Analysis

  • max time kernel
    4294205s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20220223-en
  • submitted
    01/03/2022, 00:49

General

  • Target
    Payment Report - 2022-02-28_1936.xlsm
  • Size 40KB
  • Sample220301-a6cqaafea4
  • SHA256 3d0bda55c2e04f4777738db2d85a313a9132f623c0712bf94176b2e1db2e29c4
  • MD5 SHA1 SHA512

Malware Config

Extracted

Language
  • xlm4.0

Source
URLs
  • xlm40.dropper

    http://vipteck.com/wp-content/M/

Extracted

Family
  • emotet

Botnet
  • Epoch4

C2
  • 168.235.104.209:8080

  • 195.154.253.60:8080

  • 152.89.239.34:443

  • 212.237.56.116:7080

  • 45.118.115.99:8080

  • 103.75.201.4:443

  • 185.157.82.211:8080

  • 119.235.255.201:8080

  • 103.75.201.2:443

  • 45.176.232.124:443

  • 138.185.72.26:8080

  • 79.172.212.216:8080

  • 131.100.24.231:80

  • 178.128.83.165:80

  • 178.79.147.66:8080

  • 110.232.117.186:8080

  • 51.254.140.238:7080

  • 173.212.193.249:8080

  • 50.30.40.196:8080

  • 50.116.54.215:443

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\Payment Report - 2022-02-28_1936.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:1208
    • C:\Windows\SysWow64\regsvr32.exe
      C:\Windows\SysWow64\regsvr32.exe /s ..\aew.ocx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:1936
      • C:\Windows\SysWOW64\regsvr32.exe
        C:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Pxblrwx\injuxtvcm.vbu"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1504

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1208-54-0x000000002F811000-0x000000002F814000-memory.dmp

        memory/1208-55-0x00000000712E1000-0x00000000712E3000-memory.dmp

        memory/1208-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

        memory/1208-57-0x00000000722CD000-0x00000000722D8000-memory.dmp

        memory/1504-64-0x0000000000270000-0x0000000000298000-memory.dmp

        memory/1936-58-0x0000000075CC1000-0x0000000075CC3000-memory.dmp

        memory/1936-61-0x00000000003A0000-0x00000000003C8000-memory.dmp