Analysis

  • max time kernel
    93s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/04/2024, 01:24

General

  • Target
    65da6d9f781ff5fc2865b8850cfa64993b36f00151387fdce25859781c1eb711.dll
  • Size 69KB
  • Sample240403-bsjgcabg86
  • SHA256 65da6d9f781ff5fc2865b8850cfa64993b36f00151387fdce25859781c1eb711
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

Family
  • latrodectus

C2
  • https://titnovacrion.top/live/

  • https://skinnyjeanso.com/live/

Signatures

  • Latrodectus loader

    Latrodectus is a loader written in C++.

  • Detect larodectus Loader variant 2 8 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\65da6d9f781ff5fc2865b8850cfa64993b36f00151387fdce25859781c1eb711.dll,#1
    1⤵
    • Deletes itself
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:1644
    • C:\Windows\system32\rundll32.exe
      rundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_48abe634.dll", #1
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      PID:2704

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        Update_48abe634.dll

        • Path C:\Users\Admin\AppData\Roaming\Custom_update\Update_48abe634.dll
        • Size 69KB
        • SHA256 65da6d9f781ff5fc2865b8850cfa64993b36f00151387fdce25859781c1eb711
        • MD5 SHA1 SHA512 SSDEEP

        memory/1644-0-0x0000021A57C50000-0x0000021A57C64000-memory.dmp

        memory/1644-1-0x0000021A57C50000-0x0000021A57C64000-memory.dmp

        memory/1644-7-0x0000021A57C50000-0x0000021A57C64000-memory.dmp

        memory/1644-4-0x0000000180000000-0x0000000180014000-memory.dmp

        memory/2704-6-0x00000268C8E40000-0x00000268C8E54000-memory.dmp

        memory/2704-9-0x00000268C8E40000-0x00000268C8E54000-memory.dmp

        memory/2704-8-0x00000268C8E40000-0x00000268C8E54000-memory.dmp