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Analysis

  • max time kernel
    149s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    24/02/2024, 07:19

General

  • Target

    a1452855f38bf6643d8b1415899cdcca.exe

  • Size

    152KB

  • MD5

    a1452855f38bf6643d8b1415899cdcca

  • SHA1

    686ecba96fc819d5578fe8b75d80357c25d702df

  • SHA256

    b31b11c95a5c479bbe367ce10093a6a83874bf53ac782e65dd49476fd6f8e2a7

  • SHA512

    0fbfaf068388abc582553dbebd0d277efbd6e5b256fe0fbfce9a3a88679c381b575f81e79b8eb6ce1b85d1852046c740fe0265cb6867db772f2ac27f173d7394

  • SSDEEP

    3072:L3s7vl3Po5+tTjFqV+t3DRGCKBiAKWjE5j4oQ:MQ5+t8+NDR5Aud

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 50 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a1452855f38bf6643d8b1415899cdcca.exe
    "C:\Users\Admin\AppData\Local\Temp\a1452855f38bf6643d8b1415899cdcca.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1656
    • C:\Users\Admin\gauan.exe
      "C:\Users\Admin\gauan.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:2604

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\gauan.exe

    Filesize

    152KB

    MD5

    bc4de4d52362ead9d72818b2dc483213

    SHA1

    40dfcea2ea50ea560e027504edd2587c359befdc

    SHA256

    fdceabef9ffa1e3e9bbbf23af8f1a7cad74f2ddaf6e0d5441ba923dec9d899fa

    SHA512

    2d5702c42eae6cdc9437fd91bb478d49a8eec7167e57044455fa425f5a2ba36d06dd701366997b949fd41c7cc6bd06958ac3b4548cde2577ca794062959b8544