Analysis

  • max time kernel
    145s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-02-2024 14:48

General

  • Target

    92444933697fb73b97c1cc1029fd5d90.ps1

  • Size

    656KB

  • MD5

    92444933697fb73b97c1cc1029fd5d90

  • SHA1

    a651e876aecda3bea0ff93161da116cc99d694f5

  • SHA256

    dd292da794d6c9afb8ea5e136c7b23ff61aa913ff2f451fa5c6b268c74714f60

  • SHA512

    18c71e38426b61cb1c2c6a3eab91e92c44a9e4e95a639da03657fd878435a3e3d20c9bf8c1fb590a31fd9908a9b9fbdb9e50a6c034390f29f3719b9768411d03

  • SSDEEP

    12288:EZjw0RJ9u5ILYDxD3fxYehza/tw64s8TVkc5A+:g3wTmr+

Score
10/10

Malware Config

Extracted

Family

oski

C2

/103.114.107.28/l2323/

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\92444933697fb73b97c1cc1029fd5d90.ps1
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4120
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
      #cmd
      2⤵
        PID:376
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 376 -s 1100
          3⤵
          • Program crash
          PID:3472
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 376 -ip 376
      1⤵
        PID:4328

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vpwxesua.wb0.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • memory/376-55-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB

      • memory/376-65-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB

      • memory/376-61-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB

      • memory/376-62-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB

      • memory/376-59-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB

      • memory/4120-45-0x0000020C20770000-0x0000020C20790000-memory.dmp

        Filesize

        128KB

      • memory/4120-37-0x0000020C20770000-0x0000020C20790000-memory.dmp

        Filesize

        128KB

      • memory/4120-41-0x0000020C20770000-0x0000020C20790000-memory.dmp

        Filesize

        128KB

      • memory/4120-13-0x0000020C20770000-0x0000020C20796000-memory.dmp

        Filesize

        152KB

      • memory/4120-12-0x0000020C1E380000-0x0000020C1E390000-memory.dmp

        Filesize

        64KB

      • memory/4120-10-0x00007FFC87130000-0x00007FFC87BF1000-memory.dmp

        Filesize

        10.8MB

      • memory/4120-60-0x00007FFC87130000-0x00007FFC87BF1000-memory.dmp

        Filesize

        10.8MB

      • memory/4120-58-0x0000020C1E380000-0x0000020C1E390000-memory.dmp

        Filesize

        64KB

      • memory/4120-53-0x0000020C20770000-0x0000020C20790000-memory.dmp

        Filesize

        128KB

      • memory/4120-51-0x0000020C20770000-0x0000020C20790000-memory.dmp

        Filesize

        128KB

      • memory/4120-49-0x0000020C20770000-0x0000020C20790000-memory.dmp

        Filesize

        128KB

      • memory/4120-47-0x0000020C20770000-0x0000020C20790000-memory.dmp

        Filesize

        128KB

      • memory/4120-11-0x0000020C1E380000-0x0000020C1E390000-memory.dmp

        Filesize

        64KB

      • memory/4120-43-0x0000020C20770000-0x0000020C20790000-memory.dmp

        Filesize

        128KB

      • memory/4120-39-0x0000020C20770000-0x0000020C20790000-memory.dmp

        Filesize

        128KB

      • memory/4120-54-0x0000020C20790000-0x0000020C20791000-memory.dmp

        Filesize

        4KB

      • memory/4120-35-0x0000020C20770000-0x0000020C20790000-memory.dmp

        Filesize

        128KB

      • memory/4120-33-0x0000020C20770000-0x0000020C20790000-memory.dmp

        Filesize

        128KB

      • memory/4120-31-0x0000020C20770000-0x0000020C20790000-memory.dmp

        Filesize

        128KB

      • memory/4120-29-0x0000020C20770000-0x0000020C20790000-memory.dmp

        Filesize

        128KB

      • memory/4120-27-0x0000020C20770000-0x0000020C20790000-memory.dmp

        Filesize

        128KB

      • memory/4120-25-0x0000020C20770000-0x0000020C20790000-memory.dmp

        Filesize

        128KB

      • memory/4120-23-0x0000020C20770000-0x0000020C20790000-memory.dmp

        Filesize

        128KB

      • memory/4120-21-0x0000020C20770000-0x0000020C20790000-memory.dmp

        Filesize

        128KB

      • memory/4120-19-0x0000020C20770000-0x0000020C20790000-memory.dmp

        Filesize

        128KB

      • memory/4120-17-0x0000020C20770000-0x0000020C20790000-memory.dmp

        Filesize

        128KB

      • memory/4120-15-0x0000020C20770000-0x0000020C20790000-memory.dmp

        Filesize

        128KB

      • memory/4120-14-0x0000020C20770000-0x0000020C20790000-memory.dmp

        Filesize

        128KB

      • memory/4120-5-0x0000020C20440000-0x0000020C20462000-memory.dmp

        Filesize

        136KB

      • memory/4120-66-0x0000020C1E380000-0x0000020C1E390000-memory.dmp

        Filesize

        64KB