oski | 181a988534aeb9dcec48736c09e7e54373f63f178474af3f973ec21f54f32095

Analysis

max time kernel
121s
max time network
124s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
21-12-2023 23:12

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

219233774e3dcd6769eb7867ad3ba169.ps1
Size

421KB
MD5

219233774e3dcd6769eb7867ad3ba169
SHA1

fe90764e5d79c331f8a8af20e6bd3da5b2674ac2
SHA256

181a988534aeb9dcec48736c09e7e54373f63f178474af3f973ec21f54f32095
SHA512

f94e1d61b52b8fc2f863bdfc2fa8bd71f9db3cfbccd4c70fec3acdba912816898c1ab4d106910cff7034dbd8e88fbef00d4c23ee187218a407a57fbb2788818c
SSDEEP

12288:+Zjw0RJ9u5ILYDxD3fxYehza/tw64EL68:q3f

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

/103.114.107.28/l3131/

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 3032 set thread context of 2712	3032	powershell.exe	29

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2720	2712	WerFault.exe	29

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3032	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3032	powershell.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3032 wrote to memory of 2712	3032	powershell.exe	29
PID 3032 wrote to memory of 2712	3032	powershell.exe	29
PID 3032 wrote to memory of 2712	3032	powershell.exe	29
PID 3032 wrote to memory of 2712	3032	powershell.exe	29
PID 3032 wrote to memory of 2712	3032	powershell.exe	29
PID 3032 wrote to memory of 2712	3032	powershell.exe	29
PID 3032 wrote to memory of 2712	3032	powershell.exe	29
PID 3032 wrote to memory of 2712	3032	powershell.exe	29
PID 3032 wrote to memory of 2712	3032	powershell.exe	29
PID 3032 wrote to memory of 2712	3032	powershell.exe	29
PID 2712 wrote to memory of 2720	2712	MSBuild.exe	30
PID 2712 wrote to memory of 2720	2712	MSBuild.exe	30
PID 2712 wrote to memory of 2720	2712	MSBuild.exe	30
PID 2712 wrote to memory of 2720	2712	MSBuild.exe	30

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\219233774e3dcd6769eb7867ad3ba169.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3032
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
  "{path}"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2712
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2712 -s 512
    3⤵
    - Program crash
    PID:2720

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2712-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2712-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2712-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2712-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2712-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2712-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2712-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2712-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2712-25-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2712-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3032-11-0x00000000029C0000-0x0000000002A40000-memory.dmp

Filesize
512KB

Download
memory/3032-21-0x000007FEF56B0000-0x000007FEF604D000-memory.dmp

Filesize
9.6MB

Download
memory/3032-10-0x00000000029C0000-0x0000000002A40000-memory.dmp

Filesize
512KB

Download
memory/3032-6-0x000007FEF56B0000-0x000007FEF604D000-memory.dmp

Filesize
9.6MB

Download
memory/3032-9-0x00000000029C0000-0x0000000002A40000-memory.dmp

Filesize
512KB

Download
memory/3032-4-0x000000001B2B0000-0x000000001B592000-memory.dmp

Filesize
2.9MB

Download
memory/3032-8-0x000007FEF56B0000-0x000007FEF604D000-memory.dmp

Filesize
9.6MB

Download
memory/3032-5-0x0000000002050000-0x0000000002058000-memory.dmp

Filesize
32KB

Download
memory/3032-7-0x00000000029C0000-0x0000000002A40000-memory.dmp

Filesize
512KB

Download
memory/3032-12-0x0000000002A40000-0x0000000002A4A000-memory.dmp

Filesize
40KB

Download