Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - resource tags
- submitted
18/07/2022, 14:48
General
- Target rqcGyIxj2KUhU16.exe
- Size 477KB
- Sample220718-r6fklsfac7
- SHA256 b4801c03f9845d84c4bb14f1fdc8ef2aea41785d55d33c1f1cd02a345099c835
Malware Config
Extracted
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snakekeylogger
-
https://api.telegram.org/bot5200365593:AAGRpC_tWb3avAayYSeKw5B6h5VRh7b19kU/sendMessage?chat_id=1482312326
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
- 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.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\rqcGyIxj2KUhU16.exe"C:\Users\Admin\AppData\Local\Temp\rqcGyIxj2KUhU16.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\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yXgkNYugefkF" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE525.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\rqcGyIxj2KUhU16.exe"{path}"2⤵
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C:\Users\Admin\AppData\Local\Temp\rqcGyIxj2KUhU16.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
rqcGyIxj2KUhU16.exe.log
tmpE525.tmp
memory/2580-133-0x0000000005230000-0x00000000052C2000-memory.dmp
memory/2580-135-0x0000000005490000-0x00000000054E6000-memory.dmp
memory/2580-134-0x00000000051F0000-0x00000000051FA000-memory.dmp
memory/2580-130-0x0000000000740000-0x00000000007C0000-memory.dmp
memory/2580-132-0x0000000005740000-0x0000000005CE4000-memory.dmp
memory/2580-131-0x00000000050F0000-0x000000000518C000-memory.dmp
memory/3052-140-0x0000000000400000-0x0000000000426000-memory.dmp
memory/3052-142-0x0000000006510000-0x00000000066D2000-memory.dmp