Analysis
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max time kernel
118s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
22-12-2023 04:50
Static task
static1
Behavioral task
behavioral1
Sample
67b72b574b52873730e274250feef9ed.ps1
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
67b72b574b52873730e274250feef9ed.ps1
Resource
win10v2004-20231215-en
General
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Target
67b72b574b52873730e274250feef9ed.ps1
-
Size
421KB
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MD5
67b72b574b52873730e274250feef9ed
-
SHA1
ef44d31846ad814cd2d7cf20ce071bdd2d4eac41
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SHA256
c66d5ae5f1cc7e8a8c0047e51ce2f5a94de960f63ea2107aaf60bebce75fb2bb
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SHA512
67babcc41723ef944a90463ba65fc20ec1cac472f98b5c84942dfa58af004097333d762a9147fa6fd7956fec9febf60fb3e916c73ceba83e50c5a4d187f45617
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SSDEEP
12288:+Zjw0RJ9u5ILYDxD3fxYehza/tw64eL68:q3N
Malware Config
Extracted
oski
103.114.107.28/l3/
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 2404 set thread context of 2892 2404 powershell.exe MSBuild.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process 2772 2892 WerFault.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
powershell.exepid process 2404 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 2404 powershell.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
powershell.exeMSBuild.exedescription pid process target process PID 2404 wrote to memory of 2892 2404 powershell.exe MSBuild.exe PID 2404 wrote to memory of 2892 2404 powershell.exe MSBuild.exe PID 2404 wrote to memory of 2892 2404 powershell.exe MSBuild.exe PID 2404 wrote to memory of 2892 2404 powershell.exe MSBuild.exe PID 2404 wrote to memory of 2892 2404 powershell.exe MSBuild.exe PID 2404 wrote to memory of 2892 2404 powershell.exe MSBuild.exe PID 2404 wrote to memory of 2892 2404 powershell.exe MSBuild.exe PID 2404 wrote to memory of 2892 2404 powershell.exe MSBuild.exe PID 2404 wrote to memory of 2892 2404 powershell.exe MSBuild.exe PID 2404 wrote to memory of 2892 2404 powershell.exe MSBuild.exe PID 2892 wrote to memory of 2772 2892 MSBuild.exe WerFault.exe PID 2892 wrote to memory of 2772 2892 MSBuild.exe WerFault.exe PID 2892 wrote to memory of 2772 2892 MSBuild.exe WerFault.exe PID 2892 wrote to memory of 2772 2892 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\67b72b574b52873730e274250feef9ed.ps11⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2404 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"{path}"2⤵
- Suspicious use of WriteProcessMemory
PID:2892
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2892 -s 1121⤵
- Program crash
PID:2772