Analysis

  • max time kernel
    4294211s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20220311-en
  • submitted
    16/03/2022, 03:48

General

  • Target
    2297187961.xlsm
  • Size 30KB
  • Sample220316-ecslvsfegm
  • SHA256 f46e8a34de673a2f5d63a35e30e4ff564e53632937e652c58c6b4324640cfdbb
  • MD5 SHA1 SHA512

Malware Config

Extracted

Language
  • xlm4.0

Source
URLs
  • xlm40.dropper

    http://henrysfreshroast.com/6cc4ts0bkrOlXq/

Extracted

Family
  • emotet

Botnet
  • Epoch5

C2
  • 165.22.61.235:443

  • 121.78.112.42:8080

  • 216.10.251.121:8080

  • 195.77.239.39:8080

  • 195.154.146.35:443

  • 68.183.93.250:443

  • 139.196.72.155:8080

  • 194.9.172.107:8080

  • 196.44.98.190:8080

  • 128.199.192.135:8080

  • 5.56.132.177:8080

  • 78.46.73.125:443

  • 87.106.97.83:7080

  • 66.42.57.149:443

  • 37.44.244.177:8080

  • 190.90.233.66:443

  • 203.153.216.46:443

  • 207.148.81.119:8080

  • 103.41.204.169:8080

  • 104.131.62.48:8080

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.

  • suricata: ET MALWARE W32/Emotet CnC Beacon 3

    suricata: ET MALWARE W32/Emotet CnC Beacon 3

  • 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 4 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\2297187961.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:1936
    • C:\Windows\SysWow64\regsvr32.exe
      C:\Windows\SysWow64\regsvr32.exe -s ..\rfs.dll
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:1968
      • C:\Windows\SysWOW64\regsvr32.exe
        C:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Prihse\bwohsep.qrz"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1540

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1540-65-0x0000000000200000-0x0000000000227000-memory.dmp

        memory/1936-54-0x000000002F0A1000-0x000000002F0A4000-memory.dmp

        memory/1936-55-0x00000000713B1000-0x00000000713B3000-memory.dmp

        memory/1936-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

        memory/1936-57-0x000000007239D000-0x00000000723A8000-memory.dmp

        memory/1968-58-0x00000000759B1000-0x00000000759B3000-memory.dmp

        memory/1968-62-0x0000000000240000-0x0000000000267000-memory.dmp