oski | f0de5dd14a617af32710f1b582bc2b37d7d83fd36039c44fdb5f2c16a52a5f51

General

Target

cfa266344b12ad260d806d51e1382f58.ps1
Size

656KB
MD5

cfa266344b12ad260d806d51e1382f58
SHA1

2eaaccfb288df22ef54f2ce2c41240a62410f0df
SHA256

f0de5dd14a617af32710f1b582bc2b37d7d83fd36039c44fdb5f2c16a52a5f51
SHA512

34983d59a817fd5ac9960b0899540b9e886f49a19af05b5e9bb21b20b22d45efa0e5733c41186feeecf86a52e4e0823d03557f8800c395690c73d4d8291e55d7
SSDEEP

12288:EZjw0RJ9u5ILYDxD3fxYehza/tw64r8TVkc5A+:g3VTmr+

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

C2

/103.114.107.28/l29/

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 3052 set thread context of 1332	3052	powershell.exe	27

Program crash 1 IoCs

pid	pid_target	Process	procid_target
752	1332	WerFault.exe	27

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3052	powershell.exe
3052	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3052	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3052 wrote to memory of 1332	3052	powershell.exe	27
PID 3052 wrote to memory of 1332	3052	powershell.exe	27
PID 3052 wrote to memory of 1332	3052	powershell.exe	27
PID 3052 wrote to memory of 1332	3052	powershell.exe	27
PID 3052 wrote to memory of 1332	3052	powershell.exe	27
PID 3052 wrote to memory of 1332	3052	powershell.exe	27
PID 3052 wrote to memory of 1332	3052	powershell.exe	27
PID 3052 wrote to memory of 1332	3052	powershell.exe	27
PID 3052 wrote to memory of 1332	3052	powershell.exe	27

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\cfa266344b12ad260d806d51e1382f58.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3052
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  #cmd
  2⤵
  PID:1332
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1332 -s 1112
    3⤵
    - Program crash
    PID:752

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1332 -ip 1332
1⤵
PID:3892

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_x0fv5ehn.lv3.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1332-58-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1332-64-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1332-54-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1332-59-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1332-61-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3052-46-0x00000205CB920000-0x00000205CB940000-memory.dmp

Filesize
128KB

Download
memory/3052-40-0x00000205CB920000-0x00000205CB940000-memory.dmp

Filesize
128KB

Download
memory/3052-38-0x00000205CB920000-0x00000205CB940000-memory.dmp

Filesize
128KB

Download
memory/3052-12-0x00000205CB920000-0x00000205CB946000-memory.dmp

Filesize
152KB

Download
memory/3052-60-0x00007FFA8B6B0000-0x00007FFA8C171000-memory.dmp

Filesize
10.8MB

Download
memory/3052-55-0x00000205B2F30000-0x00000205B2F40000-memory.dmp

Filesize
64KB

Download
memory/3052-0-0x00000205B30A0000-0x00000205B30C2000-memory.dmp

Filesize
136KB

Download
memory/3052-52-0x00000205CB920000-0x00000205CB940000-memory.dmp

Filesize
128KB

Download
memory/3052-50-0x00000205CB920000-0x00000205CB940000-memory.dmp

Filesize
128KB

Download
memory/3052-48-0x00000205CB920000-0x00000205CB940000-memory.dmp

Filesize
128KB

Download
memory/3052-8-0x00000205B2F30000-0x00000205B2F40000-memory.dmp

Filesize
64KB

Download
memory/3052-44-0x00000205CB920000-0x00000205CB940000-memory.dmp

Filesize
128KB

Download
memory/3052-42-0x00000205CB920000-0x00000205CB940000-memory.dmp

Filesize
128KB

Download
memory/3052-53-0x00000205B30D0000-0x00000205B30D1000-memory.dmp

Filesize
4KB

Download
memory/3052-36-0x00000205CB920000-0x00000205CB940000-memory.dmp

Filesize
128KB

Download
memory/3052-34-0x00000205CB920000-0x00000205CB940000-memory.dmp

Filesize
128KB

Download
memory/3052-32-0x00000205CB920000-0x00000205CB940000-memory.dmp

Filesize
128KB

Download
memory/3052-30-0x00000205CB920000-0x00000205CB940000-memory.dmp

Filesize
128KB

Download
memory/3052-28-0x00000205CB920000-0x00000205CB940000-memory.dmp

Filesize
128KB

Download
memory/3052-26-0x00000205CB920000-0x00000205CB940000-memory.dmp

Filesize
128KB

Download
memory/3052-24-0x00000205CB920000-0x00000205CB940000-memory.dmp

Filesize
128KB

Download
memory/3052-22-0x00000205CB920000-0x00000205CB940000-memory.dmp

Filesize
128KB

Download
memory/3052-20-0x00000205CB920000-0x00000205CB940000-memory.dmp

Filesize
128KB

Download
memory/3052-18-0x00000205CB920000-0x00000205CB940000-memory.dmp

Filesize
128KB

Download
memory/3052-16-0x00000205CB920000-0x00000205CB940000-memory.dmp

Filesize
128KB

Download
memory/3052-14-0x00000205CB920000-0x00000205CB940000-memory.dmp

Filesize
128KB

Download
memory/3052-6-0x00007FFA8B6B0000-0x00007FFA8C171000-memory.dmp

Filesize
10.8MB

Download
memory/3052-13-0x00000205CB920000-0x00000205CB940000-memory.dmp

Filesize
128KB

Download

Analysis

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