Analysis
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max time kernel
122s -
max time network
136s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
22-12-2023 03:53
Static task
static1
Behavioral task
behavioral1
Sample
5e955058a451a655fe87853ab9195363.ps1
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
5e955058a451a655fe87853ab9195363.ps1
Resource
win10v2004-20231215-en
General
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Target
5e955058a451a655fe87853ab9195363.ps1
-
Size
421KB
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MD5
5e955058a451a655fe87853ab9195363
-
SHA1
2ead44f355efa2a71ee7b39e828a15bda8ce8a08
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SHA256
f491801e1e4a8b38f28d939e337436a8650f5d849060854df452eb1b56053b17
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SHA512
4999a0308fc4f446e281fe51bbd2b245bc890fbf13e514c9209d1db0d4988db4fff959da9290a38f50f4164391a5edf30e8fa3662b33b97684d82c9149524d79
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SSDEEP
12288:+Zjw0RJ9u5ILYDxD3fxYehza/tw64dL68:q3e
Malware Config
Extracted
oski
/103.114.107.28/l808/
Signatures
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Oski
Oski is an infostealer targeting browser data, crypto wallets.
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Suspicious use of SetThreadContext 1 IoCs
Processes:
powershell.exedescription pid process target process PID 2284 set thread context of 2748 2284 powershell.exe MSBuild.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process 2616 2748 WerFault.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
powershell.exepid process 2284 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 2284 powershell.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
powershell.exeMSBuild.exedescription pid process target process PID 2284 wrote to memory of 2748 2284 powershell.exe MSBuild.exe PID 2284 wrote to memory of 2748 2284 powershell.exe MSBuild.exe PID 2284 wrote to memory of 2748 2284 powershell.exe MSBuild.exe PID 2284 wrote to memory of 2748 2284 powershell.exe MSBuild.exe PID 2284 wrote to memory of 2748 2284 powershell.exe MSBuild.exe PID 2284 wrote to memory of 2748 2284 powershell.exe MSBuild.exe PID 2284 wrote to memory of 2748 2284 powershell.exe MSBuild.exe PID 2284 wrote to memory of 2748 2284 powershell.exe MSBuild.exe PID 2284 wrote to memory of 2748 2284 powershell.exe MSBuild.exe PID 2284 wrote to memory of 2748 2284 powershell.exe MSBuild.exe PID 2748 wrote to memory of 2616 2748 MSBuild.exe WerFault.exe PID 2748 wrote to memory of 2616 2748 MSBuild.exe WerFault.exe PID 2748 wrote to memory of 2616 2748 MSBuild.exe WerFault.exe PID 2748 wrote to memory of 2616 2748 MSBuild.exe WerFault.exe
Processes
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\5e955058a451a655fe87853ab9195363.ps11⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2284 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"{path}"2⤵
- Suspicious use of WriteProcessMemory
PID:2748
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2748 -s 4961⤵
- Program crash
PID:2616