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Analysis

  • max time kernel
    151s
  • max time network
    74s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    12/02/2023, 15:28

General

  • Target

    d8cdfdcc92477b552ebd53675df5b8c9261028fb.exe

  • Size

    3.8MB

  • MD5

    76142ae6bc689eb649429cdac475a0fc

  • SHA1

    d8cdfdcc92477b552ebd53675df5b8c9261028fb

  • SHA256

    a9362abacf731d794e89fd78a5a0c47e68713c180319cbb9d8a6042bbaa95100

  • SHA512

    3255a36f76403700af979ddf07d950a6f1496f071fb2a13adfb7627961dafd0d43df3fb425bb68a10ad2ad32192b2bb5e4699de56086f9902992005c798da453

  • SSDEEP

    49152:Wx211wH2PLA5SSRLRG/nMPEZEHyTM7wdOYv:e2EH2Db67wAy

Score
7/10

Malware Config

Signatures

  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates connected drives 3 TTPs 48 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d8cdfdcc92477b552ebd53675df5b8c9261028fb.exe
    "C:\Users\Admin\AppData\Local\Temp\d8cdfdcc92477b552ebd53675df5b8c9261028fb.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • Enumerates connected drives
    • Suspicious use of WriteProcessMemory
    PID:1128
    • C:\Users\Admin\Documen\nod42.exe
      "C:\Users\Admin\Documen\nod42.exe"
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      PID:1452

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\Documen\nod42.exe

    Filesize

    3.8MB

    MD5

    76142ae6bc689eb649429cdac475a0fc

    SHA1

    d8cdfdcc92477b552ebd53675df5b8c9261028fb

    SHA256

    a9362abacf731d794e89fd78a5a0c47e68713c180319cbb9d8a6042bbaa95100

    SHA512

    3255a36f76403700af979ddf07d950a6f1496f071fb2a13adfb7627961dafd0d43df3fb425bb68a10ad2ad32192b2bb5e4699de56086f9902992005c798da453

  • \Users\Admin\Documen\nod42.exe

    Filesize

    3.8MB

    MD5

    76142ae6bc689eb649429cdac475a0fc

    SHA1

    d8cdfdcc92477b552ebd53675df5b8c9261028fb

    SHA256

    a9362abacf731d794e89fd78a5a0c47e68713c180319cbb9d8a6042bbaa95100

    SHA512

    3255a36f76403700af979ddf07d950a6f1496f071fb2a13adfb7627961dafd0d43df3fb425bb68a10ad2ad32192b2bb5e4699de56086f9902992005c798da453

  • memory/1128-54-0x0000000075BA1000-0x0000000075BA3000-memory.dmp

    Filesize

    8KB