Analysis

  • max time kernel
    4294213s
  • max time network
    170s
  • platform
    windows7_x64
  • resource
    win7-20220310-en
  • submitted
    15/03/2022, 09:05

General

  • Target
    MES-535.xlsm
  • Size 73KB
  • Sample220315-k187eahdd8
  • SHA256 c8039b4bf3530799f31a12e0cf4762ef11c86e8df796a5a865365754c0d376bd
  • MD5 SHA1 SHA512

Malware Config

Extracted

Language
  • xlm4.0

Source
URLs
  • xlm40.dropper

    https://www.ankeoman.com/undercons_files/l88ETG/

  • xlm40.dropper

    http://atbiotique.com/images/Luf2JK8NAHSkvg3H83g/

Extracted

Family
  • emotet

Botnet
  • Epoch5

C2
  • 51.75.33.122:443

  • 186.250.48.5:80

  • 168.119.39.118:443

  • 207.148.81.119:8080

  • 194.9.172.107:8080

  • 139.196.72.155:8080

  • 78.47.204.80:443

  • 159.69.237.188:443

  • 45.71.195.104:8080

  • 54.37.106.167:8080

  • 185.168.130.138:443

  • 37.44.244.177:8080

  • 185.184.25.78:8080

  • 185.148.168.15:8080

  • 128.199.192.135:8080

  • 37.59.209.141:8080

  • 103.41.204.169:8080

  • 185.148.168.220:8080

  • 103.42.58.120:7080

  • 78.46.73.125:443

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\MES-535.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:1692
    • C:\Windows\SysWow64\regsvr32.exe
      C:\Windows\SysWow64\regsvr32.exe -s ..\ujg.dll
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:1712
      • C:\Windows\SysWOW64\regsvr32.exe
        C:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Dmkyevlywddl\mmguyblbghai.jam"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1460

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1460-65-0x0000000001CE0000-0x0000000001D07000-memory.dmp

        memory/1692-54-0x000000002FB21000-0x000000002FB24000-memory.dmp

        memory/1692-55-0x0000000070E41000-0x0000000070E43000-memory.dmp

        memory/1692-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

        memory/1692-57-0x0000000071E2D000-0x0000000071E38000-memory.dmp

        memory/1712-58-0x00000000750C1000-0x00000000750C3000-memory.dmp

        memory/1712-61-0x00000000002B0000-0x00000000002D7000-memory.dmp