Analysis

  • max time kernel
    0s
  • max time network
    107s
  • 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 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 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\330ef71ad71267a0eb80fcc149121052.ps1
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2024
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "{path}"
      2⤵
        PID:5076
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5076 -s 1108
          3⤵
          • Program crash
          PID:4484
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5076 -ip 5076
      1⤵
        PID:3944

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qw34qfzf.qmm.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • memory/2024-9-0x0000027BFC5F0000-0x0000027BFC612000-memory.dmp

        Filesize

        136KB

      • memory/2024-12-0x0000027BF9D40000-0x0000027BF9D50000-memory.dmp

        Filesize

        64KB

      • memory/2024-11-0x0000027BF9D40000-0x0000027BF9D50000-memory.dmp

        Filesize

        64KB

      • memory/2024-10-0x00007FFB39C30000-0x00007FFB3A6F1000-memory.dmp

        Filesize

        10.8MB

      • memory/2024-13-0x0000027BFC620000-0x0000027BFC62A000-memory.dmp

        Filesize

        40KB

      • memory/2024-18-0x00007FFB39C30000-0x00007FFB3A6F1000-memory.dmp

        Filesize

        10.8MB

      • memory/5076-19-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB

      • memory/5076-17-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB

      • memory/5076-20-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB

      • memory/5076-14-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB

      • memory/5076-23-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB