oski | e543def5c2daeca7cf754090cffd2985dd00a3e03630391d5e0155121a557af6

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
13-01-2024 09:09

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

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 2176 set thread context of 4756	2176	powershell.exe	91

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3260	4756	WerFault.exe	91

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2176	powershell.exe
2176	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2176	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2176 wrote to memory of 4756	2176	powershell.exe	91
PID 2176 wrote to memory of 4756	2176	powershell.exe	91
PID 2176 wrote to memory of 4756	2176	powershell.exe	91
PID 2176 wrote to memory of 4756	2176	powershell.exe	91
PID 2176 wrote to memory of 4756	2176	powershell.exe	91
PID 2176 wrote to memory of 4756	2176	powershell.exe	91
PID 2176 wrote to memory of 4756	2176	powershell.exe	91
PID 2176 wrote to memory of 4756	2176	powershell.exe	91
PID 2176 wrote to memory of 4756	2176	powershell.exe	91

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:2176
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  #Powershell
  2⤵
  PID:4756
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4756 -s 1216
    3⤵
    - Program crash
    PID:3260

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4756 -ip 4756
1⤵
PID:3380

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nwa5urzq.fae.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2176-18-0x00007FFE26660000-0x00007FFE27121000-memory.dmp

Filesize
10.8MB

Download
memory/2176-10-0x00007FFE26660000-0x00007FFE27121000-memory.dmp

Filesize
10.8MB

Download
memory/2176-12-0x000001A8C80B0000-0x000001A8C80C0000-memory.dmp

Filesize
64KB

Download
memory/2176-11-0x000001A8C80B0000-0x000001A8C80C0000-memory.dmp

Filesize
64KB

Download
memory/2176-13-0x000001A8C8010000-0x000001A8C8022000-memory.dmp

Filesize
72KB

Download
memory/2176-9-0x000001A8C8020000-0x000001A8C8042000-memory.dmp

Filesize
136KB

Download
memory/4756-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4756-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4756-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4756-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4756-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4756-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download