oski | 3773c12491a4d8462144e592bd3a9746186ca41928b2443959c548cbccb45b37

Analysis

max time kernel
92s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
21-12-2023 20:44

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General

Target

0533575076d7185ba435f3d260e8b3e4.ps1
Size

485KB
MD5

0533575076d7185ba435f3d260e8b3e4
SHA1

ab887dd690c6f1880cc1c01f44296c747b36e4b0
SHA256

3773c12491a4d8462144e592bd3a9746186ca41928b2443959c548cbccb45b37
SHA512

8e472035f8d3c7740a34db8bfffac28494c87221e3d398b93cbccb6113b01c51fd964571906ee044d61a31df167727f3238b596da9f8dcd2b032bbae4a4cdfa8
SSDEEP

12288:+Zjw0RJ9u5ILYDxD3fxYehza/tw64kigu:q3Ru

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

/103.114.107.28/l1212/

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 2428 set thread context of 3204	2428	powershell.exe	89

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1684	3204	WerFault.exe	89

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2428	powershell.exe
2428	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2428	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2428 wrote to memory of 3204	2428	powershell.exe	89
PID 2428 wrote to memory of 3204	2428	powershell.exe	89
PID 2428 wrote to memory of 3204	2428	powershell.exe	89
PID 2428 wrote to memory of 3204	2428	powershell.exe	89
PID 2428 wrote to memory of 3204	2428	powershell.exe	89
PID 2428 wrote to memory of 3204	2428	powershell.exe	89
PID 2428 wrote to memory of 3204	2428	powershell.exe	89
PID 2428 wrote to memory of 3204	2428	powershell.exe	89
PID 2428 wrote to memory of 3204	2428	powershell.exe	89

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\0533575076d7185ba435f3d260e8b3e4.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2428
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  #cmd
  2⤵
  PID:3204
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3204 -s 1104
    3⤵
    - Program crash
    PID:1684

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3204 -ip 3204
1⤵
PID:1428

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_urp5xzkk.kde.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2428-14-0x0000019BAEF50000-0x0000019BAEF62000-memory.dmp

Filesize
72KB

Download
memory/2428-10-0x00007FF9773F0000-0x00007FF977EB1000-memory.dmp

Filesize
10.8MB

Download
memory/2428-11-0x0000019BAEF60000-0x0000019BAEF70000-memory.dmp

Filesize
64KB

Download
memory/2428-12-0x0000019BAEF60000-0x0000019BAEF70000-memory.dmp

Filesize
64KB

Download
memory/2428-13-0x0000019BAEF60000-0x0000019BAEF70000-memory.dmp

Filesize
64KB

Download
memory/2428-9-0x0000019BAEF20000-0x0000019BAEF42000-memory.dmp

Filesize
136KB

Download
memory/2428-18-0x00007FF9773F0000-0x00007FF977EB1000-memory.dmp

Filesize
10.8MB

Download
memory/3204-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3204-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3204-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3204-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3204-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download