oski | 630bd9245f6c1646f93d771c7971e66ea4b3b07155b8273403c70f1f8f823d95

Analysis

max time kernel
137s
max time network
149s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
22-12-2023 13:13

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General

Target

9c3179a6730b4c6c3a31d82f3aa2f8c3.ps1
Size

421KB
MD5

9c3179a6730b4c6c3a31d82f3aa2f8c3
SHA1

e944baff2c35d4e4fe181192e9f9a0596f34ee2a
SHA256

630bd9245f6c1646f93d771c7971e66ea4b3b07155b8273403c70f1f8f823d95
SHA512

67fab2c78240e14ee1b0aa526a113c26f6d802094a5268c8ae81dc0101286733616131a2373b61c07c9f44016e4486da48e991d31324c493b60d8d3657cc54a4
SSDEEP

12288:+Zjw0RJ9u5ILYDxD3fxYehza/tw64SL68:q3d

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

103.114.107.28/l20/

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 2996 set thread context of 2712	2996	powershell.exe	30

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2996	powershell.exe
2996	powershell.exe
2996	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2996	powershell.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2996 wrote to memory of 2740	2996	powershell.exe	29
PID 2996 wrote to memory of 2740	2996	powershell.exe	29
PID 2996 wrote to memory of 2740	2996	powershell.exe	29
PID 2996 wrote to memory of 2740	2996	powershell.exe	29
PID 2996 wrote to memory of 2712	2996	powershell.exe	30
PID 2996 wrote to memory of 2712	2996	powershell.exe	30
PID 2996 wrote to memory of 2712	2996	powershell.exe	30
PID 2996 wrote to memory of 2712	2996	powershell.exe	30
PID 2996 wrote to memory of 2712	2996	powershell.exe	30
PID 2996 wrote to memory of 2712	2996	powershell.exe	30
PID 2996 wrote to memory of 2712	2996	powershell.exe	30
PID 2996 wrote to memory of 2712	2996	powershell.exe	30
PID 2996 wrote to memory of 2712	2996	powershell.exe	30
PID 2996 wrote to memory of 2712	2996	powershell.exe	30

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\9c3179a6730b4c6c3a31d82f3aa2f8c3.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2996
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
  "{path}"
  2⤵
  PID:2740
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
  "{path}"
  2⤵
  PID:2712

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2712-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2712-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2712-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2712-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2712-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2712-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2712-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2712-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2712-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2712-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2996-11-0x00000000025B0000-0x0000000002630000-memory.dmp

Filesize
512KB

Download
memory/2996-21-0x000007FEF5020000-0x000007FEF59BD000-memory.dmp

Filesize
9.6MB

Download
memory/2996-10-0x000007FEF5020000-0x000007FEF59BD000-memory.dmp

Filesize
9.6MB

Download
memory/2996-4-0x000000001B1C0000-0x000000001B4A2000-memory.dmp

Filesize
2.9MB

Download
memory/2996-6-0x00000000025B0000-0x0000000002630000-memory.dmp

Filesize
512KB

Download
memory/2996-5-0x000007FEF5020000-0x000007FEF59BD000-memory.dmp

Filesize
9.6MB

Download
memory/2996-9-0x00000000025B0000-0x0000000002630000-memory.dmp

Filesize
512KB

Download
memory/2996-8-0x00000000025B0000-0x0000000002630000-memory.dmp

Filesize
512KB

Download
memory/2996-7-0x0000000002570000-0x0000000002578000-memory.dmp

Filesize
32KB

Download
memory/2996-12-0x000000001B130000-0x000000001B13A000-memory.dmp

Filesize
40KB

Download