oski | 425e0a263cf872e96f3f9cc40215268b94148054577c3aa238af64333d489f4e

Analysis

max time kernel
137s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-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 5020 set thread context of 4600	5020	powershell.exe	89

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5020	powershell.exe
5020	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5020	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 5020 wrote to memory of 4600	5020	powershell.exe	89
PID 5020 wrote to memory of 4600	5020	powershell.exe	89
PID 5020 wrote to memory of 4600	5020	powershell.exe	89
PID 5020 wrote to memory of 4600	5020	powershell.exe	89
PID 5020 wrote to memory of 4600	5020	powershell.exe	89
PID 5020 wrote to memory of 4600	5020	powershell.exe	89
PID 5020 wrote to memory of 4600	5020	powershell.exe	89
PID 5020 wrote to memory of 4600	5020	powershell.exe	89
PID 5020 wrote to memory of 4600	5020	powershell.exe	89

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:5020
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:4600

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dtdkof4h.fjw.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/4600-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4600-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4600-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4600-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4600-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/5020-11-0x0000013C8E990000-0x0000013C8E9A0000-memory.dmp

Filesize
64KB

Download
memory/5020-14-0x0000013CA9130000-0x0000013CA9138000-memory.dmp

Filesize
32KB

Download
memory/5020-18-0x00007FFEBD1F0000-0x00007FFEBDCB1000-memory.dmp

Filesize
10.8MB

Download
memory/5020-13-0x0000013C8E990000-0x0000013C8E9A0000-memory.dmp

Filesize
64KB

Download
memory/5020-12-0x0000013C8E990000-0x0000013C8E9A0000-memory.dmp

Filesize
64KB

Download
memory/5020-10-0x00007FFEBD1F0000-0x00007FFEBDCB1000-memory.dmp

Filesize
10.8MB

Download
memory/5020-9-0x0000013CA9140000-0x0000013CA9162000-memory.dmp

Filesize
136KB

Download