Analysis

  • max time kernel
    115s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-09-2024 14:06

General

  • Target

    file.exe

  • Size

    416KB

  • MD5

    f5d7b79ee6b6da6b50e536030bcc3b59

  • SHA1

    751b555a8eede96d55395290f60adc43b28ba5e2

  • SHA256

    2f1aff28961ba0ce85ea0e35b8936bc387f84f459a4a1d63d964ce79e34b8459

  • SHA512

    532b17cd2a6ac5172b1ddba1e63edd51ab53a4527204415241e3a78e8ffeb9728071bde5ae1eefabefd2627f00963f8a5458668cd7b8df041c8683252ff56b46

  • SSDEEP

    12288:ISqMakU3v+GYLWIjD9dSbvBG5u2uQjdQco:jq53v+G4Wwub8Ljaco

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Drops file in Windows directory 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4820
    • C:\Users\Admin\AppData\Local\Temp\054fdc5f70\Hkbsse.exe
      "C:\Users\Admin\AppData\Local\Temp\054fdc5f70\Hkbsse.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3896
  • C:\Users\Admin\AppData\Local\Temp\054fdc5f70\Hkbsse.exe
    C:\Users\Admin\AppData\Local\Temp\054fdc5f70\Hkbsse.exe
    1⤵
    • Executes dropped EXE
    PID:540
  • C:\Users\Admin\AppData\Local\Temp\054fdc5f70\Hkbsse.exe
    C:\Users\Admin\AppData\Local\Temp\054fdc5f70\Hkbsse.exe
    1⤵
    • Executes dropped EXE
    PID:1828

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\054fdc5f70\Hkbsse.exe

    Filesize

    416KB

    MD5

    f5d7b79ee6b6da6b50e536030bcc3b59

    SHA1

    751b555a8eede96d55395290f60adc43b28ba5e2

    SHA256

    2f1aff28961ba0ce85ea0e35b8936bc387f84f459a4a1d63d964ce79e34b8459

    SHA512

    532b17cd2a6ac5172b1ddba1e63edd51ab53a4527204415241e3a78e8ffeb9728071bde5ae1eefabefd2627f00963f8a5458668cd7b8df041c8683252ff56b46