Analysis

  • max time kernel
    98s
  • max time network
    98s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-08-2024 04:44

General

  • Target

    18d51054a11a6a436044fe91168fe600N.exe

  • Size

    281KB

  • MD5

    18d51054a11a6a436044fe91168fe600

  • SHA1

    223e4e11f578a219fcad8ee3d6505f7bb7c52a44

  • SHA256

    adc307aba3a4eb1b0ddc7658189944de7a3072dd5375c2db9ef7ed89394df328

  • SHA512

    01d2db8be91743f5c5c93a952fc5523d15cc2f7d39fb14e95e3150552ad5a11fe0e804c12d12937c2a17373f711d34808e93ba4c9ad76220bb6e3782e4626295

  • SSDEEP

    6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66fKkfK:boSeGUA5YZazpXUmZhZ6S3

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 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 WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\18d51054a11a6a436044fe91168fe600N.exe
    "C:\Users\Admin\AppData\Local\Temp\18d51054a11a6a436044fe91168fe600N.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2812
    • C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
      "C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3100
      • C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
        "C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
        3⤵
          PID:4392

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe

      Filesize

      282KB

      MD5

      379c5358547403b71a149391df0f050d

      SHA1

      923eed40910b82286e6cbd5ab4f9553b41d585ef

      SHA256

      a976bdc54626a7d0af3c7429c4e2210326714ed12d5cc9fe259eb5dce88193bf

      SHA512

      06abd358bbf233aa008d4f67de4e1772257971dc45b04bc8aefd2fb259b24029737594c9c7dab428234acd70c816658bcb81c45a1408afb4dfa1c37c6194265c

    • memory/2812-0-0x0000000075332000-0x0000000075333000-memory.dmp

      Filesize

      4KB

    • memory/2812-1-0x0000000075330000-0x00000000758E1000-memory.dmp

      Filesize

      5.7MB

    • memory/2812-2-0x0000000075330000-0x00000000758E1000-memory.dmp

      Filesize

      5.7MB

    • memory/2812-3-0x0000000075330000-0x00000000758E1000-memory.dmp

      Filesize

      5.7MB

    • memory/2812-17-0x0000000075330000-0x00000000758E1000-memory.dmp

      Filesize

      5.7MB

    • memory/3100-18-0x0000000075330000-0x00000000758E1000-memory.dmp

      Filesize

      5.7MB

    • memory/3100-19-0x0000000075330000-0x00000000758E1000-memory.dmp

      Filesize

      5.7MB

    • memory/3100-20-0x0000000075330000-0x00000000758E1000-memory.dmp

      Filesize

      5.7MB

    • memory/3100-22-0x0000000075330000-0x00000000758E1000-memory.dmp

      Filesize

      5.7MB