Analysis

  • max time kernel
    137s
  • max time network
    174s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2023 15:36

General

  • Target

    daf543db36758a68acc7aa0dfe15bed3.ps1

  • Size

    421KB

  • MD5

    daf543db36758a68acc7aa0dfe15bed3

  • SHA1

    acc96c5db5f0eba481ff05c94744e0c4043ce46a

  • SHA256

    f20d954062ff2bc2f6d8fb07d6b8393f50ad49510811b386cef7419c295c2a84

  • SHA512

    ec93789b5d2693a286b22bc1bd58f6f5c25843bd56723deee9d54a8877902c404a84b33b065f1dc4fa3dbf17b8001a843ca80c87d4af0eba4cd333547905cd56

  • SSDEEP

    12288:+Zjw0RJ9u5ILYDxD3fxYehza/tw64aL68:q3t

Score
10/10

Malware Config

Extracted

Family

oski

C2

103.114.107.28/l17/

Signatures

  • Oski

    Oski is an infostealer targeting browser data, crypto wallets.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\daf543db36758a68acc7aa0dfe15bed3.ps1
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2180
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
      "{path}"
      2⤵
        PID:2668

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2180-26-0x000007FEF5D80000-0x000007FEF671D000-memory.dmp

      Filesize

      9.6MB

    • memory/2180-5-0x0000000002310000-0x0000000002318000-memory.dmp

      Filesize

      32KB

    • memory/2180-6-0x000007FEF5D80000-0x000007FEF671D000-memory.dmp

      Filesize

      9.6MB

    • memory/2180-7-0x000007FEF5D80000-0x000007FEF671D000-memory.dmp

      Filesize

      9.6MB

    • memory/2180-8-0x00000000029A0000-0x0000000002A20000-memory.dmp

      Filesize

      512KB

    • memory/2180-9-0x00000000029A0000-0x0000000002A20000-memory.dmp

      Filesize

      512KB

    • memory/2180-10-0x00000000029A0000-0x0000000002A20000-memory.dmp

      Filesize

      512KB

    • memory/2180-11-0x00000000027F0000-0x00000000027FA000-memory.dmp

      Filesize

      40KB

    • memory/2180-4-0x000000001B2F0000-0x000000001B5D2000-memory.dmp

      Filesize

      2.9MB

    • memory/2668-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2668-25-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2668-23-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2668-20-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2668-18-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2668-16-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2668-14-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2668-27-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2668-12-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2668-28-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB