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Analysis

  • max time kernel
    119s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    06/04/2024, 21:56

General

  • Target

    6a1dfa83de4d60c09fc0aa5809d0c695c02e4f2cc27a861e75f686325d54c476.exe

  • Size

    112KB

  • MD5

    94a142e964fe99275a4154e73e2f6d9e

  • SHA1

    2301d5ec286e48a3ab2d6827dc0a2f0519dfacff

  • SHA256

    6a1dfa83de4d60c09fc0aa5809d0c695c02e4f2cc27a861e75f686325d54c476

  • SHA512

    4b7704b16b9fd81f77378e016a8509ebd0ca47811555d7c05a1043a00303f428725cbfbcaf377f62c1ca81e8bdbee8b5530ccc56cda9eebefd9aa0f1ce935812

  • SSDEEP

    3072:bigRqGiY/IA8wD5iZ4gKczBxGV6+UIXlaMA+uzlCP:yw/IFwDox+UGg5XzlCP

Score
9/10

Malware Config

Signatures

  • Detects executables built or packed with MPress PE compressor 4 IoCs
  • Modifies AppInit DLL entries 2 TTPs
  • Executes dropped EXE 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6a1dfa83de4d60c09fc0aa5809d0c695c02e4f2cc27a861e75f686325d54c476.exe
    "C:\Users\Admin\AppData\Local\Temp\6a1dfa83de4d60c09fc0aa5809d0c695c02e4f2cc27a861e75f686325d54c476.exe"
    1⤵
    • Drops file in Program Files directory
    PID:1932
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {3ED2D991-848E-479D-BF56-6FBCAEBA318E} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1760
    • C:\PROGRA~3\Mozilla\tbckyxk.exe
      C:\PROGRA~3\Mozilla\tbckyxk.exe -gqpcbye
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      PID:1664

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~3\Mozilla\tbckyxk.exe

    Filesize

    112KB

    MD5

    585397c50bdfbdc3cac8f48d28d95c2e

    SHA1

    7e4d49a08dd5b80d604cafc6b257706ae3753a3d

    SHA256

    c1d9cefb0735008ad5db3f1e4e5d0a5135faa27896e2cda16ce8f2e881904abd

    SHA512

    af0e6084efdd9f18475513ffe33b27fb0c2eac90541c4327a848b76e2bf68c8c683cc066e2a637baf0c88c2d297825defb7109d7cf6bc137e5d2a153d95d8e8e

  • memory/1664-10-0x0000000000430000-0x000000000048B000-memory.dmp

    Filesize

    364KB

  • memory/1664-16-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/1932-0-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/1932-1-0x0000000000220000-0x000000000027B000-memory.dmp

    Filesize

    364KB

  • memory/1932-7-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB