oski | e964f339c6a7e1119c7992a08e4db2cc5cf987d83019142afce62f60285e31b2

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
04-02-2024 15:35

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General

Target

8f84a3ca662fe5a89a35c32df3db77d4.ps1
Size

656KB
MD5

8f84a3ca662fe5a89a35c32df3db77d4
SHA1

d677a8e48202eb8e915934f40b3eead7d2b071a8
SHA256

e964f339c6a7e1119c7992a08e4db2cc5cf987d83019142afce62f60285e31b2
SHA512

8f1249a9a5f66b53196a00c3e60f0108452c25b885ee8eaf868d9e97089c49e9fdd7a6a919bc0c2100e851510133125888fdba023ca2b956af981d309de91de1
SSDEEP

12288:EZjw0RJ9u5ILYDxD3fxYehza/tw64m8TVkc5A+:g3+Tmr+

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

103.114.107.28/l13/

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 996 set thread context of 2424	996	powershell.exe	84

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
996	powershell.exe
996	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	996	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 996 wrote to memory of 2424	996	powershell.exe	84
PID 996 wrote to memory of 2424	996	powershell.exe	84
PID 996 wrote to memory of 2424	996	powershell.exe	84
PID 996 wrote to memory of 2424	996	powershell.exe	84
PID 996 wrote to memory of 2424	996	powershell.exe	84
PID 996 wrote to memory of 2424	996	powershell.exe	84
PID 996 wrote to memory of 2424	996	powershell.exe	84
PID 996 wrote to memory of 2424	996	powershell.exe	84
PID 996 wrote to memory of 2424	996	powershell.exe	84

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\8f84a3ca662fe5a89a35c32df3db77d4.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:996
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  #cmd
  2⤵
  PID:2424

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5qwcx3m3.urk.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/996-49-0x000002259BAA0000-0x000002259BAC0000-memory.dmp

Filesize
128KB

Download
memory/996-17-0x000002259BAA0000-0x000002259BAC0000-memory.dmp

Filesize
128KB

Download
memory/996-11-0x000002259BAC0000-0x000002259BAD0000-memory.dmp

Filesize
64KB

Download
memory/996-51-0x000002259BAA0000-0x000002259BAC0000-memory.dmp

Filesize
128KB

Download
memory/996-13-0x000002259BAA0000-0x000002259BAC6000-memory.dmp

Filesize
152KB

Download
memory/996-14-0x000002259BAA0000-0x000002259BAC0000-memory.dmp

Filesize
128KB

Download
memory/996-15-0x000002259BAA0000-0x000002259BAC0000-memory.dmp

Filesize
128KB

Download
memory/996-53-0x000002259BAA0000-0x000002259BAC0000-memory.dmp

Filesize
128KB

Download
memory/996-19-0x000002259BAA0000-0x000002259BAC0000-memory.dmp

Filesize
128KB

Download
memory/996-25-0x000002259BAA0000-0x000002259BAC0000-memory.dmp

Filesize
128KB

Download
memory/996-23-0x000002259BAA0000-0x000002259BAC0000-memory.dmp

Filesize
128KB

Download
memory/996-21-0x000002259BAA0000-0x000002259BAC0000-memory.dmp

Filesize
128KB

Download
memory/996-29-0x000002259BAA0000-0x000002259BAC0000-memory.dmp

Filesize
128KB

Download
memory/996-47-0x000002259BAA0000-0x000002259BAC0000-memory.dmp

Filesize
128KB

Download
memory/996-39-0x000002259BAA0000-0x000002259BAC0000-memory.dmp

Filesize
128KB

Download
memory/996-5-0x00000225835F0000-0x0000022583612000-memory.dmp

Filesize
136KB

Download
memory/996-10-0x00007FFDA9E50000-0x00007FFDAA911000-memory.dmp

Filesize
10.8MB

Download
memory/996-12-0x000002259BAC0000-0x000002259BAD0000-memory.dmp

Filesize
64KB

Download
memory/996-37-0x000002259BAA0000-0x000002259BAC0000-memory.dmp

Filesize
128KB

Download
memory/996-45-0x000002259BAA0000-0x000002259BAC0000-memory.dmp

Filesize
128KB

Download
memory/996-27-0x000002259BAA0000-0x000002259BAC0000-memory.dmp

Filesize
128KB

Download
memory/996-54-0x0000022583640000-0x0000022583641000-memory.dmp

Filesize
4KB

Download
memory/996-60-0x00007FFDA9E50000-0x00007FFDAA911000-memory.dmp

Filesize
10.8MB

Download
memory/996-43-0x000002259BAA0000-0x000002259BAC0000-memory.dmp

Filesize
128KB

Download
memory/996-41-0x000002259BAA0000-0x000002259BAC0000-memory.dmp

Filesize
128KB

Download
memory/996-35-0x000002259BAA0000-0x000002259BAC0000-memory.dmp

Filesize
128KB

Download
memory/996-33-0x000002259BAA0000-0x000002259BAC0000-memory.dmp

Filesize
128KB

Download
memory/996-31-0x000002259BAA0000-0x000002259BAC0000-memory.dmp

Filesize
128KB

Download
memory/2424-59-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2424-58-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2424-55-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2424-61-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2424-62-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download