oski | 5cb53190466a3df6020b7a572001480487483d78e312ce42e17abd478e21eb39

General

Target

8a67433f0f884eaeafe9a20e73e31e68.ps1
Size

656KB
MD5

8a67433f0f884eaeafe9a20e73e31e68
SHA1

0038efbf78dd9f7d1ef5bb0f6bfd039e81c909a7
SHA256

5cb53190466a3df6020b7a572001480487483d78e312ce42e17abd478e21eb39
SHA512

5f56f743d588d2b1cd529eeeb8ff20fb7812032a59835dea866a6baaae5f00e09a09a3c00c4530c1a76d3f1bf69e019519c789015da929f806eeab57a89bf840
SSDEEP

12288:EZjw0RJ9u5ILYDxD3fxYehza/tw64M8TVkc5A+:g3QTmr+

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

C2

/103.114.107.28/l1414/

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 4968 set thread context of 644	4968	powershell.exe	91

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4660	644	WerFault.exe	91

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4968	powershell.exe
4968	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4968	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4968 wrote to memory of 644	4968	powershell.exe	91
PID 4968 wrote to memory of 644	4968	powershell.exe	91
PID 4968 wrote to memory of 644	4968	powershell.exe	91
PID 4968 wrote to memory of 644	4968	powershell.exe	91
PID 4968 wrote to memory of 644	4968	powershell.exe	91
PID 4968 wrote to memory of 644	4968	powershell.exe	91
PID 4968 wrote to memory of 644	4968	powershell.exe	91
PID 4968 wrote to memory of 644	4968	powershell.exe	91
PID 4968 wrote to memory of 644	4968	powershell.exe	91

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\8a67433f0f884eaeafe9a20e73e31e68.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4968
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  #cmd
  2⤵
  PID:644
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 644 -s 1112
    3⤵
    - Program crash
    PID:4660

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 644 -ip 644
1⤵
PID:3156

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dwygvh01.bd3.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/644-59-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/644-65-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/644-56-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/644-61-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/644-62-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4968-28-0x000001F21A400000-0x000001F21A420000-memory.dmp

Filesize
128KB

Download
memory/4968-44-0x000001F21A400000-0x000001F21A420000-memory.dmp

Filesize
128KB

Download
memory/4968-0-0x000001F27E060000-0x000001F27E082000-memory.dmp

Filesize
136KB

Download
memory/4968-40-0x000001F21A400000-0x000001F21A420000-memory.dmp

Filesize
128KB

Download
memory/4968-54-0x000001F21A400000-0x000001F21A420000-memory.dmp

Filesize
128KB

Download
memory/4968-52-0x000001F21A400000-0x000001F21A420000-memory.dmp

Filesize
128KB

Download
memory/4968-55-0x000001F21A420000-0x000001F21A421000-memory.dmp

Filesize
4KB

Download
memory/4968-14-0x000001F21A400000-0x000001F21A426000-memory.dmp

Filesize
152KB

Download
memory/4968-60-0x00007FFD5B8F0000-0x00007FFD5C3B1000-memory.dmp

Filesize
10.8MB

Download
memory/4968-12-0x000001F27E670000-0x000001F27E680000-memory.dmp

Filesize
64KB

Download
memory/4968-13-0x000001F27E670000-0x000001F27E680000-memory.dmp

Filesize
64KB

Download
memory/4968-11-0x000001F27E670000-0x000001F27E680000-memory.dmp

Filesize
64KB

Download
memory/4968-50-0x000001F21A400000-0x000001F21A420000-memory.dmp

Filesize
128KB

Download
memory/4968-48-0x000001F21A400000-0x000001F21A420000-memory.dmp

Filesize
128KB

Download
memory/4968-46-0x000001F21A400000-0x000001F21A420000-memory.dmp

Filesize
128KB

Download
memory/4968-20-0x000001F21A400000-0x000001F21A420000-memory.dmp

Filesize
128KB

Download
memory/4968-42-0x000001F21A400000-0x000001F21A420000-memory.dmp

Filesize
128KB

Download
memory/4968-38-0x000001F21A400000-0x000001F21A420000-memory.dmp

Filesize
128KB

Download
memory/4968-36-0x000001F21A400000-0x000001F21A420000-memory.dmp

Filesize
128KB

Download
memory/4968-34-0x000001F21A400000-0x000001F21A420000-memory.dmp

Filesize
128KB

Download
memory/4968-32-0x000001F21A400000-0x000001F21A420000-memory.dmp

Filesize
128KB

Download
memory/4968-30-0x000001F21A400000-0x000001F21A420000-memory.dmp

Filesize
128KB

Download
memory/4968-26-0x000001F21A400000-0x000001F21A420000-memory.dmp

Filesize
128KB

Download
memory/4968-24-0x000001F21A400000-0x000001F21A420000-memory.dmp

Filesize
128KB

Download
memory/4968-22-0x000001F21A400000-0x000001F21A420000-memory.dmp

Filesize
128KB

Download
memory/4968-18-0x000001F21A400000-0x000001F21A420000-memory.dmp

Filesize
128KB

Download
memory/4968-16-0x000001F21A400000-0x000001F21A420000-memory.dmp

Filesize
128KB

Download
memory/4968-15-0x000001F21A400000-0x000001F21A420000-memory.dmp

Filesize
128KB

Download
memory/4968-10-0x00007FFD5B8F0000-0x00007FFD5C3B1000-memory.dmp

Filesize
10.8MB

Download

Analysis

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