oski | a5bb46a4b306c6b91b2056f323375bea85f1af2296b7240b933d06fe8d3ebf93

General

Target

af482d4723fb4f96ff0e28a64b85baf5.ps1
Size

656KB
MD5

af482d4723fb4f96ff0e28a64b85baf5
SHA1

4392409a923baa9cf926117bf7b67dfc88aec56b
SHA256

a5bb46a4b306c6b91b2056f323375bea85f1af2296b7240b933d06fe8d3ebf93
SHA512

b610310c57fcd1259cd4937803139407d551481bf50bc499c2c77760c43b509c31c0a82a8ecc8b74e9f33ae2a542b373e26ff9f7bdcdde20309a0a811c3e059f
SSDEEP

12288:EZjw0RJ9u5ILYDxD3fxYehza/tw64o8TVkc5A+:g3UTmr+

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

C2

/103.114.107.28/l33/

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 1472 set thread context of 1420	1472	powershell.exe	93

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3804	1420	WerFault.exe	93

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1472	powershell.exe
1472	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1472	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1472 wrote to memory of 1420	1472	powershell.exe	93
PID 1472 wrote to memory of 1420	1472	powershell.exe	93
PID 1472 wrote to memory of 1420	1472	powershell.exe	93
PID 1472 wrote to memory of 1420	1472	powershell.exe	93
PID 1472 wrote to memory of 1420	1472	powershell.exe	93
PID 1472 wrote to memory of 1420	1472	powershell.exe	93
PID 1472 wrote to memory of 1420	1472	powershell.exe	93
PID 1472 wrote to memory of 1420	1472	powershell.exe	93
PID 1472 wrote to memory of 1420	1472	powershell.exe	93

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\af482d4723fb4f96ff0e28a64b85baf5.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1472
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  #cmd
  2⤵
  PID:1420
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1420 -s 1100
    3⤵
    - Program crash
    PID:3804

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 1420 -ip 1420
1⤵
PID:5040

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zfpmawix.ygu.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1420-61-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1420-65-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1420-55-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1420-59-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1420-62-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1472-53-0x0000019974790000-0x00000199747B0000-memory.dmp

Filesize
128KB

Download
memory/1472-12-0x00000199744F0000-0x0000019974500000-memory.dmp

Filesize
64KB

Download
memory/1472-17-0x0000019974790000-0x00000199747B0000-memory.dmp

Filesize
128KB

Download
memory/1472-19-0x0000019974790000-0x00000199747B0000-memory.dmp

Filesize
128KB

Download
memory/1472-21-0x0000019974790000-0x00000199747B0000-memory.dmp

Filesize
128KB

Download
memory/1472-23-0x0000019974790000-0x00000199747B0000-memory.dmp

Filesize
128KB

Download
memory/1472-25-0x0000019974790000-0x00000199747B0000-memory.dmp

Filesize
128KB

Download
memory/1472-27-0x0000019974790000-0x00000199747B0000-memory.dmp

Filesize
128KB

Download
memory/1472-35-0x0000019974790000-0x00000199747B0000-memory.dmp

Filesize
128KB

Download
memory/1472-33-0x0000019974790000-0x00000199747B0000-memory.dmp

Filesize
128KB

Download
memory/1472-5-0x0000019973F40000-0x0000019973F62000-memory.dmp

Filesize
136KB

Download
memory/1472-56-0x00000199744F0000-0x0000019974500000-memory.dmp

Filesize
64KB

Download
memory/1472-14-0x0000019974790000-0x00000199747B0000-memory.dmp

Filesize
128KB

Download
memory/1472-13-0x0000019974790000-0x00000199747B6000-memory.dmp

Filesize
152KB

Download
memory/1472-60-0x00007FFC6A920000-0x00007FFC6B3E1000-memory.dmp

Filesize
10.8MB

Download
memory/1472-15-0x0000019974790000-0x00000199747B0000-memory.dmp

Filesize
128KB

Download
memory/1472-11-0x00000199744F0000-0x0000019974500000-memory.dmp

Filesize
64KB

Download
memory/1472-54-0x0000019973F70000-0x0000019973F71000-memory.dmp

Filesize
4KB

Download
memory/1472-51-0x0000019974790000-0x00000199747B0000-memory.dmp

Filesize
128KB

Download
memory/1472-49-0x0000019974790000-0x00000199747B0000-memory.dmp

Filesize
128KB

Download
memory/1472-47-0x0000019974790000-0x00000199747B0000-memory.dmp

Filesize
128KB

Download
memory/1472-45-0x0000019974790000-0x00000199747B0000-memory.dmp

Filesize
128KB

Download
memory/1472-43-0x0000019974790000-0x00000199747B0000-memory.dmp

Filesize
128KB

Download
memory/1472-41-0x0000019974790000-0x00000199747B0000-memory.dmp

Filesize
128KB

Download
memory/1472-39-0x0000019974790000-0x00000199747B0000-memory.dmp

Filesize
128KB

Download
memory/1472-37-0x0000019974790000-0x00000199747B0000-memory.dmp

Filesize
128KB

Download
memory/1472-31-0x0000019974790000-0x00000199747B0000-memory.dmp

Filesize
128KB

Download
memory/1472-29-0x0000019974790000-0x00000199747B0000-memory.dmp

Filesize
128KB

Download
memory/1472-10-0x00007FFC6A920000-0x00007FFC6B3E1000-memory.dmp

Filesize
10.8MB

Download

Analysis

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