oski | 425e0a263cf872e96f3f9cc40215268b94148054577c3aa238af64333d489f4e

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
24-01-2024 08:27

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General

Target

71bfac3bfe6334641627a8684d3fe6ee.ps1
Size

706KB
MD5

71bfac3bfe6334641627a8684d3fe6ee
SHA1

0e9e3f42630074b7e6fefabda198a206d2657063
SHA256

425e0a263cf872e96f3f9cc40215268b94148054577c3aa238af64333d489f4e
SHA512

73d74542b1b3b222b069906580e3d49194784ee5267f6af96a80e61cf3d8de3b669e9d5d3aff40393bbb9c60750b0e34f16de1bffab41202fad4b654cb40229f
SSDEEP

6144:raJpHs+ApelD0TpSXKFlECflUZdAMr9LXoFNihdhUNK/16dBzMeiuoC6GSO1m02:BOAR002

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

103.99.1.60/we/blac/

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 2548 set thread context of 2824	2548	powershell.exe	30

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2548	powershell.exe
2548	powershell.exe
2548	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2548	powershell.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2548 wrote to memory of 2556	2548	powershell.exe	29
PID 2548 wrote to memory of 2556	2548	powershell.exe	29
PID 2548 wrote to memory of 2556	2548	powershell.exe	29
PID 2548 wrote to memory of 2556	2548	powershell.exe	29
PID 2548 wrote to memory of 2556	2548	powershell.exe	29
PID 2548 wrote to memory of 2556	2548	powershell.exe	29
PID 2548 wrote to memory of 2556	2548	powershell.exe	29
PID 2548 wrote to memory of 2824	2548	powershell.exe	30
PID 2548 wrote to memory of 2824	2548	powershell.exe	30
PID 2548 wrote to memory of 2824	2548	powershell.exe	30
PID 2548 wrote to memory of 2824	2548	powershell.exe	30
PID 2548 wrote to memory of 2824	2548	powershell.exe	30
PID 2548 wrote to memory of 2824	2548	powershell.exe	30
PID 2548 wrote to memory of 2824	2548	powershell.exe	30
PID 2548 wrote to memory of 2824	2548	powershell.exe	30
PID 2548 wrote to memory of 2824	2548	powershell.exe	30
PID 2548 wrote to memory of 2824	2548	powershell.exe	30
PID 2548 wrote to memory of 2824	2548	powershell.exe	30
PID 2548 wrote to memory of 2824	2548	powershell.exe	30
PID 2548 wrote to memory of 2824	2548	powershell.exe	30

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\71bfac3bfe6334641627a8684d3fe6ee.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2548
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:2556
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:2824

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2548-5-0x000007FEF5BF0000-0x000007FEF658D000-memory.dmp

Filesize
9.6MB

Download
memory/2548-4-0x000000001B770000-0x000000001BA52000-memory.dmp

Filesize
2.9MB

Download
memory/2548-7-0x0000000002E40000-0x0000000002EC0000-memory.dmp

Filesize
512KB

Download
memory/2548-6-0x0000000002860000-0x0000000002868000-memory.dmp

Filesize
32KB

Download
memory/2548-9-0x0000000002E40000-0x0000000002EC0000-memory.dmp

Filesize
512KB

Download
memory/2548-10-0x0000000002E40000-0x0000000002EC0000-memory.dmp

Filesize
512KB

Download
memory/2548-8-0x000007FEF5BF0000-0x000007FEF658D000-memory.dmp

Filesize
9.6MB

Download
memory/2548-11-0x0000000002E40000-0x0000000002EC0000-memory.dmp

Filesize
512KB

Download
memory/2548-12-0x0000000002CF0000-0x0000000002CF8000-memory.dmp

Filesize
32KB

Download
memory/2548-22-0x000007FEF5BF0000-0x000007FEF658D000-memory.dmp

Filesize
9.6MB

Download
memory/2824-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2824-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2824-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2824-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2824-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2824-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2824-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2824-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2824-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2824-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download