Analysis
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max time kernel
131s -
max time network
139s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
13-01-2024 09:09
Static task
static1
Behavioral task
behavioral1
Sample
588973c3e0c9775ff44f3ec831624cad.ps1
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
588973c3e0c9775ff44f3ec831624cad.ps1
Resource
win10v2004-20231215-en
General
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Target
588973c3e0c9775ff44f3ec831624cad.ps1
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Size
493KB
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MD5
588973c3e0c9775ff44f3ec831624cad
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SHA1
ac392d1ffaf4eb0c38e946d4dc47e9347278d8cc
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SHA256
e543def5c2daeca7cf754090cffd2985dd00a3e03630391d5e0155121a557af6
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SHA512
2ada87f87a2988152b96262ac2c2d7338ed6155c1d9b1af11e709b3685f5de4fb025d22d89a0880d7fde4830dabf315d5052da5ebdf97de08e6d22c929a2a391
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SSDEEP
12288:FMBZjw0RJ9u5ILYDxD3fxYehza/tw64Xj:FMn3+
Malware Config
Extracted
oski
103.99.1.60/b15o/
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 2532 set thread context of 2264 2532 powershell.exe aspnet_compiler.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
powershell.exepid process 2532 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 2532 powershell.exe -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
powershell.exedescription pid process target process PID 2532 wrote to memory of 2264 2532 powershell.exe aspnet_compiler.exe PID 2532 wrote to memory of 2264 2532 powershell.exe aspnet_compiler.exe PID 2532 wrote to memory of 2264 2532 powershell.exe aspnet_compiler.exe PID 2532 wrote to memory of 2264 2532 powershell.exe aspnet_compiler.exe PID 2532 wrote to memory of 2264 2532 powershell.exe aspnet_compiler.exe PID 2532 wrote to memory of 2264 2532 powershell.exe aspnet_compiler.exe PID 2532 wrote to memory of 2264 2532 powershell.exe aspnet_compiler.exe PID 2532 wrote to memory of 2264 2532 powershell.exe aspnet_compiler.exe PID 2532 wrote to memory of 2264 2532 powershell.exe aspnet_compiler.exe PID 2532 wrote to memory of 2264 2532 powershell.exe aspnet_compiler.exe
Processes
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\588973c3e0c9775ff44f3ec831624cad.ps11⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe#Powershell2⤵
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/2264-12-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/2264-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmpFilesize
4KB
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memory/2264-16-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/2264-15-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/2264-22-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/2264-20-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/2264-18-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/2264-14-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/2264-13-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/2264-23-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/2532-6-0x000007FEF5A60000-0x000007FEF63FD000-memory.dmpFilesize
9.6MB
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memory/2532-11-0x00000000029F0000-0x0000000002A02000-memory.dmpFilesize
72KB
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memory/2532-4-0x000000001B5E0000-0x000000001B8C2000-memory.dmpFilesize
2.9MB
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memory/2532-5-0x0000000001E60000-0x0000000001E68000-memory.dmpFilesize
32KB
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memory/2532-10-0x0000000002940000-0x00000000029C0000-memory.dmpFilesize
512KB
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memory/2532-9-0x0000000002940000-0x00000000029C0000-memory.dmpFilesize
512KB
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memory/2532-21-0x000007FEF5A60000-0x000007FEF63FD000-memory.dmpFilesize
9.6MB
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memory/2532-8-0x000007FEF5A60000-0x000007FEF63FD000-memory.dmpFilesize
9.6MB
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memory/2532-7-0x0000000002940000-0x00000000029C0000-memory.dmpFilesize
512KB