Analysis

  • max time kernel
    118s
  • max time network
    115s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/10/2024, 04:54

General

  • Target

    9dfd9c951f243a2b233e1c3550bb769dc516ba0b933474595383ee7ae1d2cb1eN.exe

  • Size

    59KB

  • MD5

    d441db7f8d53a25cc5c6c54b973778a0

  • SHA1

    fef8d33d97a5dea872b87e4704d3f1a4da9a4c97

  • SHA256

    9dfd9c951f243a2b233e1c3550bb769dc516ba0b933474595383ee7ae1d2cb1e

  • SHA512

    92d8fd36e4a9941fcf25e20aabd31f3db7c1a4d6ec377b04bd7ec34c724585549e341022a5faa86f3655830d015dc543d01350b37719a46137fd97cbe969e47c

  • SSDEEP

    1536:3+ZgwRdiE8cO4p1xRjfTvSq5r3ZiIZ4nouy8uh1aQT:OeodiUO4p13b9HiIeoutuh1aQT

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
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9dfd9c951f243a2b233e1c3550bb769dc516ba0b933474595383ee7ae1d2cb1eN.exe
    "C:\Users\Admin\AppData\Local\Temp\9dfd9c951f243a2b233e1c3550bb769dc516ba0b933474595383ee7ae1d2cb1eN.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2388
    • C:\ProgramData\AhnLab\AhnSvc.exe
      "C:\ProgramData\AhnLab\AhnSvc.exe" /run
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:3684
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\9dfd9c951f243a2b233e1c3550bb769dc516ba0b933474595383ee7ae1d2cb1eN.exe" >> NUL
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4600

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\ProgramData\AhnLab\AhnSvc.exe

          Filesize

          59KB

          MD5

          2e180b445385f6d952051fdebb58cdce

          SHA1

          ea1e91ea7095f85415164a750c841bfbe47fab89

          SHA256

          aeacfe9d676e0303ba3cc3cb790d4e005a4b19953257f1e573298f2791ab8210

          SHA512

          4190e45c1bbf5e06aad805291788b37eb919b2307676fba4f7ab5d7309df19bff1cf2669ba12b92f496191f8762806cb98af15cc0263ed24afbc72f3c165a545

        • memory/2388-0-0x00000000004C0000-0x00000000004E7000-memory.dmp

          Filesize

          156KB

        • memory/2388-8-0x00000000004C0000-0x00000000004E7000-memory.dmp

          Filesize

          156KB

        • memory/3684-4-0x0000000000CC0000-0x0000000000CE7000-memory.dmp

          Filesize

          156KB

        • memory/3684-9-0x0000000000CC0000-0x0000000000CE7000-memory.dmp

          Filesize

          156KB

        • memory/3684-10-0x0000000000CC0000-0x0000000000CE7000-memory.dmp

          Filesize

          156KB