oski | 846c3ef5adab25394a7558a2d304c8a50ccef2f6f67485e868868fa481204955

General

Target

9b34346208a422b5f7ddc652713bd405.ps1
Size

656KB
MD5

9b34346208a422b5f7ddc652713bd405
SHA1

c89923e9a29957c947aac195323248c80dc7384e
SHA256

846c3ef5adab25394a7558a2d304c8a50ccef2f6f67485e868868fa481204955
SHA512

ec7f17d7977df707a2c04ad10cc7edc6d1257da807b2797b7acf8cbc2f6155d9d19af9b6fa6d62dc222377a1df27cd6616abc1799077f0ad8d45249b29089c2a
SSDEEP

12288:EZjw0RJ9u5ILYDxD3fxYehza/tw64O8TVkc5A+:g3KTmr+

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

C2

/103.114.107.28/l24/

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 4924 set thread context of 4488	4924	powershell.exe	94

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5084	4488	WerFault.exe	94

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4924	powershell.exe
4924	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4924	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4924 wrote to memory of 4488	4924	powershell.exe	94
PID 4924 wrote to memory of 4488	4924	powershell.exe	94
PID 4924 wrote to memory of 4488	4924	powershell.exe	94
PID 4924 wrote to memory of 4488	4924	powershell.exe	94
PID 4924 wrote to memory of 4488	4924	powershell.exe	94
PID 4924 wrote to memory of 4488	4924	powershell.exe	94
PID 4924 wrote to memory of 4488	4924	powershell.exe	94
PID 4924 wrote to memory of 4488	4924	powershell.exe	94
PID 4924 wrote to memory of 4488	4924	powershell.exe	94

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\9b34346208a422b5f7ddc652713bd405.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4924
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  #cmd
  2⤵
  PID:4488
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4488 -s 1104
    3⤵
    - Program crash
    PID:5084

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4488 -ip 4488
1⤵
PID:4940

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vmvhaa04.c4p.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/4488-59-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4488-65-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4488-55-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4488-61-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4488-62-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4924-51-0x000002893F480000-0x000002893F4A0000-memory.dmp

Filesize
128KB

Download
memory/4924-37-0x000002893F480000-0x000002893F4A0000-memory.dmp

Filesize
128KB

Download
memory/4924-54-0x0000028958620000-0x0000028958621000-memory.dmp

Filesize
4KB

Download
memory/4924-41-0x000002893F480000-0x000002893F4A0000-memory.dmp

Filesize
128KB

Download
memory/4924-13-0x000002893F480000-0x000002893F4A6000-memory.dmp

Filesize
152KB

Download
memory/4924-12-0x000002893F440000-0x000002893F450000-memory.dmp

Filesize
64KB

Download
memory/4924-60-0x00007FFECC6E0000-0x00007FFECD1A1000-memory.dmp

Filesize
10.8MB

Download
memory/4924-56-0x000002893F440000-0x000002893F450000-memory.dmp

Filesize
64KB

Download
memory/4924-11-0x000002893F440000-0x000002893F450000-memory.dmp

Filesize
64KB

Download
memory/4924-53-0x000002893F480000-0x000002893F4A0000-memory.dmp

Filesize
128KB

Download
memory/4924-9-0x000002893F450000-0x000002893F472000-memory.dmp

Filesize
136KB

Download
memory/4924-49-0x000002893F480000-0x000002893F4A0000-memory.dmp

Filesize
128KB

Download
memory/4924-47-0x000002893F480000-0x000002893F4A0000-memory.dmp

Filesize
128KB

Download
memory/4924-45-0x000002893F480000-0x000002893F4A0000-memory.dmp

Filesize
128KB

Download
memory/4924-43-0x000002893F480000-0x000002893F4A0000-memory.dmp

Filesize
128KB

Download
memory/4924-39-0x000002893F480000-0x000002893F4A0000-memory.dmp

Filesize
128KB

Download
memory/4924-35-0x000002893F480000-0x000002893F4A0000-memory.dmp

Filesize
128KB

Download
memory/4924-33-0x000002893F480000-0x000002893F4A0000-memory.dmp

Filesize
128KB

Download
memory/4924-31-0x000002893F480000-0x000002893F4A0000-memory.dmp

Filesize
128KB

Download
memory/4924-29-0x000002893F480000-0x000002893F4A0000-memory.dmp

Filesize
128KB

Download
memory/4924-27-0x000002893F480000-0x000002893F4A0000-memory.dmp

Filesize
128KB

Download
memory/4924-25-0x000002893F480000-0x000002893F4A0000-memory.dmp

Filesize
128KB

Download
memory/4924-23-0x000002893F480000-0x000002893F4A0000-memory.dmp

Filesize
128KB

Download
memory/4924-21-0x000002893F480000-0x000002893F4A0000-memory.dmp

Filesize
128KB

Download
memory/4924-19-0x000002893F480000-0x000002893F4A0000-memory.dmp

Filesize
128KB

Download
memory/4924-17-0x000002893F480000-0x000002893F4A0000-memory.dmp

Filesize
128KB

Download
memory/4924-15-0x000002893F480000-0x000002893F4A0000-memory.dmp

Filesize
128KB

Download
memory/4924-14-0x000002893F480000-0x000002893F4A0000-memory.dmp

Filesize
128KB

Download
memory/4924-10-0x00007FFECC6E0000-0x00007FFECD1A1000-memory.dmp

Filesize
10.8MB

Download

Analysis

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