Analysis
- max time kernel
59s - max time network
110s - platform
windows10_x64 - resource
win10v20201028 - submitted
25/02/2021, 10:29
General
- Target Bankdaten #f6356.pdf.exe
- Size 798KB
- Sample210225-av7aeasm8s
- SHA256 3cc9983b77cfc2de6ee140e03d44aee7d95a9e527cebf22b59c92662b466ba88
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
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Bankdaten #f6356.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Bankdaten #f6356.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Bankdaten #f6356.pdf.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/580-9-0x00000000050A0000-0x00000000050AB000-memory.dmp
memory/580-11-0x0000000008260000-0x0000000008314000-memory.dmp
memory/580-6-0x0000000004AF0000-0x0000000004AF1000-memory.dmp
memory/580-7-0x0000000004A80000-0x0000000004A81000-memory.dmp
memory/580-8-0x0000000004BB0000-0x0000000004BB1000-memory.dmp
memory/580-2-0x0000000073560000-0x0000000073C4E000-memory.dmp
memory/580-10-0x00000000081B0000-0x00000000081B1000-memory.dmp
memory/580-5-0x00000000050D0000-0x00000000050D1000-memory.dmp
memory/580-3-0x0000000000200000-0x0000000000201000-memory.dmp
memory/2968-12-0x0000000000400000-0x000000000046A000-memory.dmp
memory/2968-15-0x0000000073560000-0x0000000073C4E000-memory.dmp
memory/2968-20-0x0000000005180000-0x0000000005181000-memory.dmp
memory/2968-21-0x0000000006350000-0x0000000006351000-memory.dmp