oski | 9472ff0cd262c6be42e1dd53b1553db0e46022c3133dbeacd3d004d6bfc59bdc

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
21/03/2024, 19:56

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

dc7cce7fed750c48705f46022f2f9079.ps1
Size

421KB
MD5

dc7cce7fed750c48705f46022f2f9079
SHA1

8dd2028110b31271ae6295b378e9ba435ff124ed
SHA256

9472ff0cd262c6be42e1dd53b1553db0e46022c3133dbeacd3d004d6bfc59bdc
SHA512

db47b205be5ee7d15ddd9765eaed5e1aba8558438ef52bbb4a4324a2428cb5f4a2094fb131f821bead518b791bf0d6d4f5bf8b3112cdc46b695d8851d3e151d8
SSDEEP

12288:+Zjw0RJ9u5ILYDxD3fxYehza/tw64PL68:q3Y

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

/103.114.107.28/l34/

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 664 set thread context of 2088	664	powershell.exe	29

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2636	2088	WerFault.exe	29

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
664	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	664	powershell.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 664 wrote to memory of 2088	664	powershell.exe	29
PID 664 wrote to memory of 2088	664	powershell.exe	29
PID 664 wrote to memory of 2088	664	powershell.exe	29
PID 664 wrote to memory of 2088	664	powershell.exe	29
PID 664 wrote to memory of 2088	664	powershell.exe	29
PID 664 wrote to memory of 2088	664	powershell.exe	29
PID 664 wrote to memory of 2088	664	powershell.exe	29
PID 664 wrote to memory of 2088	664	powershell.exe	29
PID 664 wrote to memory of 2088	664	powershell.exe	29
PID 664 wrote to memory of 2088	664	powershell.exe	29
PID 2088 wrote to memory of 2636	2088	MSBuild.exe	30
PID 2088 wrote to memory of 2636	2088	MSBuild.exe	30
PID 2088 wrote to memory of 2636	2088	MSBuild.exe	30
PID 2088 wrote to memory of 2636	2088	MSBuild.exe	30

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\dc7cce7fed750c48705f46022f2f9079.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:664
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
  "{path}"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2088
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2088 -s 112
    3⤵
    - Program crash
    PID:2636

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

memory/664-22-0x000007FEF56D0000-0x000007FEF606D000-memory.dmp

Filesize
9.6MB

Download
memory/664-6-0x0000000001EF0000-0x0000000001EF8000-memory.dmp

Filesize
32KB

Download
memory/664-7-0x0000000002A30000-0x0000000002AB0000-memory.dmp

Filesize
512KB

Download
memory/664-5-0x000007FEF56D0000-0x000007FEF606D000-memory.dmp

Filesize
9.6MB

Download
memory/664-8-0x000007FEF56D0000-0x000007FEF606D000-memory.dmp

Filesize
9.6MB

Download
memory/664-9-0x0000000002A30000-0x0000000002AB0000-memory.dmp

Filesize
512KB

Download
memory/664-10-0x0000000002A30000-0x0000000002AB0000-memory.dmp

Filesize
512KB

Download
memory/664-11-0x00000000029E0000-0x00000000029EA000-memory.dmp

Filesize
40KB

Download
memory/664-4-0x000000001B790000-0x000000001BA72000-memory.dmp

Filesize
2.9MB

Download
memory/2088-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2088-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2088-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2088-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2088-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2088-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2088-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2088-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download