oski | 072611cbd21330320b51fb7e49a58d2810f81c4f4a923f5af91b97b91052dbde

General

Target

9c226145547ce4265b7cdaf7c5e0cb39.ps1
Size

656KB
MD5

9c226145547ce4265b7cdaf7c5e0cb39
SHA1

703c3fa709594ae52e474e5e6525c31cb7ec34fe
SHA256

072611cbd21330320b51fb7e49a58d2810f81c4f4a923f5af91b97b91052dbde
SHA512

529a25f4694a0e7099809920301f606920d2aff7e367cbdbb5b871a018afa5ce5350851c3ae0e3e6b0c09d39a115504ff0ae74622e10bd17d47fc1007783f886
SSDEEP

12288:EZjw0RJ9u5ILYDxD3fxYehza/tw64M8TVkc5A+:g3kTmr+

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

C2

103.114.107.28/l11/

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 2292 set thread context of 3120	2292	powershell.exe	31

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3848	3120	WerFault.exe	31

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2292	powershell.exe
2292	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2292	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2292 wrote to memory of 3120	2292	powershell.exe	31
PID 2292 wrote to memory of 3120	2292	powershell.exe	31
PID 2292 wrote to memory of 3120	2292	powershell.exe	31
PID 2292 wrote to memory of 3120	2292	powershell.exe	31
PID 2292 wrote to memory of 3120	2292	powershell.exe	31
PID 2292 wrote to memory of 3120	2292	powershell.exe	31
PID 2292 wrote to memory of 3120	2292	powershell.exe	31
PID 2292 wrote to memory of 3120	2292	powershell.exe	31
PID 2292 wrote to memory of 3120	2292	powershell.exe	31

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\9c226145547ce4265b7cdaf7c5e0cb39.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2292
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  #cmd
  2⤵
  PID:3120
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3120 -s 1216
    3⤵
    - Program crash
    PID:3848

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3120 -ip 3120
1⤵
PID:2176

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_oy3turo3.2ha.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2292-51-0x000001FC55E70000-0x000001FC55E90000-memory.dmp

Filesize
128KB

Download
memory/2292-11-0x000001FC55F00000-0x000001FC55F10000-memory.dmp

Filesize
64KB

Download
memory/2292-12-0x000001FC55F00000-0x000001FC55F10000-memory.dmp

Filesize
64KB

Download
memory/2292-9-0x000001FC55E40000-0x000001FC55E62000-memory.dmp

Filesize
136KB

Download
memory/2292-13-0x000001FC55E70000-0x000001FC55E96000-memory.dmp

Filesize
152KB

Download
memory/2292-49-0x000001FC55E70000-0x000001FC55E90000-memory.dmp

Filesize
128KB

Download
memory/2292-45-0x000001FC55E70000-0x000001FC55E90000-memory.dmp

Filesize
128KB

Download
memory/2292-43-0x000001FC55E70000-0x000001FC55E90000-memory.dmp

Filesize
128KB

Download
memory/2292-47-0x000001FC55E70000-0x000001FC55E90000-memory.dmp

Filesize
128KB

Download
memory/2292-53-0x000001FC55E70000-0x000001FC55E90000-memory.dmp

Filesize
128KB

Download
memory/2292-54-0x000001FC3D9E0000-0x000001FC3D9E1000-memory.dmp

Filesize
4KB

Download
memory/2292-14-0x000001FC55E70000-0x000001FC55E90000-memory.dmp

Filesize
128KB

Download
memory/2292-61-0x00007FFA76D40000-0x00007FFA77801000-memory.dmp

Filesize
10.8MB

Download
memory/2292-17-0x000001FC55E70000-0x000001FC55E90000-memory.dmp

Filesize
128KB

Download
memory/2292-19-0x000001FC55E70000-0x000001FC55E90000-memory.dmp

Filesize
128KB

Download
memory/2292-56-0x000001FC55F00000-0x000001FC55F10000-memory.dmp

Filesize
64KB

Download
memory/2292-21-0x000001FC55E70000-0x000001FC55E90000-memory.dmp

Filesize
128KB

Download
memory/2292-10-0x00007FFA76D40000-0x00007FFA77801000-memory.dmp

Filesize
10.8MB

Download
memory/2292-15-0x000001FC55E70000-0x000001FC55E90000-memory.dmp

Filesize
128KB

Download
memory/2292-41-0x000001FC55E70000-0x000001FC55E90000-memory.dmp

Filesize
128KB

Download
memory/2292-39-0x000001FC55E70000-0x000001FC55E90000-memory.dmp

Filesize
128KB

Download
memory/2292-37-0x000001FC55E70000-0x000001FC55E90000-memory.dmp

Filesize
128KB

Download
memory/2292-35-0x000001FC55E70000-0x000001FC55E90000-memory.dmp

Filesize
128KB

Download
memory/2292-33-0x000001FC55E70000-0x000001FC55E90000-memory.dmp

Filesize
128KB

Download
memory/2292-31-0x000001FC55E70000-0x000001FC55E90000-memory.dmp

Filesize
128KB

Download
memory/2292-29-0x000001FC55E70000-0x000001FC55E90000-memory.dmp

Filesize
128KB

Download
memory/2292-27-0x000001FC55E70000-0x000001FC55E90000-memory.dmp

Filesize
128KB

Download
memory/2292-25-0x000001FC55E70000-0x000001FC55E90000-memory.dmp

Filesize
128KB

Download
memory/2292-23-0x000001FC55E70000-0x000001FC55E90000-memory.dmp

Filesize
128KB

Download
memory/3120-63-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3120-57-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3120-60-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3120-62-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3120-55-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3120-66-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download

Analysis

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