe:1588 makes changes in the system registry.
The Backdoor creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "54 9E 5F AC 1E 46 74 4F E9 F0 33 E3 3E 21 72 7E"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
The process inbe.exe:2768 makes changes in the system registry.
The Backdoor creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "86 5E 68 8A 84 78 CF E4 F9 EC 4A BD C6 A8 76 1A"
The process %original file name%.exe:2388 makes changes in the system registry.
The Backdoor creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "A8 8C 51 79 FF 83 C0 82 8D 22 0D C6 4B 2D 27 DB"
The process %original file name%.exe:2508 makes changes in the system registry.
The Backdoor creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "40 99 7B 95 CB 93 7E DC 61 04 58 AB D4 1D E5 7E"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
The process ctfmon.exe:252 makes changes in the system registry.
The Backdoor creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "D0 48 2D B2 0B 37 73 B9 02 11 79 C6 07 84 96 DF"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"AutoDetect" = "1"
[HKCU\Software\Microsoft\Ywox]
"Gaox" = "17 97 F1 EE 65 BB 21 29 1E DD 9B 98 1C 47 D8 D6"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"WarnonBadCertRecving" = "0"
"EnableSPDY3_0" = "0"
The Backdoor modifies IE settings for security zones to map all web-nodes that bypassing proxy to the Intranet Zone:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"ProxyBypass" = "1"
The Backdoor modifies IE settings for security zones to map all urls to the Intranet Zone:
"IntranetName" = "1"
The Backdoor modifies IE settings for security zones to map all local web-nodes with no dots which do not refer to any zone to the Intranet Zone:
"UNCAsIntranet" = "1"
The Backdoor deletes the following value(s) in system registry:
The Backdoor disables automatic startup of the application by deleting the following autorun value:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"internat.exe"
Network activity (URLs)
URL | IP |
---|---|
hxxp://a26.d.akamai.net/msdownload/update/v3/static/trustedr/en/authrootseq.txt | |
hxxp://a26.d.akamai.net/msdownload/update/v3/static/trustedr/en/authrootstl.cab | |
hxxp://a26.d.akamai.net/msdownload/update/v3/static/trustedr/en/B1BC968BD4F49D622AA89A81F2150152A41D829C.crt | |
hxxp://crl.globalsign.net/root.crl | |
hxxp://crl.alphassl.com/Alpha.crl | |
hxxp://www.google.com/webhp | |
hxxp://www.google.ca/webhp?gfe_rd=ctrl&ei=YGEZU9rKMaSC8Qf2tIDIDg&gws_rd=cr | |
hxxp://e6845.ce.akamaiedge.net/crls/secureca.crl | |
hxxp://e6845.ce.akamaiedge.net/crls/gtglobal.crl | |
hxxp://www3.l.google.com/GIAG2.crl |
HOSTS file anomalies
No changes have been detected.
Rootkit activity
The Backdoor installs the following user-mode hooks in WININET.dll:
HttpSendRequestExW
HttpSendRequestExA
InternetWriteFile
InternetReadFileExA
HttpSendRequestA
HttpSendRequestW
InternetQueryDataAvailable
InternetCloseHandle
HttpQueryInfoA
InternetReadFile
The Backdoor installs the following user-mode hooks in CRYPT32.dll:
PFXImportCertStore
The Backdoor installs the following user-mode hooks in USER32.dll:
GetClipboardData
TranslateMessage
The Backdoor installs the following user-mode hooks in WS2_32.dll:
WSASend
send
closesocket
The Backdoor installs the following user-mode hooks in kernel32.dll:
GetFileAttributesExW
The Backdoor 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):
inbe.exe:1588
inbe.exe:2768
%original file name%.exe:2388
%original file name%.exe:2508 - Delete the original Backdoor file.
- Delete or disinfect the following files created/modified by the Backdoor:
C:\debug.txt (12081 bytes)
%Documents and Settings%\%current user%\Application Data\Bouxb\inbe.exe (302 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\tmp7d2c3fd2.bat (177 bytes) - Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).
- Reboot the computer.