Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    09-10-2024 01:55

General

  • Target

    d8ff7b3040d2674dbdc77b184266ddef54444c0d8db4880ddd3bcd45d610e0c1.exe

  • Size

    7.9MB

  • MD5

    dcadeda5754a0fe953156eb69f966bf2

  • SHA1

    3fb6f6bb20ef5d4db9f7996662d6fbd84d2a0ee9

  • SHA256

    d8ff7b3040d2674dbdc77b184266ddef54444c0d8db4880ddd3bcd45d610e0c1

  • SHA512

    ffb6c3546af692fb48a96f1288c2b96cdad91647e2d9331ceef67cde54548870e387488f17db503e7666540e62450441140220fdc7c8be6410023488953fb290

  • SSDEEP

    196608:MddurOkR/ykbTpWm+Jmj3qDc2YDW2nGg+MmzM+dxkh:wdIR6Aamj3qQ2x2nGfMmzh/kh

Malware Config

Extracted

Family

latrodectus

C2

https://restoreviner.com/test/

https://peronikilinfer.com/test/

Signatures

  • Detects Latrodectus 1 IoCs

    Detects Latrodectus v1.4.

  • Latrodectus loader

    Latrodectus is a loader written in C++.

  • Drops startup file 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 4 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 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 22 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:\Users\Admin\AppData\Local\Temp\d8ff7b3040d2674dbdc77b184266ddef54444c0d8db4880ddd3bcd45d610e0c1.exe
    "C:\Users\Admin\AppData\Local\Temp\d8ff7b3040d2674dbdc77b184266ddef54444c0d8db4880ddd3bcd45d610e0c1.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2352
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\7zS722.tmp\autorun.bat" "
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2744
      • C:\Windows\SysWOW64\xcopy.exe
        xcopy C:\Users\Admin\AppData\Local\Temp\7zS722.tmp\todaydatabaseovlresig.exe C:\Users\Admin\AppData\Local\Temp
        3⤵
        • System Location Discovery: System Language Discovery
        • Enumerates system info in registry
        PID:2932
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -Command "$WScriptShell = New-Object -ComObject WScript.Shell; $Shortcut = $WScriptShell.CreateShortcut('C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\todaydatabaseovlresig.lnk'); $Shortcut.TargetPath = 'C:\Users\Admin\AppData\Local\Temp\todaydatabaseovlresig.exe'; $Shortcut.Save()"
        3⤵
        • Drops startup file
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2928
      • C:\Users\Admin\AppData\Local\Temp\todaydatabaseovlresig.exe
        C:\Users\Admin\AppData\Local\Temp\todaydatabaseovlresig.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2816
        • C:\Users\Admin\AppData\Roaming\Custom_update\Update_2569b386.exe
          "C:\Users\Admin\AppData\Roaming\Custom_update\Update_2569b386.exe"
          4⤵
          • Executes dropped EXE
          PID:2572
        • C:\Windows\system32\WerFault.exe
          C:\Windows\system32\WerFault.exe -u -p 2816 -s 256
          4⤵
            PID:2660

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\7zS722.tmp\autorun.bat

      Filesize

      478B

      MD5

      de2823825a54c5df96225c795808e42d

      SHA1

      c076f08f7fc3d1e44c3a0450f4b9f2b2c92ed669

      SHA256

      60e863e70dce64bbd564b98113a75f58c455ae604235ed1339a595944a19321a

      SHA512

      c8f127d1ac1abf0edcdabfa8ff90ae83ea5c65a7d450631a20c87b60ccd0610f4174ae146e961ab0ab59792f654e14dc303dd176a042e5b0c83b0ae637a3673d

    • C:\Users\Admin\AppData\Local\Temp\7zS722.tmp\todaydatabaseovlresig.exe

      Filesize

      11.0MB

      MD5

      262d733731abd4b67a97b682bfc9861f

      SHA1

      254734707cfd4f34388e0b907240c26732434c99

      SHA256

      989f811ac3c4ba5413fef99154ba60d930835d17832d6c26e3b66d9d45e01126

      SHA512

      ec49736c73700a2eeeac0c048e1999a081ea2537564ef2e57a04d4a9bbe9016a511955ca78806c6fa18649b4abed790c35c00ed3db7296a2145590fe201c51bc

    • memory/2816-37-0x000000013FE00000-0x000000013FE15000-memory.dmp

      Filesize

      84KB