oski | 341efe957c47c866377854003f2bc59907ea2cebb98728121cc68f3b94e2c835

Analysis

max time kernel
119s
max time network
122s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
11-01-2024 08:28

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General

Target

530792b4cfa0029b904ae5130fe1d265.ps1
Size

421KB
MD5

530792b4cfa0029b904ae5130fe1d265
SHA1

37a8e553cf5c1d21b8894ed520293ad1e35dadfb
SHA256

341efe957c47c866377854003f2bc59907ea2cebb98728121cc68f3b94e2c835
SHA512

0f7c53e9636a49de7c7dcdfe18af627e91e0d7579cb0c748f858e21bf74c31a7eaf75e2cf73770793ce5df8952977b0b81293e0ff80ede5e8a8247f1833c89f7
SSDEEP

12288:+Zjw0RJ9u5ILYDxD3fxYehza/tw64gL68:q3f

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

103.114.107.28/l15/

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 1352 set thread context of 2808	1352	powershell.exe	29

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2736	2808	WerFault.exe	29

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1352	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1352	powershell.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1352 wrote to memory of 2808	1352	powershell.exe	29
PID 1352 wrote to memory of 2808	1352	powershell.exe	29
PID 1352 wrote to memory of 2808	1352	powershell.exe	29
PID 1352 wrote to memory of 2808	1352	powershell.exe	29
PID 1352 wrote to memory of 2808	1352	powershell.exe	29
PID 1352 wrote to memory of 2808	1352	powershell.exe	29
PID 1352 wrote to memory of 2808	1352	powershell.exe	29
PID 1352 wrote to memory of 2808	1352	powershell.exe	29
PID 1352 wrote to memory of 2808	1352	powershell.exe	29
PID 1352 wrote to memory of 2808	1352	powershell.exe	29
PID 2808 wrote to memory of 2736	2808	MSBuild.exe	30
PID 2808 wrote to memory of 2736	2808	MSBuild.exe	30
PID 2808 wrote to memory of 2736	2808	MSBuild.exe	30
PID 2808 wrote to memory of 2736	2808	MSBuild.exe	30

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\530792b4cfa0029b904ae5130fe1d265.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1352
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
  "{path}"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2808
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2808 -s 112
    3⤵
    - Program crash
    PID:2736

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1352-12-0x00000000029A0000-0x00000000029AA000-memory.dmp

Filesize
40KB

Download
memory/1352-7-0x00000000029B0000-0x0000000002A30000-memory.dmp

Filesize
512KB

Download
memory/1352-4-0x000000001B100000-0x000000001B3E2000-memory.dmp

Filesize
2.9MB

Download
memory/1352-8-0x00000000029B0000-0x0000000002A30000-memory.dmp

Filesize
512KB

Download
memory/1352-9-0x00000000029B0000-0x0000000002A30000-memory.dmp

Filesize
512KB

Download
memory/1352-6-0x0000000002460000-0x0000000002468000-memory.dmp

Filesize
32KB

Download
memory/1352-10-0x000007FEF5440000-0x000007FEF5DDD000-memory.dmp

Filesize
9.6MB

Download
memory/1352-11-0x00000000029B0000-0x0000000002A30000-memory.dmp

Filesize
512KB

Download
memory/1352-23-0x000007FEF5440000-0x000007FEF5DDD000-memory.dmp

Filesize
9.6MB

Download
memory/1352-5-0x000007FEF5440000-0x000007FEF5DDD000-memory.dmp

Filesize
9.6MB

Download
memory/2808-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2808-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2808-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2808-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2808-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2808-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2808-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2808-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download