Analysis

  • max time kernel
    95s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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++.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 1 IoCs
  • Executes dropped EXE 2 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 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⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3332
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7zSAE03.tmp\autorun.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1304
      • C:\Windows\SysWOW64\xcopy.exe
        xcopy C:\Users\Admin\AppData\Local\Temp\7zSAE03.tmp\todaydatabaseovlresig.exe C:\Users\Admin\AppData\Local\Temp
        3⤵
        • System Location Discovery: System Language Discovery
        • Enumerates system info in registry
        PID:4940
      • 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:3660
      • C:\Users\Admin\AppData\Local\Temp\todaydatabaseovlresig.exe
        C:\Users\Admin\AppData\Local\Temp\todaydatabaseovlresig.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:712
        • C:\Users\Admin\AppData\Roaming\Custom_update\Update_3107186b.exe
          "C:\Users\Admin\AppData\Roaming\Custom_update\Update_3107186b.exe"
          4⤵
          • Executes dropped EXE
          PID:8

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\7zSAE03.tmp\autorun.bat

    Filesize

    478B

    MD5

    de2823825a54c5df96225c795808e42d

    SHA1

    c076f08f7fc3d1e44c3a0450f4b9f2b2c92ed669

    SHA256

    60e863e70dce64bbd564b98113a75f58c455ae604235ed1339a595944a19321a

    SHA512

    c8f127d1ac1abf0edcdabfa8ff90ae83ea5c65a7d450631a20c87b60ccd0610f4174ae146e961ab0ab59792f654e14dc303dd176a042e5b0c83b0ae637a3673d

  • C:\Users\Admin\AppData\Local\Temp\7zSAE03.tmp\todaydatabaseovlresig.exe

    Filesize

    11.0MB

    MD5

    262d733731abd4b67a97b682bfc9861f

    SHA1

    254734707cfd4f34388e0b907240c26732434c99

    SHA256

    989f811ac3c4ba5413fef99154ba60d930835d17832d6c26e3b66d9d45e01126

    SHA512

    ec49736c73700a2eeeac0c048e1999a081ea2537564ef2e57a04d4a9bbe9016a511955ca78806c6fa18649b4abed790c35c00ed3db7296a2145590fe201c51bc

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_532knxwv.v1m.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/712-41-0x00007FF7FEB70000-0x00007FF7FEB85000-memory.dmp

    Filesize

    84KB

  • memory/3660-13-0x00000000739E0000-0x0000000074190000-memory.dmp

    Filesize

    7.7MB

  • memory/3660-14-0x0000000005880000-0x0000000005EA8000-memory.dmp

    Filesize

    6.2MB

  • memory/3660-15-0x0000000005410000-0x0000000005432000-memory.dmp

    Filesize

    136KB

  • memory/3660-16-0x00000000056B0000-0x0000000005716000-memory.dmp

    Filesize

    408KB

  • memory/3660-12-0x0000000002DD0000-0x0000000002E06000-memory.dmp

    Filesize

    216KB

  • memory/3660-17-0x0000000005720000-0x0000000005786000-memory.dmp

    Filesize

    408KB

  • memory/3660-27-0x0000000005FB0000-0x0000000006304000-memory.dmp

    Filesize

    3.3MB

  • memory/3660-28-0x00000000063C0000-0x00000000063DE000-memory.dmp

    Filesize

    120KB

  • memory/3660-29-0x0000000006410000-0x000000000645C000-memory.dmp

    Filesize

    304KB

  • memory/3660-31-0x00000000068F0000-0x000000000690A000-memory.dmp

    Filesize

    104KB

  • memory/3660-30-0x0000000007BF0000-0x000000000826A000-memory.dmp

    Filesize

    6.5MB

  • memory/3660-36-0x00000000739E0000-0x0000000074190000-memory.dmp

    Filesize

    7.7MB

  • memory/3660-11-0x00000000739EE000-0x00000000739EF000-memory.dmp

    Filesize

    4KB