Analysis
- max time kernel
135s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
14/03/2023, 18:17
General
- Target Payment Advice Copy.exe
- Size 2.0MB
- Sample230314-ww233sha59
- SHA256 033deaaa0a55c91052dfe7abc3aaf77b5310d26437330e402a102d060ae0ace9
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot5816308075:AAFAHgyFsBJDNSX2LHn4UAAqe1sHrGMznc4/sendMessage?chat_id=5857548246
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.
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Adds Run key to start application 2 TTPs 1 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 4 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\Payment Advice Copy.exe"C:\Users\Admin\AppData\Local\Temp\Payment Advice Copy.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- 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 cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Users\Admin\AppData\Local\Temp\Payment Advice Copy.exe"C:\Users\Admin\AppData\Local\Temp\Payment Advice Copy.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
-
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
Payment Advice Copy.exe.log
__PSScriptPolicyTest_e0f1irsu.z3c.ps1
memory/4180-163-0x0000000000400000-0x0000000000426000-memory.dmp
memory/4180-172-0x00000000028A0000-0x00000000028B0000-memory.dmp
memory/4180-171-0x00000000062A0000-0x00000000062AA000-memory.dmp
memory/4180-170-0x0000000006300000-0x0000000006392000-memory.dmp
memory/4180-169-0x0000000006430000-0x00000000065F2000-memory.dmp
memory/4180-168-0x00000000028A0000-0x00000000028B0000-memory.dmp
memory/4180-167-0x0000000004EA0000-0x0000000004F3C000-memory.dmp
memory/4180-166-0x00000000055B0000-0x0000000005B54000-memory.dmp
memory/4256-139-0x0000000005C90000-0x0000000005CF6000-memory.dmp
memory/4256-150-0x0000000005700000-0x0000000005710000-memory.dmp
memory/4256-153-0x0000000006EC0000-0x0000000006EDA000-memory.dmp
memory/4256-154-0x0000000005700000-0x0000000005710000-memory.dmp
memory/4256-136-0x0000000003380000-0x00000000033B6000-memory.dmp
memory/4256-156-0x0000000005700000-0x0000000005710000-memory.dmp
memory/4256-157-0x0000000005700000-0x0000000005710000-memory.dmp
memory/4256-158-0x0000000005700000-0x0000000005710000-memory.dmp
memory/4256-151-0x00000000069A0000-0x00000000069BE000-memory.dmp
memory/4256-152-0x0000000007FE0000-0x000000000865A000-memory.dmp
memory/4256-149-0x0000000005700000-0x0000000005710000-memory.dmp
memory/4256-137-0x0000000005D40000-0x0000000006368000-memory.dmp
memory/4256-138-0x0000000005B70000-0x0000000005BD6000-memory.dmp
memory/4724-133-0x0000000000C50000-0x0000000000E50000-memory.dmp
memory/4724-155-0x00000000057F0000-0x0000000005800000-memory.dmp
memory/4724-135-0x00000000057F0000-0x0000000005800000-memory.dmp
memory/4724-134-0x0000000005B40000-0x0000000005B62000-memory.dmp