oski | ebb3eb34385b4a892410989d1133ed0cdff8417534e2d5c8407b95923a0b35b4

Analysis

max time kernel
142s
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
22-12-2023 05:01

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General

Target

6cb56ad248abbad6b57ae9b444e05680.ps1
Size

485KB
MD5

6cb56ad248abbad6b57ae9b444e05680
SHA1

4b877bee7ec22b493bfead901ccb6ea433cb232b
SHA256

ebb3eb34385b4a892410989d1133ed0cdff8417534e2d5c8407b95923a0b35b4
SHA512

1d25eeabdc288ef0108e4307fa30815c261e6b4997f3dab5687520a738818203dc129c8eeecf03ae5ebe31209f628b762e1b997f00a72e47df76bde78a707fbc
SSDEEP

12288:+Zjw0RJ9u5ILYDxD3fxYehza/tw64cigu:q3pu

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

/103.114.107.28/l2828/

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 3052 set thread context of 2344	3052	powershell.exe	54

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1368	2344	WerFault.exe	54

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3052	powershell.exe
3052	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3052	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3052 wrote to memory of 2344	3052	powershell.exe	54
PID 3052 wrote to memory of 2344	3052	powershell.exe	54
PID 3052 wrote to memory of 2344	3052	powershell.exe	54
PID 3052 wrote to memory of 2344	3052	powershell.exe	54
PID 3052 wrote to memory of 2344	3052	powershell.exe	54
PID 3052 wrote to memory of 2344	3052	powershell.exe	54
PID 3052 wrote to memory of 2344	3052	powershell.exe	54
PID 3052 wrote to memory of 2344	3052	powershell.exe	54
PID 3052 wrote to memory of 2344	3052	powershell.exe	54

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\6cb56ad248abbad6b57ae9b444e05680.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3052
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  #cmd
  2⤵
  PID:2344
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2344 -s 1108
    3⤵
    - Program crash
    PID:1368

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2344 -ip 2344
1⤵
PID:2172

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_avd4pwyg.qgs.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2344-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2344-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2344-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2344-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2344-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3052-12-0x0000020EA5650000-0x0000020EA5660000-memory.dmp

Filesize
64KB

Download
memory/3052-14-0x0000020EA5C60000-0x0000020EA5C72000-memory.dmp

Filesize
72KB

Download
memory/3052-18-0x00007FFCCFF50000-0x00007FFCD0A11000-memory.dmp

Filesize
10.8MB

Download
memory/3052-13-0x0000020EA5650000-0x0000020EA5660000-memory.dmp

Filesize
64KB

Download
memory/3052-10-0x00007FFCCFF50000-0x00007FFCD0A11000-memory.dmp

Filesize
10.8MB

Download
memory/3052-0-0x0000020EA58D0000-0x0000020EA58F2000-memory.dmp

Filesize
136KB

Download
memory/3052-11-0x0000020EA5650000-0x0000020EA5660000-memory.dmp

Filesize
64KB

Download