Analysis

  • max time kernel
    173s
  • max time network
    178s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    15/03/2022, 11:45

General

  • Target
    Dokumente 2022.15.03_1227.xlsm
  • Size 49KB
  • Sample220315-nwsweaahf2
  • SHA256 e529fd95b1dcecc8d4d4660cf3fe80f0cde0d8f17f2fcd58b23876d3eaa77d35
  • MD5 SHA1 SHA512

Malware Config

Extracted

Language
  • xlm4.0

Source
URLs
  • xlm40.dropper

    https://alinatourbg.com/mail/TBCGVNzLeENXb/

  • xlm40.dropper

    http://alinac.ca/images/Lp6yKpIpRf6/

Extracted

Family
  • emotet

Botnet
  • Epoch4

C2
  • 217.182.143.248:8080

  • 185.4.135.27:8080

  • 192.99.251.50:443

  • 146.59.226.45:443

  • 162.214.118.104:8080

  • 195.154.133.20:443

  • 103.75.201.2:443

  • 5.9.116.246:8080

  • 177.87.70.10:8080

  • 31.24.158.56:8080

  • 103.75.201.4:443

  • 158.69.222.101:443

  • 185.157.82.211:8080

  • 185.8.212.130:7080

  • 186.250.48.117:7080

  • 110.232.117.186:8080

  • 46.55.222.11:443

  • 196.218.30.83:443

  • 51.91.7.5:8080

  • 176.56.128.118:443

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 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\Dokumente 2022.15.03_1227.xlsm"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1648
    • 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:3772
      • C:\Windows\SysWOW64\regsvr32.exe
        C:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Qsquliokc\pcruyagmbgbndz.vvg"
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        PID:4196

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1648-133-0x00007FF916F10000-0x00007FF916F20000-memory.dmp

        memory/1648-134-0x00007FF916F10000-0x00007FF916F20000-memory.dmp

        memory/1648-135-0x00007FF956E90000-0x00007FF957085000-memory.dmp

        memory/1648-136-0x00007FF956E90000-0x00007FF957085000-memory.dmp

        memory/1648-137-0x00007FF956E90000-0x00007FF957085000-memory.dmp

        memory/1648-130-0x00007FF916F10000-0x00007FF916F20000-memory.dmp

        memory/1648-132-0x00007FF916F10000-0x00007FF916F20000-memory.dmp

        memory/1648-131-0x00007FF916F10000-0x00007FF916F20000-memory.dmp

        memory/3772-140-0x00000000023C0000-0x00000000023E8000-memory.dmp

        memory/4196-144-0x0000000002D80000-0x0000000002DA8000-memory.dmp