Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    02/10/2024, 03:06

General

  • Target

    2024-10-02_fb4c7808a22a86f19ec68422aa7a2004_cryptolocker.exe

  • Size

    70KB

  • MD5

    fb4c7808a22a86f19ec68422aa7a2004

  • SHA1

    ab8537a02c0a2536a334ae80c2360c74b10af453

  • SHA256

    32f6fb46c40d26fcd162b5d27c350298b654f04c1c7588b3f1b06bdf27880a28

  • SHA512

    97089656c6bac9ffd2331d6dc0257d4e769eaae51e271151a83639f6dd7aa43ccf7558edc75f800419981381e63ec8136088190f47e7dedab478571583930d28

  • SSDEEP

    1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszudnYTjipvF293vaRLEbM:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7I

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-02_fb4c7808a22a86f19ec68422aa7a2004_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-02_fb4c7808a22a86f19ec68422aa7a2004_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2848
    • C:\Users\Admin\AppData\Local\Temp\hurok.exe
      "C:\Users\Admin\AppData\Local\Temp\hurok.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of UnmapMainImage
      PID:2696

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\hurok.exe

          Filesize

          70KB

          MD5

          abe8c7c2554c9dc452757da2068be932

          SHA1

          d3f2b97e14145891d94b1a17225caa5e9b6cfb77

          SHA256

          0e4906c17d6ee82de43efd043e95e9167fe8453c59d3f24098ebc9ead5dea2bf

          SHA512

          858b0db7cec0fd8f64dee55189658dcd278c1d675319ac26d06774b3a14f32447b5afe63a1748f5e99355c355a9d8bdd4651fba3ef8044277f964323be1dba83

        • memory/2696-16-0x0000000000310000-0x0000000000316000-memory.dmp

          Filesize

          24KB

        • memory/2848-1-0x0000000000400000-0x0000000000406000-memory.dmp

          Filesize

          24KB

        • memory/2848-8-0x0000000000230000-0x0000000000236000-memory.dmp

          Filesize

          24KB

        • memory/2848-0-0x0000000000230000-0x0000000000236000-memory.dmp

          Filesize

          24KB