oski | e543def5c2daeca7cf754090cffd2985dd00a3e03630391d5e0155121a557af6

Analysis

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

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General

Target

588973c3e0c9775ff44f3ec831624cad.ps1
Size

493KB
MD5

588973c3e0c9775ff44f3ec831624cad
SHA1

ac392d1ffaf4eb0c38e946d4dc47e9347278d8cc
SHA256

e543def5c2daeca7cf754090cffd2985dd00a3e03630391d5e0155121a557af6
SHA512

2ada87f87a2988152b96262ac2c2d7338ed6155c1d9b1af11e709b3685f5de4fb025d22d89a0880d7fde4830dabf315d5052da5ebdf97de08e6d22c929a2a391
SSDEEP

12288:FMBZjw0RJ9u5ILYDxD3fxYehza/tw64Xj:FMn3+

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

103.99.1.60/b15o/

Signatures

Oski
Oski is an infostealer targeting browser data, crypto wallets.
infostealer oski

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2532 set thread context of 2264	2532	powershell.exe	29

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2532	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2532	powershell.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2532 wrote to memory of 2264	2532	powershell.exe	29
PID 2532 wrote to memory of 2264	2532	powershell.exe	29
PID 2532 wrote to memory of 2264	2532	powershell.exe	29
PID 2532 wrote to memory of 2264	2532	powershell.exe	29
PID 2532 wrote to memory of 2264	2532	powershell.exe	29
PID 2532 wrote to memory of 2264	2532	powershell.exe	29
PID 2532 wrote to memory of 2264	2532	powershell.exe	29
PID 2532 wrote to memory of 2264	2532	powershell.exe	29
PID 2532 wrote to memory of 2264	2532	powershell.exe	29
PID 2532 wrote to memory of 2264	2532	powershell.exe	29

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\588973c3e0c9775ff44f3ec831624cad.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2532
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  #Powershell
  2⤵
  PID:2264

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2264-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2264-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2264-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2264-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2264-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2264-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2264-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2264-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2264-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2264-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2532-6-0x000007FEF5A60000-0x000007FEF63FD000-memory.dmp

Filesize
9.6MB

Download
memory/2532-11-0x00000000029F0000-0x0000000002A02000-memory.dmp

Filesize
72KB

Download
memory/2532-4-0x000000001B5E0000-0x000000001B8C2000-memory.dmp

Filesize
2.9MB

Download
memory/2532-5-0x0000000001E60000-0x0000000001E68000-memory.dmp

Filesize
32KB

Download
memory/2532-10-0x0000000002940000-0x00000000029C0000-memory.dmp

Filesize
512KB

Download
memory/2532-9-0x0000000002940000-0x00000000029C0000-memory.dmp

Filesize
512KB

Download
memory/2532-21-0x000007FEF5A60000-0x000007FEF63FD000-memory.dmp

Filesize
9.6MB

Download
memory/2532-8-0x000007FEF5A60000-0x000007FEF63FD000-memory.dmp

Filesize
9.6MB

Download
memory/2532-7-0x0000000002940000-0x00000000029C0000-memory.dmp

Filesize
512KB

Download