oski | 1d0b1d8fc6831c8851eaeef1468800f8fa4c311f2cc9d365a93490fae5ec392b

Analysis

max time kernel
147s
max time network
171s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
21-12-2023 21:54

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General

Target

08ee3567b7cb389951dd0c9c5f7b8272.ps1
Size

421KB
MD5

08ee3567b7cb389951dd0c9c5f7b8272
SHA1

3e3c781bd20611b159ef4242e683f33e5712f583
SHA256

1d0b1d8fc6831c8851eaeef1468800f8fa4c311f2cc9d365a93490fae5ec392b
SHA512

f9e62d847c57d479d2e50d2ddadf7f39beb567548a797852ea18d35b918d5a0f1cfeaf4f44f2b731ffab898bf4cffd87597e44722461f22944179e72032e93f4
SSDEEP

12288:+Zjw0RJ9u5ILYDxD3fxYehza/tw64FL68:q3W

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

103.114.107.28/l18/

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 452 set thread context of 4152	452	powershell.exe	88

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
452	powershell.exe
452	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	452	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 452 wrote to memory of 4152	452	powershell.exe	88
PID 452 wrote to memory of 4152	452	powershell.exe	88
PID 452 wrote to memory of 4152	452	powershell.exe	88
PID 452 wrote to memory of 4152	452	powershell.exe	88
PID 452 wrote to memory of 4152	452	powershell.exe	88
PID 452 wrote to memory of 4152	452	powershell.exe	88
PID 452 wrote to memory of 4152	452	powershell.exe	88
PID 452 wrote to memory of 4152	452	powershell.exe	88
PID 452 wrote to memory of 4152	452	powershell.exe	88

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\08ee3567b7cb389951dd0c9c5f7b8272.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:452
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "{path}"
  2⤵
  PID:4152

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_i1gz2owf.zlj.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/452-13-0x0000026AD64B0000-0x0000026AD64C0000-memory.dmp

Filesize
64KB

Download
memory/452-10-0x0000026ABDD60000-0x0000026ABDD6A000-memory.dmp

Filesize
40KB

Download
memory/452-11-0x00007FF8064A0000-0x00007FF806F61000-memory.dmp

Filesize
10.8MB

Download
memory/452-12-0x0000026AD64B0000-0x0000026AD64C0000-memory.dmp

Filesize
64KB

Download
memory/452-14-0x0000026AD64B0000-0x0000026AD64C0000-memory.dmp

Filesize
64KB

Download
memory/452-9-0x0000026ABDD20000-0x0000026ABDD42000-memory.dmp

Filesize
136KB

Download
memory/452-20-0x00007FF8064A0000-0x00007FF806F61000-memory.dmp

Filesize
10.8MB

Download
memory/4152-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4152-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4152-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4152-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4152-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download