oski | 9eb716d43c7e136fceac9078a59349c604029821a7f9b62f180ac19a780990fa

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2023 04:04

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General

Target

2768710190533867f46996fddc060622.ps1
Size

485KB
MD5

2768710190533867f46996fddc060622
SHA1

2d7e320e6e89e349aa490f5514fd622a0440ed3e
SHA256

9eb716d43c7e136fceac9078a59349c604029821a7f9b62f180ac19a780990fa
SHA512

577999277080291215d7a2801f4b1dc909f5d101d5e577a3c473fdc40a9ad8946282959a5be3fa0487efc822172f9fe3d3ed87cc2f06261980890f5818e1fc05
SSDEEP

12288:+Zjw0RJ9u5ILYDxD3fxYehza/tw64sigu:q3Ju

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

/103.114.107.28/l2323/

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 2956 set thread context of 1592	2956	powershell.exe	89

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4480	1592	WerFault.exe	89

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2956	powershell.exe
2956	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2956	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2956 wrote to memory of 1592	2956	powershell.exe	89
PID 2956 wrote to memory of 1592	2956	powershell.exe	89
PID 2956 wrote to memory of 1592	2956	powershell.exe	89
PID 2956 wrote to memory of 1592	2956	powershell.exe	89
PID 2956 wrote to memory of 1592	2956	powershell.exe	89
PID 2956 wrote to memory of 1592	2956	powershell.exe	89
PID 2956 wrote to memory of 1592	2956	powershell.exe	89
PID 2956 wrote to memory of 1592	2956	powershell.exe	89
PID 2956 wrote to memory of 1592	2956	powershell.exe	89

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\2768710190533867f46996fddc060622.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2956
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  #cmd
  2⤵
  PID:1592
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1592 -s 1100
    3⤵
    - Program crash
    PID:4480

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1592 -ip 1592
1⤵
PID:5108

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_moc51nsg.rxb.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1592-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1592-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1592-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1592-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1592-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2956-11-0x000001FBC8EF0000-0x000001FBC8F00000-memory.dmp

Filesize
64KB

Download
memory/2956-14-0x000001FBC8ED0000-0x000001FBC8EE2000-memory.dmp

Filesize
72KB

Download
memory/2956-13-0x000001FBC8EF0000-0x000001FBC8F00000-memory.dmp

Filesize
64KB

Download
memory/2956-12-0x000001FBC8EF0000-0x000001FBC8F00000-memory.dmp

Filesize
64KB

Download
memory/2956-20-0x00007FF95EE10000-0x00007FF95F8D1000-memory.dmp

Filesize
10.8MB

Download
memory/2956-10-0x00007FF95EE10000-0x00007FF95F8D1000-memory.dmp

Filesize
10.8MB

Download
memory/2956-5-0x000001FBE3380000-0x000001FBE33A2000-memory.dmp

Filesize
136KB

Download