Analysis

  • max time kernel
    150s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    24/02/2022, 08:25

General

  • Target
    MAIL_24022022.xls
  • Size 115KB
  • Sample220224-kbabsadfer
  • SHA256 4213677263ce404cc1aeaeb948d85eeb372c93d5a72b690f674bfbbc10dedb39
  • MD5 SHA1 SHA512

Malware Config

Extracted

Language
  • xlm4.0

Source
URLs
  • xlm40.dropper

    https://new.tokosatu.com/wp-admin/QzzQZAIDuBhOplwOnhJ/

Extracted

Family
  • emotet

Botnet
  • Epoch5

C2
  • 46.41.130.218:8080

  • 168.197.250.14:80

  • 195.77.239.39:8080

  • 210.57.209.142:8080

  • 203.153.216.46:443

  • 45.71.195.104:8080

  • 185.148.168.15:8080

  • 78.46.73.125:443

  • 116.124.128.206:8080

  • 68.183.93.250:443

  • 54.37.106.167:8080

  • 66.42.57.149:443

  • 103.41.204.169:8080

  • 62.171.178.147:8080

  • 37.59.209.141:8080

  • 61.7.231.229:443

  • 185.148.168.220:8080

  • 139.196.72.155:8080

  • 194.9.172.107:8080

  • 191.252.103.16:80

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 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\MAIL_24022022.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:1952
    • C:\Windows\SysWow64\regsvr32.exe
      C:\Windows\SysWow64\regsvr32.exe /s ..\su1.ocx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:2036
      • C:\Windows\SysWOW64\regsvr32.exe
        C:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Pyqxllweadkvz\tiobpvxszrmnrux.mbh"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1804

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1804-65-0x00000000001C0000-0x00000000001E5000-memory.dmp

        memory/1952-55-0x000000002FE81000-0x000000002FE84000-memory.dmp

        memory/1952-56-0x0000000070C81000-0x0000000070C83000-memory.dmp

        memory/1952-57-0x000000005FFF0000-0x0000000060000000-memory.dmp

        memory/1952-58-0x0000000071C6D000-0x0000000071C78000-memory.dmp

        memory/2036-59-0x0000000074B21000-0x0000000074B23000-memory.dmp

        memory/2036-63-0x00000000001D0000-0x00000000001F5000-memory.dmp