Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2023 00:15

General

  • Target

    330ef71ad71267a0eb80fcc149121052.ps1

  • Size

    421KB

  • MD5

    330ef71ad71267a0eb80fcc149121052

  • SHA1

    d6c7ba0885c72f7503d84467b0c537c97bd9d53b

  • SHA256

    70bfeefcd0c266f10aab2e4bd30a5e1e89509db7e6b929531018dc0b3876103f

  • SHA512

    b5b08104d14b86ac49ef2af40baee5e7a9ccb74939bbf977d6ec3fcbf124accc26c63c436346b93865085d1c84a4a51fa6476b7cbe916b9f271a791a3c2219ce

  • SSDEEP

    12288:+Zjw0RJ9u5ILYDxD3fxYehza/tw64sL68:q3H

Score
10/10

Malware Config

Extracted

Family

oski

C2

/103.114.107.28/l4040/

Signatures

  • Oski

    Oski is an infostealer targeting browser data, crypto wallets.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\330ef71ad71267a0eb80fcc149121052.ps1
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2404
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
      "{path}"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2756
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2756 -s 492
    1⤵
    • Program crash
    PID:2796

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2404-4-0x000000001B790000-0x000000001BA72000-memory.dmp

    Filesize

    2.9MB

  • memory/2404-7-0x0000000002F30000-0x0000000002FB0000-memory.dmp

    Filesize

    512KB

  • memory/2404-6-0x0000000001E00000-0x0000000001E08000-memory.dmp

    Filesize

    32KB

  • memory/2404-9-0x0000000002F30000-0x0000000002FB0000-memory.dmp

    Filesize

    512KB

  • memory/2404-8-0x000007FEF5CD0000-0x000007FEF666D000-memory.dmp

    Filesize

    9.6MB

  • memory/2404-10-0x0000000002F30000-0x0000000002FB0000-memory.dmp

    Filesize

    512KB

  • memory/2404-11-0x0000000002F30000-0x0000000002FB0000-memory.dmp

    Filesize

    512KB

  • memory/2404-5-0x000007FEF5CD0000-0x000007FEF666D000-memory.dmp

    Filesize

    9.6MB

  • memory/2404-12-0x0000000002960000-0x000000000296A000-memory.dmp

    Filesize

    40KB

  • memory/2404-27-0x000007FEF5CD0000-0x000007FEF666D000-memory.dmp

    Filesize

    9.6MB

  • memory/2756-28-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2756-26-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2756-24-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2756-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2756-21-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2756-19-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2756-17-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2756-15-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2756-13-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2756-30-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB