oski | 1d0b1d8fc6831c8851eaeef1468800f8fa4c311f2cc9d365a93490fae5ec392b

Analysis

max time kernel
135s
max time network
147s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
21-12-2023 21:00

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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 3032 set thread context of 2720	3032	powershell.exe	30

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3032	powershell.exe
3032	powershell.exe
3032	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3032	powershell.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3032 wrote to memory of 2700	3032	powershell.exe	29
PID 3032 wrote to memory of 2700	3032	powershell.exe	29
PID 3032 wrote to memory of 2700	3032	powershell.exe	29
PID 3032 wrote to memory of 2700	3032	powershell.exe	29
PID 3032 wrote to memory of 2720	3032	powershell.exe	30
PID 3032 wrote to memory of 2720	3032	powershell.exe	30
PID 3032 wrote to memory of 2720	3032	powershell.exe	30
PID 3032 wrote to memory of 2720	3032	powershell.exe	30
PID 3032 wrote to memory of 2720	3032	powershell.exe	30
PID 3032 wrote to memory of 2720	3032	powershell.exe	30
PID 3032 wrote to memory of 2720	3032	powershell.exe	30
PID 3032 wrote to memory of 2720	3032	powershell.exe	30
PID 3032 wrote to memory of 2720	3032	powershell.exe	30
PID 3032 wrote to memory of 2720	3032	powershell.exe	30

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:3032
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
  "{path}"
  2⤵
  PID:2700
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
  "{path}"
  2⤵
  PID:2720

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2720-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2720-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2720-28-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2720-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2720-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2720-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2720-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2720-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2720-29-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2720-27-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3032-11-0x00000000029B0000-0x0000000002A30000-memory.dmp

Filesize
512KB

Download
memory/3032-10-0x000007FEF5D80000-0x000007FEF671D000-memory.dmp

Filesize
9.6MB

Download
memory/3032-8-0x00000000029B0000-0x0000000002A30000-memory.dmp

Filesize
512KB

Download
memory/3032-5-0x0000000002360000-0x0000000002368000-memory.dmp

Filesize
32KB

Download
memory/3032-9-0x00000000029B0000-0x0000000002A30000-memory.dmp

Filesize
512KB

Download
memory/3032-4-0x000000001B470000-0x000000001B752000-memory.dmp

Filesize
2.9MB

Download
memory/3032-26-0x000007FEF5D80000-0x000007FEF671D000-memory.dmp

Filesize
9.6MB

Download
memory/3032-7-0x00000000029B0000-0x0000000002A30000-memory.dmp

Filesize
512KB

Download
memory/3032-6-0x000007FEF5D80000-0x000007FEF671D000-memory.dmp

Filesize
9.6MB

Download
memory/3032-12-0x00000000027E0000-0x00000000027EA000-memory.dmp

Filesize
40KB

Download