Analysis
- max time kernel
63s - max time network
110s - platform
windows10_x64 - resource
win10v20201028 - submitted
02/02/2021, 07:50
General
- Target Payment Advice.exe
- Size 2.2MB
- Sample210202-p7pjd33342
- SHA256 da4817d46c89f1eb5dbf1e1d21c841b796ced2c42bf5792ad3b1ebf4c83dd9be
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.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious use of SetThreadContext 1 IoCs
- 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 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe"C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FEZfczQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1F12.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe"C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1048-11-0x0000000005030000-0x0000000005033000-memory.dmp
memory/1048-12-0x0000000005E40000-0x0000000005ED7000-memory.dmp
memory/1048-7-0x0000000005040000-0x0000000005041000-memory.dmp
memory/1048-8-0x0000000004FE0000-0x0000000004FE1000-memory.dmp
memory/1048-9-0x0000000005200000-0x0000000005201000-memory.dmp
memory/1048-10-0x0000000005290000-0x0000000005291000-memory.dmp
memory/1048-2-0x0000000073BE0000-0x00000000742CE000-memory.dmp
memory/1048-6-0x00000000054A0000-0x00000000054A1000-memory.dmp
memory/1048-3-0x00000000003A0000-0x00000000003A1000-memory.dmp
memory/1048-5-0x0000000004EE0000-0x0000000004EE1000-memory.dmp
memory/1380-15-0x0000000000400000-0x0000000000468000-memory.dmp
memory/1380-18-0x0000000073BE0000-0x00000000742CE000-memory.dmp
memory/1380-23-0x0000000005A90000-0x0000000005A91000-memory.dmp
memory/1380-24-0x0000000006BB0000-0x0000000006BB1000-memory.dmp