Analysis

  • max time kernel
    148s
  • max time network
    130s
  • 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 16:42

General

  • Target

    f732f398ed8470ab3d7026e8efcea306.ps1

  • Size

    485KB

  • MD5

    f732f398ed8470ab3d7026e8efcea306

  • SHA1

    464cea61f64d583e42065f54b6242d361ffdd2b0

  • SHA256

    3020a2995a18515860d4530d32cdecf88c04d14bd0d548b9d61302a572f8efc1

  • SHA512

    b8b9c1bde2a70acbd9c7188d7162ba5fb6c808e676ccc370a9babb450449602f383d2d47c8280bb33f0067279175d36e27d0416d34b1210229370024c06683a2

  • SSDEEP

    12288:+Zjw0RJ9u5ILYDxD3fxYehza/tw64Migu:q3pu

Score
10/10

Malware Config

Extracted

Family

oski

C2

/103.114.107.28/l3030/

Signatures

  • Oski

    Oski is an infostealer targeting browser data, crypto wallets.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\f732f398ed8470ab3d7026e8efcea306.ps1
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2252
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      #cmd
      2⤵
        PID:3748
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3748 -s 932
          3⤵
          • Program crash
          PID:3464
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        #cmd
        2⤵
          PID:3168
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3748 -ip 3748
        1⤵
          PID:4248

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0gd2ttxz.mvq.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • memory/2252-9-0x000001813F4C0000-0x000001813F4E2000-memory.dmp

          Filesize

          136KB

        • memory/2252-10-0x00007FFE27BA0000-0x00007FFE28661000-memory.dmp

          Filesize

          10.8MB

        • memory/2252-11-0x000001813EAA0000-0x000001813EAB0000-memory.dmp

          Filesize

          64KB

        • memory/2252-12-0x000001813EAA0000-0x000001813EAB0000-memory.dmp

          Filesize

          64KB

        • memory/2252-13-0x000001813EBD0000-0x000001813EBE2000-memory.dmp

          Filesize

          72KB

        • memory/2252-18-0x00007FFE27BA0000-0x00007FFE28661000-memory.dmp

          Filesize

          10.8MB

        • memory/3748-14-0x0000000000400000-0x0000000000438000-memory.dmp

          Filesize

          224KB

        • memory/3748-17-0x0000000000400000-0x0000000000438000-memory.dmp

          Filesize

          224KB

        • memory/3748-20-0x0000000000400000-0x0000000000438000-memory.dmp

          Filesize

          224KB

        • memory/3748-19-0x0000000000400000-0x0000000000438000-memory.dmp

          Filesize

          224KB

        • memory/3748-23-0x0000000000400000-0x0000000000438000-memory.dmp

          Filesize

          224KB