Analysis

  • max time kernel
    151s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    12/05/2022, 12:12

General

  • Target
    SCAN9265_0005.xls
  • Size 40KB
  • Sample220512-pc6htsdhe2
  • SHA256 23f794cc8a7022ea9c31ea6dbb8a6235d805b60b52a837d538dc1be46c1ce468
  • MD5 SHA1 SHA512

Malware Config

Extracted

Language
  • xlm4.0

Source
URLs
  • xlm40.dropper

    https://www.itesmeitic.com/term/IFjx5ElE0ldr8wDDHjub/

  • xlm40.dropper

    https://www.ingonherbal.com/application/PhEbceg4Tx/

  • xlm40.dropper

    http://ftp.colibriconstruction.net/cc/KHieqeOsagkmlGIuXc56/

  • xlm40.dropper

    http://commune-ariana.tn/sites/3BvaCmo/

Signatures

  • Emotet

    Emotet is a trojan that is primarily spread through spam emails.

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • suricata: ET MALWARE W32/Emotet CnC Beacon 3

    suricata: ET MALWARE W32/Emotet CnC Beacon 3

  • Downloads MZ/PE file
  • Loads dropped DLL 2 IoCs
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\SCAN9265_0005.xls
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:336
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\System32\regsvr32.exe ..\wurod.ocx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:540
      • C:\Windows\system32\regsvr32.exe
        ..\wurod.ocx
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1104
        • C:\Windows\system32\regsvr32.exe
          C:\Windows\system32\regsvr32.exe "C:\Windows\system32\CMvQcT\RbavqN.dll"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1464

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        wurod.ocx

        • Path C:\Users\Admin\wurod.ocx
        • Size 764KB
        • SHA256 6ae7e599cdb1ddaa7bb750757193845a6c2c4fea9f905d1413a2bd7e1d83772d
        • MD5 SHA1 SHA512 SSDEEP

        wurod.ocx

        • Path \Users\Admin\wurod.ocx
        • Size 764KB
        • SHA256 6ae7e599cdb1ddaa7bb750757193845a6c2c4fea9f905d1413a2bd7e1d83772d
        • MD5 SHA1 SHA512 SSDEEP

        wurod.ocx

        • Path \Users\Admin\wurod.ocx
        • Size 764KB
        • SHA256 6ae7e599cdb1ddaa7bb750757193845a6c2c4fea9f905d1413a2bd7e1d83772d
        • MD5 SHA1 SHA512 SSDEEP

        memory/336-57-0x000000007219D000-0x00000000721A8000-memory.dmp

        memory/336-58-0x00000000752A1000-0x00000000752A3000-memory.dmp

        memory/336-54-0x000000002F5B1000-0x000000002F5B4000-memory.dmp

        memory/336-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

        memory/336-55-0x00000000711B1000-0x00000000711B3000-memory.dmp

        memory/1104-64-0x000007FEFB9C1000-0x000007FEFB9C3000-memory.dmp

        memory/1104-66-0x0000000001D00000-0x0000000001D30000-memory.dmp