Analysis
- max time kernel
150s - max time network
152s - platform
windows10_x64 - resource
win10v20201028 - submitted
25/03/2021, 09:48
General
- Target 12c46e15136f351bdb64f4d62a57f90d.exe
- Size 92KB
- Sample210325-wwtpkbd2c6
- SHA256 362911dc126bfc3bf0edde07ab4dcf66e79830f1da312942b1731b6f45ac9da5
Malware Config
Signatures
- xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
- XMRig Miner Payload 5 IoCs
- Executes dropped EXE 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.
- 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 64 IoCs
- Suspicious behavior: RenamesItself 1 IoCs
- Suspicious use of AdjustPrivilegeToken 7 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\12c46e15136f351bdb64f4d62a57f90d.exe"C:\Users\Admin\AppData\Local\Temp\12c46e15136f351bdb64f4d62a57f90d.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\WinHost\12c46e15136f351bdb64f4d62a57f90d.exe"C:\Users\Admin\AppData\Roaming\WinHost\12c46e15136f351bdb64f4d62a57f90d.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\WinHost\kernel.exe"C:\Users\Admin\AppData\Roaming\WinHost\kernel.exe" -o 185.117.155.207:3333 --max-cpu-usage 703⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
-
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks.exe" /create /tn UpdateWindows /tr "C:\Users\Admin\AppData\Roaming\WinHost\12c46e15136f351bdb64f4d62a57f90d.exe" /st 09:47 /du 23:59 /sc daily /ri 1 /f2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Roaming\WinHost\12c46e15136f351bdb64f4d62a57f90d.exeC:\Users\Admin\AppData\Roaming\WinHost\12c46e15136f351bdb64f4d62a57f90d.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\WinHost\kernel.exe"C:\Users\Admin\AppData\Roaming\WinHost\kernel.exe" -o 185.117.155.207:3333 --max-cpu-usage 702⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/708-8-0x00007FFEEB650000-0x00007FFEEC03C000-memory.dmp
memory/708-11-0x00000238C1790000-0x00000238C1792000-memory.dmp
memory/884-24-0x000001E7C2830000-0x000001E7C2832000-memory.dmp
memory/884-21-0x00007FFEEB650000-0x00007FFEEC03C000-memory.dmp
memory/1288-28-0x00007FF7B5F00000-0x00007FF7B6625000-memory.dmp
memory/4052-15-0x00000165DC660000-0x00000165DC674000-memory.dmp
memory/4052-16-0x00007FF7B5F00000-0x00007FF7B6625000-memory.dmp
memory/4052-17-0x00000165DC690000-0x00000165DC6B0000-memory.dmp
memory/4052-18-0x00000165DC6B0000-0x00000165DC6D0000-memory.dmp
memory/4688-5-0x000002D9B1800000-0x000002D9B1802000-memory.dmp
memory/4688-3-0x000002D997220000-0x000002D997221000-memory.dmp
memory/4688-2-0x00007FFEEB650000-0x00007FFEEC03C000-memory.dmp