Analysis

  • max time kernel
    140s
  • max time network
    138s
  • 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, 02:13

General

  • Target
    13c0b7a1e78f51926be948f6f816d8e299e866237e7750f521eebdb2050489fb.exe
  • Size 4.8MB
  • Sample241130-cne4ss1pgj
  • SHA256 13c0b7a1e78f51926be948f6f816d8e299e866237e7750f521eebdb2050489fb
  • 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\13c0b7a1e78f51926be948f6f816d8e299e866237e7750f521eebdb2050489fb.exe
    "C:\Users\Admin\AppData\Local\Temp\13c0b7a1e78f51926be948f6f816d8e299e866237e7750f521eebdb2050489fb.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2568
    • C:\Users\Admin\AppData\Local\Temp\is-T7RSN.tmp\13c0b7a1e78f51926be948f6f816d8e299e866237e7750f521eebdb2050489fb.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-T7RSN.tmp\13c0b7a1e78f51926be948f6f816d8e299e866237e7750f521eebdb2050489fb.tmp" /SL5="$6021A,3958024,950784,C:\Users\Admin\AppData\Local\Temp\13c0b7a1e78f51926be948f6f816d8e299e866237e7750f521eebdb2050489fb.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:2804

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        _iscrypt.dll

        • Path C:\Users\Admin\AppData\Local\Temp\is-DOUG3.tmp\_isetup\_iscrypt.dll
        • Size 2KB
        • SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
        • MD5 SHA1 SHA512

        idp.dll

        • Path C:\Users\Admin\AppData\Local\Temp\is-DOUG3.tmp\idp.dll
        • Size 232KB
        • SHA256 54e7e0ad32a22b775131a6288f083ed3286a9a436941377fc20f85dd9ad983ed
        • MD5 SHA1 SHA512 SSDEEP

        13c0b7a1e78f51926be948f6f816d8e299e866237e7750f521eebdb2050489fb.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\is-T7RSN.tmp\13c0b7a1e78f51926be948f6f816d8e299e866237e7750f521eebdb2050489fb.tmp
        • Size 3.3MB
        • SHA256 60013b7c3c6dffc20992c651cb8c071294a490b8d13a32305319d8d77daf3cf5
        • MD5 SHA1 SHA512 SSDEEP

        memory/2568-19-0x0000000000610000-0x0000000000708000-memory.dmp

        memory/2568-2-0x0000000000611000-0x00000000006BE000-memory.dmp

        memory/2568-0-0x0000000000610000-0x0000000000708000-memory.dmp

        memory/2804-23-0x0000000000240000-0x000000000059F000-memory.dmp

        memory/2804-33-0x0000000000240000-0x000000000059F000-memory.dmp

        memory/2804-15-0x0000000003740000-0x000000000377C000-memory.dmp

        memory/2804-20-0x0000000000240000-0x000000000059F000-memory.dmp

        memory/2804-6-0x0000000002CC0000-0x0000000002CC1000-memory.dmp

        memory/2804-25-0x0000000000240000-0x000000000059F000-memory.dmp

        memory/2804-27-0x0000000000240000-0x000000000059F000-memory.dmp

        memory/2804-29-0x0000000000240000-0x000000000059F000-memory.dmp

        memory/2804-31-0x0000000000240000-0x000000000059F000-memory.dmp

        memory/2804-21-0x0000000002CC0000-0x0000000002CC1000-memory.dmp

        memory/2804-35-0x0000000000240000-0x000000000059F000-memory.dmp

        memory/2804-37-0x0000000000240000-0x000000000059F000-memory.dmp

        memory/2804-39-0x0000000000240000-0x000000000059F000-memory.dmp

        memory/2804-41-0x0000000000240000-0x000000000059F000-memory.dmp

        memory/2804-43-0x0000000000240000-0x000000000059F000-memory.dmp

        memory/2804-45-0x0000000000240000-0x000000000059F000-memory.dmp

        memory/2804-47-0x0000000000240000-0x000000000059F000-memory.dmp