oski | ec88f47c63e1c58d16891de3aad67f349d4a9f9963524a239fc2fb2ece298eb3

General

Target

f09d4299af9c6a1e1d88e91360c9f58f.ps1
Size

656KB
MD5

f09d4299af9c6a1e1d88e91360c9f58f
SHA1

2ae7aee42e7e925370f5762ee4605ecb937aaae8
SHA256

ec88f47c63e1c58d16891de3aad67f349d4a9f9963524a239fc2fb2ece298eb3
SHA512

d5f61ed72c14b227193c4b4634b0b4ef4df6661e6c91cb67fb99b396170f90333d7c4f2443fa1d0f52051681ba9b6e785e5386c7f4acaf84ef624a5120bb644a
SSDEEP

12288:EZjw0RJ9u5ILYDxD3fxYehza/tw64t8TVkc5A+:g3rTmr+

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

C2

/103.114.107.28/l606/

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 2184 set thread context of 4100	2184	powershell.exe	92

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4720	4100	WerFault.exe	92

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2184	powershell.exe
2184	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2184	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2184 wrote to memory of 4100	2184	powershell.exe	92
PID 2184 wrote to memory of 4100	2184	powershell.exe	92
PID 2184 wrote to memory of 4100	2184	powershell.exe	92
PID 2184 wrote to memory of 4100	2184	powershell.exe	92
PID 2184 wrote to memory of 4100	2184	powershell.exe	92
PID 2184 wrote to memory of 4100	2184	powershell.exe	92
PID 2184 wrote to memory of 4100	2184	powershell.exe	92
PID 2184 wrote to memory of 4100	2184	powershell.exe	92
PID 2184 wrote to memory of 4100	2184	powershell.exe	92

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\f09d4299af9c6a1e1d88e91360c9f58f.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2184
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  #cmd
  2⤵
  PID:4100
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4100 -s 1104
    3⤵
    - Program crash
    PID:4720

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4100 -ip 4100
1⤵
PID:2412

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tn0tbucy.dvw.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2184-52-0x000001814C350000-0x000001814C370000-memory.dmp

Filesize
128KB

Download
memory/2184-16-0x000001814C350000-0x000001814C370000-memory.dmp

Filesize
128KB

Download
memory/2184-12-0x0000018131940000-0x0000018131950000-memory.dmp

Filesize
64KB

Download
memory/2184-13-0x0000018131940000-0x0000018131950000-memory.dmp

Filesize
64KB

Download
memory/2184-50-0x000001814C350000-0x000001814C370000-memory.dmp

Filesize
128KB

Download
memory/2184-14-0x000001814C350000-0x000001814C376000-memory.dmp

Filesize
152KB

Download
memory/2184-15-0x000001814C350000-0x000001814C370000-memory.dmp

Filesize
128KB

Download
memory/2184-48-0x000001814C350000-0x000001814C370000-memory.dmp

Filesize
128KB

Download
memory/2184-20-0x000001814C350000-0x000001814C370000-memory.dmp

Filesize
128KB

Download
memory/2184-61-0x00007FFBAB440000-0x00007FFBABF01000-memory.dmp

Filesize
10.8MB

Download
memory/2184-42-0x000001814C350000-0x000001814C370000-memory.dmp

Filesize
128KB

Download
memory/2184-40-0x000001814C350000-0x000001814C370000-memory.dmp

Filesize
128KB

Download
memory/2184-54-0x000001814C350000-0x000001814C370000-memory.dmp

Filesize
128KB

Download
memory/2184-18-0x000001814C350000-0x000001814C370000-memory.dmp

Filesize
128KB

Download
memory/2184-55-0x0000018131930000-0x0000018131931000-memory.dmp

Filesize
4KB

Download
memory/2184-0-0x0000018131C00000-0x0000018131C22000-memory.dmp

Filesize
136KB

Download
memory/2184-11-0x0000018131940000-0x0000018131950000-memory.dmp

Filesize
64KB

Download
memory/2184-10-0x00007FFBAB440000-0x00007FFBABF01000-memory.dmp

Filesize
10.8MB

Download
memory/2184-22-0x000001814C350000-0x000001814C370000-memory.dmp

Filesize
128KB

Download
memory/2184-24-0x000001814C350000-0x000001814C370000-memory.dmp

Filesize
128KB

Download
memory/2184-26-0x000001814C350000-0x000001814C370000-memory.dmp

Filesize
128KB

Download
memory/2184-28-0x000001814C350000-0x000001814C370000-memory.dmp

Filesize
128KB

Download
memory/2184-46-0x000001814C350000-0x000001814C370000-memory.dmp

Filesize
128KB

Download
memory/2184-44-0x000001814C350000-0x000001814C370000-memory.dmp

Filesize
128KB

Download
memory/2184-38-0x000001814C350000-0x000001814C370000-memory.dmp

Filesize
128KB

Download
memory/2184-36-0x000001814C350000-0x000001814C370000-memory.dmp

Filesize
128KB

Download
memory/2184-34-0x000001814C350000-0x000001814C370000-memory.dmp

Filesize
128KB

Download
memory/2184-32-0x000001814C350000-0x000001814C370000-memory.dmp

Filesize
128KB

Download
memory/2184-30-0x000001814C350000-0x000001814C370000-memory.dmp

Filesize
128KB

Download
memory/4100-59-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4100-60-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4100-62-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4100-56-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4100-65-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download

Analysis

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