Analysis

  • max time kernel
    140s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/11/2024, 10:42

General

  • Target
    b430710df3b63e9edcd837584d32f1049b2413e125b57c5c233a6758b5f63932.exe
  • Size 4.8MB
  • Sample241130-mrtfpswmcr
  • SHA256 b430710df3b63e9edcd837584d32f1049b2413e125b57c5c233a6758b5f63932
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • D3fackloader

    D3fackloader is a loader and downloader using Inno Setup.

  • D3fackloader family
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b430710df3b63e9edcd837584d32f1049b2413e125b57c5c233a6758b5f63932.exe
    "C:\Users\Admin\AppData\Local\Temp\b430710df3b63e9edcd837584d32f1049b2413e125b57c5c233a6758b5f63932.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2704
    • C:\Users\Admin\AppData\Local\Temp\is-VB9KC.tmp\b430710df3b63e9edcd837584d32f1049b2413e125b57c5c233a6758b5f63932.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-VB9KC.tmp\b430710df3b63e9edcd837584d32f1049b2413e125b57c5c233a6758b5f63932.tmp" /SL5="$7006E,3958024,950784,C:\Users\Admin\AppData\Local\Temp\b430710df3b63e9edcd837584d32f1049b2413e125b57c5c233a6758b5f63932.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:3464

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        _iscrypt.dll

        • Path C:\Users\Admin\AppData\Local\Temp\is-277SQ.tmp\_isetup\_iscrypt.dll
        • Size 2KB
        • SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
        • MD5 SHA1 SHA512

        idp.dll

        • Path C:\Users\Admin\AppData\Local\Temp\is-277SQ.tmp\idp.dll
        • Size 232KB
        • SHA256 54e7e0ad32a22b775131a6288f083ed3286a9a436941377fc20f85dd9ad983ed
        • MD5 SHA1 SHA512 SSDEEP

        b430710df3b63e9edcd837584d32f1049b2413e125b57c5c233a6758b5f63932.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\is-VB9KC.tmp\b430710df3b63e9edcd837584d32f1049b2413e125b57c5c233a6758b5f63932.tmp
        • Size 3.3MB
        • SHA256 60013b7c3c6dffc20992c651cb8c071294a490b8d13a32305319d8d77daf3cf5
        • MD5 SHA1 SHA512 SSDEEP

        memory/2704-19-0x0000000000BF0000-0x0000000000CE8000-memory.dmp

        memory/2704-2-0x0000000000BF1000-0x0000000000C9E000-memory.dmp

        memory/2704-0-0x0000000000BF0000-0x0000000000CE8000-memory.dmp

        memory/3464-23-0x00000000000D0000-0x000000000042F000-memory.dmp

        memory/3464-33-0x00000000000D0000-0x000000000042F000-memory.dmp

        memory/3464-21-0x0000000001950000-0x0000000001951000-memory.dmp

        memory/3464-20-0x00000000000D0000-0x000000000042F000-memory.dmp

        memory/3464-6-0x0000000001950000-0x0000000001951000-memory.dmp

        memory/3464-25-0x00000000000D0000-0x000000000042F000-memory.dmp

        memory/3464-27-0x00000000000D0000-0x000000000042F000-memory.dmp

        memory/3464-29-0x00000000000D0000-0x000000000042F000-memory.dmp

        memory/3464-31-0x00000000000D0000-0x000000000042F000-memory.dmp

        memory/3464-15-0x00000000040E0000-0x000000000411C000-memory.dmp

        memory/3464-35-0x00000000000D0000-0x000000000042F000-memory.dmp

        memory/3464-37-0x00000000000D0000-0x000000000042F000-memory.dmp

        memory/3464-39-0x00000000000D0000-0x000000000042F000-memory.dmp

        memory/3464-41-0x00000000000D0000-0x000000000042F000-memory.dmp

        memory/3464-43-0x00000000000D0000-0x000000000042F000-memory.dmp

        memory/3464-45-0x00000000000D0000-0x000000000042F000-memory.dmp

        memory/3464-47-0x00000000000D0000-0x000000000042F000-memory.dmp