Analysis

  • max time kernel
    134s
  • max time network
    138s
  • 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 03:11

General

  • Target

    a4763320a093f7e11e4ecdcc45a813938a7fc27213f4769c3d70bed84af5d718.exe

  • Size

    254KB

  • MD5

    b1d091fcc52ea1414e9ff79ee5c7801a

  • SHA1

    6dab4c38bf631e201d4134824a034570b2ae88bc

  • SHA256

    a4763320a093f7e11e4ecdcc45a813938a7fc27213f4769c3d70bed84af5d718

  • SHA512

    9d1f31f8c3f821e3376d95925216537bec0888312c9f711d5ed9d47efee9a82a96bb4561458b1db151e91610bf0ae525ad53794038e3ea5a0768f57e0b48613c

  • SSDEEP

    6144:85p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ1E:EeGUA5YZazpXUmZhmE

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\a4763320a093f7e11e4ecdcc45a813938a7fc27213f4769c3d70bed84af5d718.exe
    "C:\Users\Admin\AppData\Local\Temp\a4763320a093f7e11e4ecdcc45a813938a7fc27213f4769c3d70bed84af5d718.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1520
    • 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:4348
      • C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
        "C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
        3⤵
          PID:4248

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      254KB

      MD5

      e9c30ca781935af7f24329b950b80c78

      SHA1

      1b409fdd02b135bab2d1182e206c00afe6dcdb4b

      SHA256

      d68bbc13665e2a29fea1433b829c824bc8f22922de755ff03e2e840cba8cdae9

      SHA512

      62ca3ad77637acf0412b2753f73fd6ef4f02e45dc32934d505a3cb23a22fbdfe91fa4368b3874afb6c4e0b66e3830647420c9fe921621b6f13034f9a71234ae5

    • memory/1520-4-0x0000000075432000-0x0000000075433000-memory.dmp

      Filesize

      4KB

    • memory/1520-7-0x0000000075430000-0x00000000759E1000-memory.dmp

      Filesize

      5.7MB

    • memory/1520-3-0x0000000075430000-0x00000000759E1000-memory.dmp

      Filesize

      5.7MB

    • memory/1520-0-0x0000000075432000-0x0000000075433000-memory.dmp

      Filesize

      4KB

    • memory/1520-22-0x0000000075430000-0x00000000759E1000-memory.dmp

      Filesize

      5.7MB

    • memory/1520-6-0x0000000075430000-0x00000000759E1000-memory.dmp

      Filesize

      5.7MB

    • memory/1520-2-0x0000000075430000-0x00000000759E1000-memory.dmp

      Filesize

      5.7MB

    • memory/1520-1-0x0000000075430000-0x00000000759E1000-memory.dmp

      Filesize

      5.7MB

    • memory/1520-5-0x0000000075430000-0x00000000759E1000-memory.dmp

      Filesize

      5.7MB

    • memory/4348-21-0x0000000075430000-0x00000000759E1000-memory.dmp

      Filesize

      5.7MB

    • memory/4348-23-0x0000000075430000-0x00000000759E1000-memory.dmp

      Filesize

      5.7MB

    • memory/4348-24-0x0000000075430000-0x00000000759E1000-memory.dmp

      Filesize

      5.7MB

    • memory/4348-25-0x0000000075430000-0x00000000759E1000-memory.dmp

      Filesize

      5.7MB

    • memory/4348-26-0x0000000075430000-0x00000000759E1000-memory.dmp

      Filesize

      5.7MB

    • memory/4348-27-0x0000000075430000-0x00000000759E1000-memory.dmp

      Filesize

      5.7MB

    • memory/4348-29-0x0000000075430000-0x00000000759E1000-memory.dmp

      Filesize

      5.7MB