oski | 5b05beb197cf3fee0b18e3a5b3c12dca915553d40f7cbcffe5f32b9eda96f419

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
22-12-2023 10:20

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

8468472ca107f2a4e267438baeaf38b4.ps1
Size

421KB
MD5

8468472ca107f2a4e267438baeaf38b4
SHA1

ef25dc88a34dbae0ee632261686082180422a01c
SHA256

5b05beb197cf3fee0b18e3a5b3c12dca915553d40f7cbcffe5f32b9eda96f419
SHA512

2090900bc8c53b2269d0c738abb8c162e59fee4b3e2eeb6ace516c93bb09681ef949d8f8c230546dcb08ad890ab7704f28909bac3817d8f7807109019efadd4b
SSDEEP

12288:+Zjw0RJ9u5ILYDxD3fxYehza/tw64kL68:q3v

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

/103.114.107.28/l1212/

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 1744 set thread context of 2096	1744	powershell.exe	29

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2604	2096	WerFault.exe	29

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1744	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1744	powershell.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1744 wrote to memory of 2096	1744	powershell.exe	29
PID 1744 wrote to memory of 2096	1744	powershell.exe	29
PID 1744 wrote to memory of 2096	1744	powershell.exe	29
PID 1744 wrote to memory of 2096	1744	powershell.exe	29
PID 1744 wrote to memory of 2096	1744	powershell.exe	29
PID 1744 wrote to memory of 2096	1744	powershell.exe	29
PID 1744 wrote to memory of 2096	1744	powershell.exe	29
PID 1744 wrote to memory of 2096	1744	powershell.exe	29
PID 1744 wrote to memory of 2096	1744	powershell.exe	29
PID 1744 wrote to memory of 2096	1744	powershell.exe	29
PID 2096 wrote to memory of 2604	2096	MSBuild.exe	30
PID 2096 wrote to memory of 2604	2096	MSBuild.exe	30
PID 2096 wrote to memory of 2604	2096	MSBuild.exe	30
PID 2096 wrote to memory of 2604	2096	MSBuild.exe	30

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\8468472ca107f2a4e267438baeaf38b4.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1744
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
  "{path}"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2096
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2096 -s 500
    3⤵
    - Program crash
    PID:2604

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1744-11-0x0000000002A60000-0x0000000002A6A000-memory.dmp

Filesize
40KB

Download
memory/1744-6-0x000007FEF5820000-0x000007FEF61BD000-memory.dmp

Filesize
9.6MB

Download
memory/1744-7-0x0000000002D50000-0x0000000002DD0000-memory.dmp

Filesize
512KB

Download
memory/1744-8-0x000007FEF5820000-0x000007FEF61BD000-memory.dmp

Filesize
9.6MB

Download
memory/1744-5-0x00000000026E0000-0x00000000026E8000-memory.dmp

Filesize
32KB

Download
memory/1744-9-0x0000000002D50000-0x0000000002DD0000-memory.dmp

Filesize
512KB

Download
memory/1744-10-0x0000000002D50000-0x0000000002DD0000-memory.dmp

Filesize
512KB

Download
memory/1744-26-0x000007FEF5820000-0x000007FEF61BD000-memory.dmp

Filesize
9.6MB

Download
memory/1744-4-0x000000001B820000-0x000000001BB02000-memory.dmp

Filesize
2.9MB

Download
memory/2096-27-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2096-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2096-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2096-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2096-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2096-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2096-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2096-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2096-25-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2096-29-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download