Analysis

  • max time kernel
    157s
  • max time network
    176s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    02/03/2022, 09:39

General

  • Target
    imedpub.xlsm
  • Size 46KB
  • Sample220302-lmmxpaece7
  • SHA256 b91fdea8f3f028dbc4ea1f01deaadf6c5fb79fd2849f056376ecab96245f7060
  • MD5 SHA1 SHA512

Malware Config

Extracted

Language
  • xlm4.0

Source
URLs
  • xlm40.dropper

    http://rosywhitecleaningsolution.com/wp-admin/PqMw6fND8Bb1I4VPR10/

  • xlm40.dropper

    http://havilaholuemglobal.com/dofz29/ymIfCcEL8I5kjA6E/

Extracted

Family
  • emotet

Botnet
  • Epoch4

C2
  • 209.15.236.39:8080

  • 162.244.80.68:443

  • 195.154.253.60:8080

  • 31.24.158.56:8080

  • 209.126.98.206:8080

  • 45.142.114.231:8080

  • 159.8.59.82:8080

  • 159.65.88.10:8080

  • 82.165.152.127:8080

  • 1.234.2.232:8080

  • 178.79.147.66:8080

  • 103.75.201.4:443

  • 131.100.24.231:80

  • 129.232.188.93:443

  • 173.212.193.249:8080

  • 107.182.225.142:8080

  • 103.134.85.85:80

  • 176.104.106.96:8080

  • 203.114.109.124:443

  • 216.158.226.206:443

eck1.plain
ecs1.plain

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.

  • Downloads MZ/PE file
  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 1 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 14 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\imedpub.xlsm
    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:1704
    • C:\Windows\SysWow64\regsvr32.exe
      C:\Windows\SysWow64\regsvr32.exe /s ..\sei.ocx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:1688
      • C:\Windows\SysWOW64\regsvr32.exe
        C:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Ulfztypsa\jfgtuvqqsjdsd.trj"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1540

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1540-65-0x0000000000240000-0x0000000000268000-memory.dmp

        memory/1688-59-0x0000000075F91000-0x0000000075F93000-memory.dmp

        memory/1688-62-0x0000000000200000-0x0000000000228000-memory.dmp

        memory/1704-55-0x000000002F021000-0x000000002F024000-memory.dmp

        memory/1704-56-0x0000000071511000-0x0000000071513000-memory.dmp

        memory/1704-57-0x000000005FFF0000-0x0000000060000000-memory.dmp

        memory/1704-58-0x00000000724FD000-0x0000000072508000-memory.dmp