Analysis
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max time kernel
118s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
18-05-2024 21:11
General
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Target
2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe
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Size
528KB
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MD5
84c79e107bbd18a74c63814e7c539d16
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SHA1
c6c641a9f167d0a4d7f880e4886874eb090ba674
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SHA256
eb9361f95836f73003afcac339770452bb718f91d431f8a0348886b5c39437c3
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SHA512
299f8d51634e766e745e427555a70bc634a0393b48d7f6cab2b2d6068f69aa412edd44af59eb4aef26694d44f8c2543c837c3d35b5f5b68a4f678806999a8f7e
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SSDEEP
6144:eoyZmTAsfJFakxaLjcMkc0Cax1PUGp6bYA0w601+dNT9/0626ASkVOAFmplN7YR7:eoyIJsMPrPhp6bYboEdNDUp
Malware Config
Extracted
sality
http://89.119.67.154/testo5/
http://kukutrustnet777.info/home.gif
http://kukutrustnet888.info/home.gif
http://kukutrustnet987.info/home.gif
Signatures
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Modifies firewall policy service 2 TTPs 3 IoCs
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Sality
Sality is backdoor written in C++, first discovered in 2003.
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UAC bypass 3 TTPs 1 IoCs
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Windows security bypass 2 TTPs 6 IoCs
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Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 11 IoCs
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UPX dump on OEP (original entry point) 12 IoCs
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UPX packed file 11 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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Windows security modification 2 TTPs 7 IoCs
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Checks whether UAC is enabled 1 TTPs 1 IoCs
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Drops file in Windows directory 2 IoCs
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Suspicious behavior: EnumeratesProcesses 1 IoCs
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Suspicious use of AdjustPrivilegeToken 20 IoCs
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Suspicious use of SetWindowsHookEx 3 IoCs
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Suspicious use of WriteProcessMemory 4 IoCs
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System policy modification 1 TTPs 1 IoCs
Processes
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C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"1⤵
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C:\Windows\system32\taskhost.exe"taskhost.exe"1⤵
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
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C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-18_84c79e107bbd18a74c63814e7c539d16_bkransomware.exe"2⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Windows security modification
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Create or Modify System Process
1Windows Service
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
8KB
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Filesize
16.7MB
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Filesize
16.7MB
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Filesize
8KB
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Filesize
16.7MB
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Filesize
8KB
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Filesize
8KB
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Filesize
4KB
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Filesize
548KB
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Filesize
548KB
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Filesize
16.7MB
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Filesize
16.7MB
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Filesize
16.7MB
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Filesize
16.7MB
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Filesize
16.7MB
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Filesize
16.7MB
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Filesize
16.7MB
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Filesize
16.7MB
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Filesize
4KB