Analysis

  • max time kernel
    109s
  • max time network
    117s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-07-2024 03:57

General

  • Target

    8d2c3399e54a887cdd06daef2befca50N.exe

  • Size

    498KB

  • MD5

    8d2c3399e54a887cdd06daef2befca50

  • SHA1

    f010ced914b6582089c094f6f451d2908776bea2

  • SHA256

    6ee1623c76030589e8b3080314913aee8c2596227d8874abf469527ad3ae5fc3

  • SHA512

    19c3c767c6912b8e8e75ee48b09d6725af64aa03235b4dc596fbd8f8d178c57efbe168833075a54e89ac3bcb587b875dfb8fccc0021fc8e11ed5e1c2c932869e

  • SSDEEP

    6144:3n4bly8sbRD3AHcRkpOrA0vWmJ/N0zmIMc+UftOyPoFjdz5C49PS3DRXQ20efxuO:3nYgBND3AHc2pn0vW46jBFOujjxuJCmM

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).

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 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\8d2c3399e54a887cdd06daef2befca50N.exe
    "C:\Users\Admin\AppData\Local\Temp\8d2c3399e54a887cdd06daef2befca50N.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2960
    • C:\Users\Admin\AppData\Local\Temp\n4192\s4192.exe
      "C:\Users\Admin\AppData\Local\Temp\n4192\s4192.exe" ins.exe /e 12719512 /u 533ebb6c-9db8-444a-b409-6bf50a000013 /v "C:\Users\Admin\AppData\Local\Temp\8d2c3399e54a887cdd06daef2befca50N.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:684
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2960 -s 4468
      2⤵
      • Program crash
      PID:2696
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2960 -ip 2960
    1⤵
      PID:4900

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\n4192\s4192.exe

      Filesize

      282KB

      MD5

      29c1470cbf58838dc6a3f9d624b4527f

      SHA1

      e8d1d1306e44b47e36b03ade24deb56e98bb82d4

      SHA256

      dd056f949a90c1de581ddb0b16c5d49309cfe99926cd397fc31cff7e4895141d

      SHA512

      9e90bcd2f0ff30b035531c1fd885034f6e6763d4e566bf0a0ee5b8238fdfc62d581c6c3f4e97cf36f374e1b8597fe0b39544bb30c9b7d8802cef98cc4880bd57

    • memory/684-11-0x00007FFD6B535000-0x00007FFD6B536000-memory.dmp

      Filesize

      4KB

    • memory/684-12-0x00007FFD6B280000-0x00007FFD6BC21000-memory.dmp

      Filesize

      9.6MB

    • memory/684-13-0x00007FFD6B280000-0x00007FFD6BC21000-memory.dmp

      Filesize

      9.6MB

    • memory/684-14-0x0000000001530000-0x000000000153A000-memory.dmp

      Filesize

      40KB

    • memory/684-17-0x000000001C190000-0x000000001C65E000-memory.dmp

      Filesize

      4.8MB

    • memory/684-18-0x000000001C700000-0x000000001C79C000-memory.dmp

      Filesize

      624KB

    • memory/684-19-0x0000000001500000-0x0000000001508000-memory.dmp

      Filesize

      32KB

    • memory/684-20-0x00007FFD6B280000-0x00007FFD6BC21000-memory.dmp

      Filesize

      9.6MB

    • memory/684-21-0x00007FFD6B280000-0x00007FFD6BC21000-memory.dmp

      Filesize

      9.6MB

    • memory/684-22-0x00007FFD6B280000-0x00007FFD6BC21000-memory.dmp

      Filesize

      9.6MB

    • memory/684-23-0x00007FFD6B280000-0x00007FFD6BC21000-memory.dmp

      Filesize

      9.6MB

    • memory/684-24-0x000000001FFA0000-0x0000000020002000-memory.dmp

      Filesize

      392KB

    • memory/684-25-0x000000001D9C0000-0x000000001DAFC000-memory.dmp

      Filesize

      1.2MB

    • memory/684-26-0x00000000208C0000-0x0000000020DCE000-memory.dmp

      Filesize

      5.1MB

    • memory/684-27-0x00007FFD6B280000-0x00007FFD6BC21000-memory.dmp

      Filesize

      9.6MB

    • memory/684-28-0x00007FFD6B280000-0x00007FFD6BC21000-memory.dmp

      Filesize

      9.6MB

    • memory/684-29-0x00007FFD6B535000-0x00007FFD6B536000-memory.dmp

      Filesize

      4KB

    • memory/684-30-0x00007FFD6B280000-0x00007FFD6BC21000-memory.dmp

      Filesize

      9.6MB

    • memory/684-32-0x00007FFD6B280000-0x00007FFD6BC21000-memory.dmp

      Filesize

      9.6MB