Analysis
- max time kernel
111s - max time network
112s - platform
windows10_x64 - resource
win10v20201028 - submitted
18/02/2021, 14:37
General
- Target XXXXXXXXXXXXXX.exe
- Size 3.0MB
- Sample210218-exlk2m2c76
- SHA256 dd5f8efd0456d76594e52eaff220830d3d507a7774560639ec826a3d3d535aa9
Malware Config
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger Payload 2 IoCs
- Executes dropped EXE 1 IoCs
- Obfuscated with Agile.Net obfuscator 1 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
- 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.
- 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 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\XXXXXXXXXXXXXX.exe"C:\Users\Admin\AppData\Local\Temp\XXXXXXXXXXXXXX.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/2888-16-0x0000000000400000-0x000000000046A000-memory.dmp
memory/2888-28-0x0000000006490000-0x0000000006491000-memory.dmp
memory/2888-26-0x0000000006620000-0x0000000006621000-memory.dmp
memory/2888-25-0x0000000003040000-0x0000000003041000-memory.dmp
memory/2888-20-0x0000000073A20000-0x000000007410E000-memory.dmp
memory/3884-9-0x0000000006900000-0x0000000006921000-memory.dmp
memory/3884-13-0x0000000005B41000-0x0000000005B42000-memory.dmp
memory/3884-14-0x0000000007660000-0x000000000766B000-memory.dmp
memory/3884-15-0x0000000009C20000-0x0000000009C21000-memory.dmp
memory/3884-12-0x0000000005B40000-0x0000000005B41000-memory.dmp
memory/3884-11-0x0000000006B10000-0x0000000006B11000-memory.dmp
memory/3884-10-0x0000000006B50000-0x0000000006B51000-memory.dmp
memory/3884-2-0x0000000073A20000-0x000000007410E000-memory.dmp
memory/3884-7-0x00000000058B0000-0x00000000058B1000-memory.dmp
memory/3884-6-0x0000000005810000-0x0000000005811000-memory.dmp
memory/3884-5-0x0000000005D10000-0x0000000005D11000-memory.dmp
memory/3884-3-0x0000000000BB0000-0x0000000000BB1000-memory.dmp