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Analysis

  • max time kernel
    195s
  • max time network
    207s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/11/2022, 02:08

General

  • Target

    9a93c98b6eaeb139f9298366d409a730dfc9bb4355691f09c0504c049b31cde5.exe

  • Size

    132KB

  • MD5

    2c64d8361467cbf231225f25727b57a8

  • SHA1

    213d4e0c1a1ac045ba42870232110a2dae0af5a9

  • SHA256

    9a93c98b6eaeb139f9298366d409a730dfc9bb4355691f09c0504c049b31cde5

  • SHA512

    ed61fea00532b1019caa07b6de0c031de3f7a8405d84a18ae05bd0e7556e7ab93b71cd481c1c85c454b999d40128e92b0fadecea91bee8fb517d578562370b2d

  • SSDEEP

    1536:GZm4I/TxyVH6rM2qEbBkIvI4DyQDIws/HmmYbRdfuL0wo7JaS/:yI/TsVH63qEbBkn4e2s/HmlTf1wQd

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 54 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9a93c98b6eaeb139f9298366d409a730dfc9bb4355691f09c0504c049b31cde5.exe
    "C:\Users\Admin\AppData\Local\Temp\9a93c98b6eaeb139f9298366d409a730dfc9bb4355691f09c0504c049b31cde5.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1484
    • C:\Users\Admin\hooav.exe
      "C:\Users\Admin\hooav.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:4236

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\hooav.exe

    Filesize

    132KB

    MD5

    0680333d92cf608877c157b8d23588fe

    SHA1

    7e1fc0ff309b816d6a8078c0c7be4c6460278486

    SHA256

    87bd451d97e27aaabff303250b43af22340697e0185f0e99dda06f86b8058a1a

    SHA512

    84406200fcff30048d734b42f50fb571b9b8f77cda8dd8e3f96b8d922df2640a7611eec846b1d8019dce886860715ca37112efe66a92315375c16ddbe9a16a7d

  • C:\Users\Admin\hooav.exe

    Filesize

    132KB

    MD5

    0680333d92cf608877c157b8d23588fe

    SHA1

    7e1fc0ff309b816d6a8078c0c7be4c6460278486

    SHA256

    87bd451d97e27aaabff303250b43af22340697e0185f0e99dda06f86b8058a1a

    SHA512

    84406200fcff30048d734b42f50fb571b9b8f77cda8dd8e3f96b8d922df2640a7611eec846b1d8019dce886860715ca37112efe66a92315375c16ddbe9a16a7d