oski | 947f49510001e228142923a110b38ececf9057c87693a4691a3d1998784d73f1

General

Target

d8b3a58ceb8f9960bb836f3fb44f561a.ps1
Size

656KB
MD5

d8b3a58ceb8f9960bb836f3fb44f561a
SHA1

bf828be8503f807c428145d46c3a905667e1731d
SHA256

947f49510001e228142923a110b38ececf9057c87693a4691a3d1998784d73f1
SHA512

c1f26898253e3c4283564c34bee015269f5411d283588c15ad462289032301a54dd415f535377748a6a67c30c1ed7705146232ccbeb0c46f9c745eefc50c1f6f
SSDEEP

12288:EZjw0RJ9u5ILYDxD3fxYehza/tw64e8TVkc5A+:g3iTmr+

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

C2

103.114.107.28/l3/

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 2092 set thread context of 3712	2092	powershell.exe	93

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1960	3712	WerFault.exe	93

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2092	powershell.exe
2092	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2092	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2092 wrote to memory of 3712	2092	powershell.exe	93
PID 2092 wrote to memory of 3712	2092	powershell.exe	93
PID 2092 wrote to memory of 3712	2092	powershell.exe	93
PID 2092 wrote to memory of 3712	2092	powershell.exe	93
PID 2092 wrote to memory of 3712	2092	powershell.exe	93
PID 2092 wrote to memory of 3712	2092	powershell.exe	93
PID 2092 wrote to memory of 3712	2092	powershell.exe	93
PID 2092 wrote to memory of 3712	2092	powershell.exe	93
PID 2092 wrote to memory of 3712	2092	powershell.exe	93

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\d8b3a58ceb8f9960bb836f3fb44f561a.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2092
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  #cmd
  2⤵
  PID:3712
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3712 -s 1224
    3⤵
    - Program crash
    PID:1960

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 3712 -ip 3712
1⤵
PID:2220

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0ubti1ru.omq.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2092-35-0x000001C7FC180000-0x000001C7FC1A0000-memory.dmp

Filesize
128KB

Download
memory/2092-11-0x000001C7FC1B0000-0x000001C7FC1C0000-memory.dmp

Filesize
64KB

Download
memory/2092-58-0x000001C7FC1B0000-0x000001C7FC1C0000-memory.dmp

Filesize
64KB

Download
memory/2092-63-0x000001C7FC1B0000-0x000001C7FC1C0000-memory.dmp

Filesize
64KB

Download
memory/2092-13-0x000001C7FC180000-0x000001C7FC1A6000-memory.dmp

Filesize
152KB

Download
memory/2092-14-0x000001C7FC180000-0x000001C7FC1A0000-memory.dmp

Filesize
128KB

Download
memory/2092-15-0x000001C7FC180000-0x000001C7FC1A0000-memory.dmp

Filesize
128KB

Download
memory/2092-17-0x000001C7FC180000-0x000001C7FC1A0000-memory.dmp

Filesize
128KB

Download
memory/2092-19-0x000001C7FC180000-0x000001C7FC1A0000-memory.dmp

Filesize
128KB

Download
memory/2092-21-0x000001C7FC180000-0x000001C7FC1A0000-memory.dmp

Filesize
128KB

Download
memory/2092-53-0x000001C7FC180000-0x000001C7FC1A0000-memory.dmp

Filesize
128KB

Download
memory/2092-54-0x000001C7FC1A0000-0x000001C7FC1A1000-memory.dmp

Filesize
4KB

Download
memory/2092-23-0x000001C7FC180000-0x000001C7FC1A0000-memory.dmp

Filesize
128KB

Download
memory/2092-25-0x000001C7FC180000-0x000001C7FC1A0000-memory.dmp

Filesize
128KB

Download
memory/2092-60-0x00007FF9386E0000-0x00007FF9391A1000-memory.dmp

Filesize
10.8MB

Download
memory/2092-27-0x000001C7FC180000-0x000001C7FC1A0000-memory.dmp

Filesize
128KB

Download
memory/2092-12-0x000001C7FC1B0000-0x000001C7FC1C0000-memory.dmp

Filesize
64KB

Download
memory/2092-51-0x000001C7FC180000-0x000001C7FC1A0000-memory.dmp

Filesize
128KB

Download
memory/2092-1-0x00007FF9386E0000-0x00007FF9391A1000-memory.dmp

Filesize
10.8MB

Download
memory/2092-49-0x000001C7FC180000-0x000001C7FC1A0000-memory.dmp

Filesize
128KB

Download
memory/2092-47-0x000001C7FC180000-0x000001C7FC1A0000-memory.dmp

Filesize
128KB

Download
memory/2092-45-0x000001C7FC180000-0x000001C7FC1A0000-memory.dmp

Filesize
128KB

Download
memory/2092-43-0x000001C7FC180000-0x000001C7FC1A0000-memory.dmp

Filesize
128KB

Download
memory/2092-41-0x000001C7FC180000-0x000001C7FC1A0000-memory.dmp

Filesize
128KB

Download
memory/2092-39-0x000001C7FC180000-0x000001C7FC1A0000-memory.dmp

Filesize
128KB

Download
memory/2092-37-0x000001C7FC180000-0x000001C7FC1A0000-memory.dmp

Filesize
128KB

Download
memory/2092-0-0x000001C7FE4A0000-0x000001C7FE4C2000-memory.dmp

Filesize
136KB

Download
memory/2092-33-0x000001C7FC180000-0x000001C7FC1A0000-memory.dmp

Filesize
128KB

Download
memory/2092-31-0x000001C7FC180000-0x000001C7FC1A0000-memory.dmp

Filesize
128KB

Download
memory/2092-29-0x000001C7FC180000-0x000001C7FC1A0000-memory.dmp

Filesize
128KB

Download
memory/3712-59-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3712-61-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3712-62-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3712-55-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3712-64-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3712-67-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download

Analysis

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