oski | b45cf106e1fefb392966c49e729d1dbe39599940e2da2ede23b19de99086ad08

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
21-03-2024 04:53

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General

Target

dabd06a518470e0258264304bd457d83.ps1
Size

421KB
MD5

dabd06a518470e0258264304bd457d83
SHA1

5ce3283b9d18c2dcc98ed9dcb1e11ded00e01090
SHA256

b45cf106e1fefb392966c49e729d1dbe39599940e2da2ede23b19de99086ad08
SHA512

edc7c5d63b1b4b1b77dab32f4c95bcb499e13cc4f5893c74a1cbd5417ea191836d1772158b6d221290ba2ee1b9a381ec9fbee8d16959cad7f84ce73c8f8b33fd
SSDEEP

12288:+Zjw0RJ9u5ILYDxD3fxYehza/tw64+L68:q3N

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

/103.114.107.28/l35/

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 1712 set thread context of 2620	1712	powershell.exe	29

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2756	2620	WerFault.exe	29

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1712	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1712	powershell.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1712 wrote to memory of 2620	1712	powershell.exe	29
PID 1712 wrote to memory of 2620	1712	powershell.exe	29
PID 1712 wrote to memory of 2620	1712	powershell.exe	29
PID 1712 wrote to memory of 2620	1712	powershell.exe	29
PID 1712 wrote to memory of 2620	1712	powershell.exe	29
PID 1712 wrote to memory of 2620	1712	powershell.exe	29
PID 1712 wrote to memory of 2620	1712	powershell.exe	29
PID 1712 wrote to memory of 2620	1712	powershell.exe	29
PID 1712 wrote to memory of 2620	1712	powershell.exe	29
PID 1712 wrote to memory of 2620	1712	powershell.exe	29
PID 2620 wrote to memory of 2756	2620	MSBuild.exe	30
PID 2620 wrote to memory of 2756	2620	MSBuild.exe	30
PID 2620 wrote to memory of 2756	2620	MSBuild.exe	30
PID 2620 wrote to memory of 2756	2620	MSBuild.exe	30

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\dabd06a518470e0258264304bd457d83.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1712
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
  "{path}"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2620
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2620 -s 496
    3⤵
    - Program crash
    PID:2756

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1712-20-0x000007FEF5910000-0x000007FEF62AD000-memory.dmp

Filesize
9.6MB

Download
memory/1712-5-0x000007FEF5910000-0x000007FEF62AD000-memory.dmp

Filesize
9.6MB

Download
memory/1712-6-0x0000000002770000-0x0000000002778000-memory.dmp

Filesize
32KB

Download
memory/1712-7-0x0000000002DD0000-0x0000000002E50000-memory.dmp

Filesize
512KB

Download
memory/1712-8-0x000007FEF5910000-0x000007FEF62AD000-memory.dmp

Filesize
9.6MB

Download
memory/1712-9-0x0000000002DD0000-0x0000000002E50000-memory.dmp

Filesize
512KB

Download
memory/1712-10-0x0000000002DD0000-0x0000000002E50000-memory.dmp

Filesize
512KB

Download
memory/1712-11-0x0000000002980000-0x000000000298A000-memory.dmp

Filesize
40KB

Download
memory/1712-4-0x000000001B6F0000-0x000000001B9D2000-memory.dmp

Filesize
2.9MB

Download
memory/2620-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2620-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2620-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2620-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2620-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2620-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2620-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2620-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2620-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2620-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download