Analysis
- max time kernel
91s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
17/08/2022, 13:19
General
- Target 854F1E97-5DBB-4A87-A566-43D9012B05E2 pdf.exe
- Size 425KB
- Sample220817-qkhbmsgadm
- SHA256 1d1f8cd03f7d4657ff1e304e5bfa47a7affa34e3d7b093aae1d31f489550dd98
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot5740400272:AAHjsdwOG1VXjKqktibBmVCRuqyUcvNX-qo/sendMessage?chat_id=1467583453
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 5 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\854F1E97-5DBB-4A87-A566-43D9012B05E2 pdf.exe"C:\Users\Admin\AppData\Local\Temp\854F1E97-5DBB-4A87-A566-43D9012B05E2 pdf.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
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
-
-
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/2852-132-0x0000000000400000-0x0000000000470000-memory.dmp
memory/2852-133-0x0000000005E70000-0x0000000005E92000-memory.dmp
memory/4780-135-0x0000000003110000-0x0000000003146000-memory.dmp
memory/4780-136-0x00000000058F0000-0x0000000005F18000-memory.dmp
memory/4780-137-0x0000000005860000-0x00000000058C6000-memory.dmp
memory/4780-138-0x0000000006050000-0x00000000060B6000-memory.dmp
memory/4780-139-0x0000000006690000-0x00000000066AE000-memory.dmp
memory/4780-140-0x0000000007ED0000-0x000000000854A000-memory.dmp
memory/4780-141-0x0000000006B90000-0x0000000006BAA000-memory.dmp
memory/5032-143-0x0000000000400000-0x0000000000426000-memory.dmp
memory/5032-144-0x0000000005BA0000-0x0000000006144000-memory.dmp
memory/5032-145-0x00000000056D0000-0x000000000576C000-memory.dmp
memory/5032-146-0x0000000006760000-0x0000000006922000-memory.dmp
memory/5032-147-0x0000000006930000-0x00000000069C2000-memory.dmp
memory/5032-148-0x00000000066E0000-0x00000000066EA000-memory.dmp