Analysis
- max time kernel
143s - max time network
142s - platform
windows10_x64 - resource
win10v20201028 - submitted
18/03/2021, 13:06
General
- Target PO#HD512-6 5700.exe
- Size 736KB
- Sample210318-agy72ghzvx
- SHA256 acaf72ac382d4a5515aee60acfe0cd00a2f637d6eebd679b26a421aa6babcdfd
Malware Config
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger Payload 2 IoCs
- 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.
- Looks up external IP address via web service 3 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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\PO#HD512-6 5700.exe"C:\Users\Admin\AppData\Local\Temp\PO#HD512-6 5700.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rkhixddTpKNNyx" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD9CB.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\PO#HD512-6 5700.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1052-7-0x0000000007940000-0x0000000007941000-memory.dmp
memory/1052-3-0x0000000000A90000-0x0000000000A91000-memory.dmp
memory/1052-2-0x0000000073BE0000-0x00000000742CE000-memory.dmp
memory/1052-8-0x00000000079A0000-0x00000000079A1000-memory.dmp
memory/1052-9-0x000000000B350000-0x000000000B351000-memory.dmp
memory/1052-10-0x000000007E940000-0x000000007E941000-memory.dmp
memory/1052-11-0x000000000B2C0000-0x000000000B2C2000-memory.dmp
memory/1052-12-0x0000000004EE0000-0x0000000004F7D000-memory.dmp
memory/1052-13-0x00000000094F0000-0x000000000958D000-memory.dmp
memory/1052-6-0x00000000079C0000-0x00000000079C1000-memory.dmp
memory/1052-5-0x0000000007DE0000-0x0000000007DE1000-memory.dmp
memory/1380-19-0x0000000073BE0000-0x00000000742CE000-memory.dmp
memory/1380-16-0x0000000000400000-0x0000000000468000-memory.dmp
memory/1380-24-0x0000000004FB0000-0x0000000004FB1000-memory.dmp
memory/1380-25-0x0000000006130000-0x0000000006131000-memory.dmp