oski | a216b930fa01417a53852559e8a01e7d61aafb04d85fffedc1e81b20822f162d

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
16-01-2024 00:06

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General

Target

5e70c004a15f9c9dd298b95046feee7f.ps1
Size

485KB
MD5

5e70c004a15f9c9dd298b95046feee7f
SHA1

fc990eadc3d9e92d62c2fb933e40def2c96900dd
SHA256

a216b930fa01417a53852559e8a01e7d61aafb04d85fffedc1e81b20822f162d
SHA512

0eef2f58be50b8d09d9970d43953edbf98f44beaf645e0cacdf84210cf71b3a31546f9c2885a183fd8a9cce682f21c118bac53fb0435dc3a0aeff3fa2ed6c096
SSDEEP

12288:+Zjw0RJ9u5ILYDxD3fxYehza/tw64sigu:q3Zu

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

103.114.107.28/l9/

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 1060 set thread context of 4204	1060	powershell.exe	89

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1060	powershell.exe
1060	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1060	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1060 wrote to memory of 4204	1060	powershell.exe	89
PID 1060 wrote to memory of 4204	1060	powershell.exe	89
PID 1060 wrote to memory of 4204	1060	powershell.exe	89
PID 1060 wrote to memory of 4204	1060	powershell.exe	89
PID 1060 wrote to memory of 4204	1060	powershell.exe	89
PID 1060 wrote to memory of 4204	1060	powershell.exe	89
PID 1060 wrote to memory of 4204	1060	powershell.exe	89
PID 1060 wrote to memory of 4204	1060	powershell.exe	89
PID 1060 wrote to memory of 4204	1060	powershell.exe	89

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\5e70c004a15f9c9dd298b95046feee7f.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1060
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  #cmd
  2⤵
  PID:4204

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4204 -ip 4204
1⤵
PID:4892

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ldxxe1y0.0pg.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1060-14-0x0000018732870000-0x0000018732882000-memory.dmp

Filesize
72KB

Download
memory/1060-12-0x000001874ADC0000-0x000001874ADD0000-memory.dmp

Filesize
64KB

Download
memory/1060-13-0x000001874ADC0000-0x000001874ADD0000-memory.dmp

Filesize
64KB

Download
memory/1060-11-0x000001874ADC0000-0x000001874ADD0000-memory.dmp

Filesize
64KB

Download
memory/1060-10-0x00007FF9D39A0000-0x00007FF9D4461000-memory.dmp

Filesize
10.8MB

Download
memory/1060-5-0x000001874AD60000-0x000001874AD82000-memory.dmp

Filesize
136KB

Download
memory/1060-20-0x00007FF9D39A0000-0x00007FF9D4461000-memory.dmp

Filesize
10.8MB

Download
memory/4204-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4204-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4204-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4204-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4204-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download