Analysis

  • max time kernel
    4294210s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20220311-en
  • submitted
    14/03/2022, 08:37

General

  • Target
    Scan_919.xlsm
  • Size 51KB
  • Sample220314-kh522adhc6
  • SHA256 976a94d8700ef8b71ea7342d0b99ed69a71b78902671cfbd980f5c1d1a28a048
  • MD5 SHA1 SHA512

Malware Config

Extracted

Language
  • xlm4.0

Source
URLs
  • xlm40.dropper

    http://www.ajaxmatters.com/c7g8t/kYHGlphIEPNOImddm1/

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\Scan_919.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:1624
    • C:\Windows\SysWow64\regsvr32.exe
      C:\Windows\SysWow64\regsvr32.exe -s ..\wn.ocx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:1984
      • C:\Windows\SysWOW64\regsvr32.exe
        C:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Ajeoegavmippeg\uzvehobvrnfeoh.ybe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1740

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1624-54-0x000000002F4B1000-0x000000002F4B4000-memory.dmp

        memory/1624-55-0x00000000714B1000-0x00000000714B3000-memory.dmp

        memory/1624-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

        memory/1624-57-0x000000007249D000-0x00000000724A8000-memory.dmp

        memory/1740-65-0x00000000001F0000-0x0000000000217000-memory.dmp

        memory/1984-58-0x00000000755A1000-0x00000000755A3000-memory.dmp

        memory/1984-61-0x00000000002A0000-0x00000000002C7000-memory.dmp