Analysis

  • max time kernel
    132s
  • max time network
    157s
  • 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 13:00

General

  • Target

    94e73932bf2784e31572c764f982d4d0.ps1

  • Size

    656KB

  • MD5

    94e73932bf2784e31572c764f982d4d0

  • SHA1

    73a644b56f6f279596b4fcece37214d50cabbb8d

  • SHA256

    0bed22946ec72f99934b49d8c96259617e09f598f94c423178425fbe23fa0a80

  • SHA512

    e1c57443dc543264337095df291a0b0b5e69d0e7c359b0ea01cddbb9b3e176d57a07198ff8086a11d7e44a066983831d895a0d7fdd0fbe24e65a94039e0deb43

  • SSDEEP

    12288:EZjw0RJ9u5ILYDxD3fxYehza/tw6448TVkc5A+:g38Tmr+

Score
10/10

Malware Config

Extracted

Family

oski

C2

/103.114.107.28/l22/

Signatures

  • Oski

    Oski is an infostealer targeting browser data, crypto wallets.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\94e73932bf2784e31572c764f982d4d0.ps1
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2148
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
      #cmd
      2⤵
        PID:2376
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2376 -s 1100
          3⤵
          • Program crash
          PID:2552
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2376 -ip 2376
      1⤵
        PID:916

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_iabrvw2o.hbs.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • memory/2148-38-0x000002B47F450000-0x000002B47F470000-memory.dmp

        Filesize

        128KB

      • memory/2148-30-0x000002B47F450000-0x000002B47F470000-memory.dmp

        Filesize

        128KB

      • memory/2148-11-0x000002B47B140000-0x000002B47B150000-memory.dmp

        Filesize

        64KB

      • memory/2148-13-0x000002B47B140000-0x000002B47B150000-memory.dmp

        Filesize

        64KB

      • memory/2148-15-0x000002B47F450000-0x000002B47F470000-memory.dmp

        Filesize

        128KB

      • memory/2148-14-0x000002B47F450000-0x000002B47F476000-memory.dmp

        Filesize

        152KB

      • memory/2148-20-0x000002B47F450000-0x000002B47F470000-memory.dmp

        Filesize

        128KB

      • memory/2148-55-0x000002B47F0B0000-0x000002B47F0B1000-memory.dmp

        Filesize

        4KB

      • memory/2148-34-0x000002B47F450000-0x000002B47F470000-memory.dmp

        Filesize

        128KB

      • memory/2148-50-0x000002B47F450000-0x000002B47F470000-memory.dmp

        Filesize

        128KB

      • memory/2148-54-0x000002B47F450000-0x000002B47F470000-memory.dmp

        Filesize

        128KB

      • memory/2148-52-0x000002B47F450000-0x000002B47F470000-memory.dmp

        Filesize

        128KB

      • memory/2148-16-0x000002B47F450000-0x000002B47F470000-memory.dmp

        Filesize

        128KB

      • memory/2148-61-0x00007FFDF7A10000-0x00007FFDF84D1000-memory.dmp

        Filesize

        10.8MB

      • memory/2148-18-0x000002B47F450000-0x000002B47F470000-memory.dmp

        Filesize

        128KB

      • memory/2148-22-0x000002B47F450000-0x000002B47F470000-memory.dmp

        Filesize

        128KB

      • memory/2148-10-0x00007FFDF7A10000-0x00007FFDF84D1000-memory.dmp

        Filesize

        10.8MB

      • memory/2148-12-0x000002B47B140000-0x000002B47B150000-memory.dmp

        Filesize

        64KB

      • memory/2148-44-0x000002B47F450000-0x000002B47F470000-memory.dmp

        Filesize

        128KB

      • memory/2148-48-0x000002B47F450000-0x000002B47F470000-memory.dmp

        Filesize

        128KB

      • memory/2148-46-0x000002B47F450000-0x000002B47F470000-memory.dmp

        Filesize

        128KB

      • memory/2148-42-0x000002B47F450000-0x000002B47F470000-memory.dmp

        Filesize

        128KB

      • memory/2148-40-0x000002B47F450000-0x000002B47F470000-memory.dmp

        Filesize

        128KB

      • memory/2148-9-0x000002B47F0C0000-0x000002B47F0E2000-memory.dmp

        Filesize

        136KB

      • memory/2148-36-0x000002B47F450000-0x000002B47F470000-memory.dmp

        Filesize

        128KB

      • memory/2148-32-0x000002B47F450000-0x000002B47F470000-memory.dmp

        Filesize

        128KB

      • memory/2148-28-0x000002B47F450000-0x000002B47F470000-memory.dmp

        Filesize

        128KB

      • memory/2148-26-0x000002B47F450000-0x000002B47F470000-memory.dmp

        Filesize

        128KB

      • memory/2148-24-0x000002B47F450000-0x000002B47F470000-memory.dmp

        Filesize

        128KB

      • memory/2376-58-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB

      • memory/2376-62-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB

      • memory/2376-60-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB

      • memory/2376-56-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB

      • memory/2376-65-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB