Analysis

  • max time kernel
    94s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-10-2024 20:40

General

  • Target

    3c9c9493f0fc436d8cfd2c132e876ec3542b8b0a5ae099f421b0c15141d1d69dN.exe

  • Size

    282KB

  • MD5

    e42bc6567a8f17ea72e74c5c03c86850

  • SHA1

    389a523e9b28de80c0ae1dd5b18680bb95982446

  • SHA256

    3c9c9493f0fc436d8cfd2c132e876ec3542b8b0a5ae099f421b0c15141d1d69d

  • SHA512

    bdac05fb85c6cb36c726bfd240d8393b64624b0b5ec568bcc7fd511e365778be5d0f5258e7ec6e95f90e6dedd392a76b3d876335fa28e4bcc91b42385a008a1c

  • SSDEEP

    6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66fKkfMu:boSeGUA5YZazpXUmZhZ6SS

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\3c9c9493f0fc436d8cfd2c132e876ec3542b8b0a5ae099f421b0c15141d1d69dN.exe
    "C:\Users\Admin\AppData\Local\Temp\3c9c9493f0fc436d8cfd2c132e876ec3542b8b0a5ae099f421b0c15141d1d69dN.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4328
    • 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:320
      • C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
        "C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
        3⤵
          PID:3736

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      282KB

      MD5

      a71f2a6e49ff19d72d16dc720bcf5c72

      SHA1

      412abe1e6d6c13fcba7eef16b5245a038da07b25

      SHA256

      e5f3a2a57020de8d66562eba2d89bacbaa8c8624e56b44bc8373caf13d9efe49

      SHA512

      623b4785d3231a179428801917e72822a0713200999430b6a90ff92ba70dd173396ea5a78fdd2a706d551cbe7d4e15a0594de5af913d406ebee4e864c661abd3

    • memory/320-27-0x0000000074760000-0x0000000074D11000-memory.dmp

      Filesize

      5.7MB

    • memory/320-25-0x0000000074760000-0x0000000074D11000-memory.dmp

      Filesize

      5.7MB

    • memory/320-24-0x0000000074760000-0x0000000074D11000-memory.dmp

      Filesize

      5.7MB

    • memory/320-23-0x0000000074760000-0x0000000074D11000-memory.dmp

      Filesize

      5.7MB

    • memory/320-21-0x0000000074760000-0x0000000074D11000-memory.dmp

      Filesize

      5.7MB

    • memory/4328-3-0x0000000074760000-0x0000000074D11000-memory.dmp

      Filesize

      5.7MB

    • memory/4328-7-0x0000000074760000-0x0000000074D11000-memory.dmp

      Filesize

      5.7MB

    • memory/4328-6-0x0000000074760000-0x0000000074D11000-memory.dmp

      Filesize

      5.7MB

    • memory/4328-5-0x0000000074760000-0x0000000074D11000-memory.dmp

      Filesize

      5.7MB

    • memory/4328-22-0x0000000074760000-0x0000000074D11000-memory.dmp

      Filesize

      5.7MB

    • memory/4328-4-0x0000000074762000-0x0000000074763000-memory.dmp

      Filesize

      4KB

    • memory/4328-0-0x0000000074762000-0x0000000074763000-memory.dmp

      Filesize

      4KB

    • memory/4328-2-0x0000000074760000-0x0000000074D11000-memory.dmp

      Filesize

      5.7MB

    • memory/4328-1-0x0000000074760000-0x0000000074D11000-memory.dmp

      Filesize

      5.7MB