Analysis

  • max time kernel
    128s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-06-2024 06:31

General

  • Target

    2024-06-29_791b89f18b2fe6d871cc5681af2a78f5_mafia.exe

  • Size

    508KB

  • MD5

    791b89f18b2fe6d871cc5681af2a78f5

  • SHA1

    678167d3bc68723cb4b79814329ea874a404e038

  • SHA256

    a921843e912a1a889153fe50e6e676daf1e8d9a00f64b9c5631b31881b430c7f

  • SHA512

    03925d86ae9c71a2e65d9b13877140d8545b119f8e368cd675b5d683704cf3094e4507a9fb2138312033a6b84f87f90c90d67b8cdf9863ce1c608328d30eb03b

  • SSDEEP

    12288:Jy8RUAXZNHvLiW4LJf08YtlCvk1V10f24moBYWd0:JytAXDHvLiVM1lCcPuf249YO0

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
  • 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\2024-06-29_791b89f18b2fe6d871cc5681af2a78f5_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-29_791b89f18b2fe6d871cc5681af2a78f5_mafia.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:888
    • C:\Users\Admin\AppData\Local\Temp\n3557\s3557.exe
      "C:\Users\Admin\AppData\Local\Temp\n3557\s3557.exe" ins.exe /e5948347 /u50d1d9d5-cf90-407c-820a-35e05bc06f2f /v"C:\Users\Admin\AppData\Local\Temp\2024-06-29_791b89f18b2fe6d871cc5681af2a78f5_mafia.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:768
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 888 -s 4472
      2⤵
      • Program crash
      PID:1592
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 888 -ip 888
    1⤵
      PID:4956

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\n3557\s3557.exe

      Filesize

      275KB

      MD5

      316287c0010874356127dd8b7bc17896

      SHA1

      0939ad854954393f052f5ba64b6c4b8e03a8866b

      SHA256

      69d0557e8d695a1d44ed91b643b93a01a2fd74056dc21bf334965f5045e8f4c9

      SHA512

      1d995b5e18bdf387a42d0029d20c1f2889fa70c5bc8895df674fc83e3b49bb2acd8031966b593cff2b72438bde929a50a7558adc1df5d8cae7097b8fedb39c1c

    • memory/768-11-0x00007FFFBEB65000-0x00007FFFBEB66000-memory.dmp

      Filesize

      4KB

    • memory/768-12-0x00007FFFBE8B0000-0x00007FFFBF251000-memory.dmp

      Filesize

      9.6MB

    • memory/768-13-0x00007FFFBE8B0000-0x00007FFFBF251000-memory.dmp

      Filesize

      9.6MB

    • memory/768-14-0x0000000001A00000-0x0000000001A0A000-memory.dmp

      Filesize

      40KB

    • memory/768-17-0x000000001C4A0000-0x000000001C96E000-memory.dmp

      Filesize

      4.8MB

    • memory/768-18-0x000000001CA10000-0x000000001CAAC000-memory.dmp

      Filesize

      624KB

    • memory/768-19-0x0000000001830000-0x0000000001838000-memory.dmp

      Filesize

      32KB

    • memory/768-20-0x00007FFFBE8B0000-0x00007FFFBF251000-memory.dmp

      Filesize

      9.6MB

    • memory/768-21-0x00007FFFBE8B0000-0x00007FFFBF251000-memory.dmp

      Filesize

      9.6MB

    • memory/768-22-0x00007FFFBE8B0000-0x00007FFFBF251000-memory.dmp

      Filesize

      9.6MB

    • memory/768-23-0x00007FFFBE8B0000-0x00007FFFBF251000-memory.dmp

      Filesize

      9.6MB

    • memory/768-24-0x000000001E0A0000-0x000000001E102000-memory.dmp

      Filesize

      392KB

    • memory/768-25-0x0000000020490000-0x00000000205CC000-memory.dmp

      Filesize

      1.2MB

    • memory/768-26-0x0000000020AE0000-0x0000000020FEE000-memory.dmp

      Filesize

      5.1MB

    • memory/768-27-0x00007FFFBE8B0000-0x00007FFFBF251000-memory.dmp

      Filesize

      9.6MB

    • memory/768-28-0x00007FFFBE8B0000-0x00007FFFBF251000-memory.dmp

      Filesize

      9.6MB

    • memory/768-30-0x00007FFFBE8B0000-0x00007FFFBF251000-memory.dmp

      Filesize

      9.6MB