Analysis
- max time kernel
103s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
17/08/2022, 13:19
General
- Target 854F1E97-5DBB-4A87-A566-33D9012B05E2 pdf.exe
- Size 369KB
- Sample220817-qkhbmsbac3
- SHA256 0a6d0d3564e7e3a9cd3c0f186f8f5ab59c70551af31ca1dbcbc5245062ac3cce
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot5253212199:AAG-02qWN77aEjxlYTZ-WAZ7WOi_I4kCde8/sendMessage?chat_id=2128925974
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 9 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\854F1E97-5DBB-4A87-A566-33D9012B05E2 pdf.exe"C:\Users\Admin\AppData\Local\Temp\854F1E97-5DBB-4A87-A566-33D9012B05E2 pdf.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMwA1AA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/540-149-0x00000000062F0000-0x00000000062FA000-memory.dmp
memory/540-148-0x0000000006540000-0x00000000065D2000-memory.dmp
memory/540-147-0x0000000006370000-0x0000000006532000-memory.dmp
memory/540-146-0x0000000005350000-0x00000000053EC000-memory.dmp
memory/540-145-0x0000000005860000-0x0000000005E04000-memory.dmp
memory/540-144-0x0000000000400000-0x0000000000426000-memory.dmp
memory/3276-133-0x0000000006630000-0x0000000006652000-memory.dmp
memory/3276-132-0x0000000000E90000-0x0000000000EF2000-memory.dmp
memory/4776-136-0x0000000005A20000-0x0000000006048000-memory.dmp
memory/4776-141-0x0000000006E60000-0x0000000006E7A000-memory.dmp
memory/4776-140-0x0000000007F90000-0x000000000860A000-memory.dmp
memory/4776-139-0x0000000006960000-0x000000000697E000-memory.dmp
memory/4776-138-0x0000000006130000-0x0000000006196000-memory.dmp
memory/4776-137-0x00000000060C0000-0x0000000006126000-memory.dmp
memory/4776-135-0x0000000003060000-0x0000000003096000-memory.dmp