Analysis

  • max time kernel
    142s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-01-2024 05:22

General

  • Target

    73d7a0dd46377cc9918cb0acea19fa69.exe

  • Size

    547KB

  • MD5

    73d7a0dd46377cc9918cb0acea19fa69

  • SHA1

    1689f97211d4a2c0315422af998ef6cc1746341d

  • SHA256

    0642fefd742e933c988b5f7c5fb8ad51bfac3da60cfaa2ad917102223842ad75

  • SHA512

    5361d02c1a71bb93aa3acd8caaac4eae0bea9aa3021a37e4664dfb66d12107cd7706aac932a07e537ace72253ee8242c2f638659e675912386ce169589d8f1a0

  • SSDEEP

    12288:T5Dt4Xuc/zb5oKwpmE6GZPaTbaezxtw6a1i+BTjAd0:Tht4XuSwpmE6GZWJt5GLBTjA+

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\73d7a0dd46377cc9918cb0acea19fa69.exe
    "C:\Users\Admin\AppData\Local\Temp\73d7a0dd46377cc9918cb0acea19fa69.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks computer location settings
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1192
    • C:\Users\Admin\AppData\Local\Temp\n5450\s5450.exe
      "C:\Users\Admin\AppData\Local\Temp\n5450\s5450.exe" f887cb31366a477206faa96agb4b7tW8TLC7SJEjk6AEwCSVfCGWtwG/6qz+CZVVVktoEJvRwA/RfufoG2r/bN0VNoJXEuJSuMFzFbDlAHPSuHYDU81fJxwean2xIE3KslgLogJ5fFDkkJVLmKDmQDu6HcB3Yxif6n+ErnXJ6rXiIGoJ /v "C:\Users\Admin\AppData\Local\Temp\73d7a0dd46377cc9918cb0acea19fa69.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4056

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n5450\s5450.exe

    Filesize

    229KB

    MD5

    c7a6d01a847a39c88efbe79e2bacd95d

    SHA1

    4422c5334f100c4f214bbc8dddb1ce6f39f962d3

    SHA256

    e0fdf7b5c67e9b22593b277b0c4e2fb03e667a1932c322f1d5cd3432fc48af29

    SHA512

    eb5acaa7da130783e1c8acf6583371edac6e4a263219ef9cb38ad6dc90a26b4d8d41542553565fa2f0e41c1c7e348fec934121233ea56bc94362f1c7544d1a6c

  • memory/4056-12-0x00007FFF42EE0000-0x00007FFF43881000-memory.dmp

    Filesize

    9.6MB

  • memory/4056-13-0x0000000000A60000-0x0000000000A70000-memory.dmp

    Filesize

    64KB

  • memory/4056-16-0x00007FFF42EE0000-0x00007FFF43881000-memory.dmp

    Filesize

    9.6MB

  • memory/4056-28-0x0000000000A20000-0x0000000000A32000-memory.dmp

    Filesize

    72KB

  • memory/4056-31-0x000000001C010000-0x000000001C4DE000-memory.dmp

    Filesize

    4.8MB

  • memory/4056-32-0x000000001C4E0000-0x000000001C57C000-memory.dmp

    Filesize

    624KB

  • memory/4056-33-0x000000001CA60000-0x000000001CAC2000-memory.dmp

    Filesize

    392KB

  • memory/4056-34-0x00007FFF42EE0000-0x00007FFF43881000-memory.dmp

    Filesize

    9.6MB

  • memory/4056-35-0x0000000000A60000-0x0000000000A70000-memory.dmp

    Filesize

    64KB

  • memory/4056-36-0x0000000000A50000-0x0000000000A58000-memory.dmp

    Filesize

    32KB

  • memory/4056-37-0x0000000000A60000-0x0000000000A70000-memory.dmp

    Filesize

    64KB

  • memory/4056-38-0x0000000000A60000-0x0000000000A70000-memory.dmp

    Filesize

    64KB

  • memory/4056-39-0x00007FFF42EE0000-0x00007FFF43881000-memory.dmp

    Filesize

    9.6MB

  • memory/4056-40-0x0000000000A60000-0x0000000000A70000-memory.dmp

    Filesize

    64KB

  • memory/4056-41-0x0000000000A60000-0x0000000000A70000-memory.dmp

    Filesize

    64KB

  • memory/4056-42-0x00000000205D0000-0x0000000020ADE000-memory.dmp

    Filesize

    5.1MB

  • memory/4056-43-0x0000000020D20000-0x0000000020E5C000-memory.dmp

    Filesize

    1.2MB

  • memory/4056-45-0x00007FFF42EE0000-0x00007FFF43881000-memory.dmp

    Filesize

    9.6MB