Analysis

  • max time kernel
    101s
  • max time network
    104s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250502-en
  • resource tags

    arch:x64arch:x86image:win11-20250502-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    29/05/2025, 11:04

General

  • Target

    2025-05-29_91281c639b97d27495b73111e2efc826_elex_gandcrab.exe

  • Size

    70KB

  • MD5

    91281c639b97d27495b73111e2efc826

  • SHA1

    d3ee5a4e9e89016a4401b2a6efadfc02ca777a1c

  • SHA256

    b5505ad9f45095842bd7da651e834f26662bc86070e2d04f307fe71fd7a0a310

  • SHA512

    e782ec9634632140df754835c2a857f432a161d69d3612ae40d06c1c7971fa2435c808cc7b72f3615ee4abc726e31fd5d3b4e64c48b9fb6aafbbf922adf28e7b

  • SSDEEP

    1536:4ZZZZZZZZZZZZpXzzzzzzzzzzzzADypczUk+lkZJngWMqqU+2bbbAV2/S2OvvdZl:3d5BJHMqqDL2/Ovvdr

Malware Config

Signatures

  • GandCrab payload 3 IoCs
  • Gandcrab

    Gandcrab is a Trojan horse that encrypts files on a computer.

  • Gandcrab family
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • 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.

  • Checks processor information in registry 2 TTPs 6 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-05-29_91281c639b97d27495b73111e2efc826_elex_gandcrab.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-05-29_91281c639b97d27495b73111e2efc826_elex_gandcrab.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:1252
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\2025-05-29_91281c639b97d27495b73111e2efc826_elex_gandcrab.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4380
    • C:\Users\Admin\AppData\Local\Temp\2025-05-29_91281c639b97d27495b73111e2efc826_elex_gandcrab.exe
      C:\Users\Admin\AppData\Local\Temp\2025-05-29_91281c639b97d27495b73111e2efc826_elex_gandcrab.exe
      2⤵
      • Adds Run key to start application
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:3560

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        • memory/1252-0-0x000000000FC60000-0x000000000FC76AF4-memory.dmp

          Filesize

          90KB

        • memory/1252-3-0x000000000FC60000-0x000000000FC76AF4-memory.dmp

          Filesize

          90KB

        • memory/3560-4-0x000000000FC60000-0x000000000FC76AF4-memory.dmp

          Filesize

          90KB