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Analysis

  • max time kernel
    93s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/08/2024, 21:34

General

  • Target

    0659298a54d84690d0ecf923f2503ec0N.exe

  • Size

    493KB

  • MD5

    0659298a54d84690d0ecf923f2503ec0

  • SHA1

    1d575c84193f5fa126f89cd7f33ebf9095e7c938

  • SHA256

    1a5656db61d8652946ae0a2e2cff8e0dba77f82d971c1663dae7dfa80eace094

  • SHA512

    e6b6ba09afae365c012885383b2d6dfe566d06e58d97f5df1362dfb9026ce14f58fcaad11cb75d3ee2a5771b24a26342e0cb124770c1bf62a2ae1fa52c346943

  • SSDEEP

    12288:0B+RDcOLH4fpWXNVLtUboZ2vk0u0V532JhU1wr4BjWmDt:0BQcOLH4fwecj42JhfWj5B

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\0659298a54d84690d0ecf923f2503ec0N.exe
    "C:\Users\Admin\AppData\Local\Temp\0659298a54d84690d0ecf923f2503ec0N.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:2104
    • C:\Users\Admin\AppData\Local\Temp\n1350\s1350.exe
      "C:\Users\Admin\AppData\Local\Temp\n1350\s1350.exe" ins.exe /e11781036 /u50b892e5-d96c-476b-834e-555c5bc06f2f /v"C:\Users\Admin\AppData\Local\Temp\0659298a54d84690d0ecf923f2503ec0N.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:2072
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2104 -s 4476
      2⤵
      • Program crash
      PID:1820
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2104 -ip 2104
    1⤵
      PID:1528

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\n1350\s1350.exe

      Filesize

      269KB

      MD5

      ad76cab590ec4c1d3008589d2d2eb052

      SHA1

      3fd9b837fd4a078411c0958a41b1adb321e1016a

      SHA256

      a2111f7d4b36800e840b63573fcb044ea18fb4bc3fef2b8f2724d0d4b5e6c51a

      SHA512

      b8f6695a4c4c18046fb3da55f5c6d1fd60b4e90d8952bceb27296da1a522a97a829494bab103375595a599c602d337926270f2422401678af8d5393490e53432

    • memory/2072-11-0x00007FFD80E55000-0x00007FFD80E56000-memory.dmp

      Filesize

      4KB

    • memory/2072-12-0x00007FFD80BA0000-0x00007FFD81541000-memory.dmp

      Filesize

      9.6MB

    • memory/2072-13-0x000000001B370000-0x000000001B37A000-memory.dmp

      Filesize

      40KB

    • memory/2072-14-0x00007FFD80BA0000-0x00007FFD81541000-memory.dmp

      Filesize

      9.6MB

    • memory/2072-17-0x000000001BAF0000-0x000000001BFBE000-memory.dmp

      Filesize

      4.8MB

    • memory/2072-18-0x000000001C060000-0x000000001C0FC000-memory.dmp

      Filesize

      624KB

    • memory/2072-19-0x0000000000D80000-0x0000000000D88000-memory.dmp

      Filesize

      32KB

    • memory/2072-20-0x00007FFD80BA0000-0x00007FFD81541000-memory.dmp

      Filesize

      9.6MB

    • memory/2072-21-0x00007FFD80BA0000-0x00007FFD81541000-memory.dmp

      Filesize

      9.6MB

    • memory/2072-22-0x00007FFD80BA0000-0x00007FFD81541000-memory.dmp

      Filesize

      9.6MB

    • memory/2072-23-0x00007FFD80BA0000-0x00007FFD81541000-memory.dmp

      Filesize

      9.6MB

    • memory/2072-24-0x000000001D6E0000-0x000000001D742000-memory.dmp

      Filesize

      392KB

    • memory/2072-25-0x000000001FAD0000-0x000000001FC0C000-memory.dmp

      Filesize

      1.2MB

    • memory/2072-26-0x0000000020120000-0x000000002062E000-memory.dmp

      Filesize

      5.1MB

    • memory/2072-27-0x00007FFD80BA0000-0x00007FFD81541000-memory.dmp

      Filesize

      9.6MB

    • memory/2072-29-0x00007FFD80BA0000-0x00007FFD81541000-memory.dmp

      Filesize

      9.6MB