Analysis

  • max time kernel
    142s
  • max time network
    194s
  • platform
    windows7_x64
  • resource
    win7-20220331-en
  • submitted
    01/04/2022, 16:01

General

  • Target
    doc_69156.xls
  • Size 50KB
  • Sample220401-tf7bradhb8
  • SHA256 2a3a9f34754ac1e674a6cdc1f6a5a0d7ebfba0ec5d2ccddd469aac7adfc4182a
  • MD5 SHA1 SHA512

Malware Config

Extracted

Language
  • xlm4.0

Source
URLs
  • xlm40.dropper

    https://heijtse.com/wp-content/vIboiEZPbqvTF10Z9/

  • xlm40.dropper

    https://www.travellers-autobarnrv.com/new/pe7rxgG/

Extracted

Family
  • emotet

Botnet
  • Epoch5

C2
  • 5.189.160.61:443

  • 94.177.178.26:8080

  • 202.29.239.162:443

  • 54.38.143.246:7080

  • 119.59.125.140:8080

  • 185.148.168.15:8080

  • 188.166.229.148:443

  • 2.58.16.87:8080

  • 104.131.62.48:8080

  • 103.82.248.59:7080

  • 37.59.209.141:8080

  • 103.133.214.242:8080

  • 195.77.239.39:8080

  • 128.199.192.135:8080

  • 78.47.204.80:443

  • 59.148.253.194:443

  • 87.106.97.83:7080

  • 45.71.195.104:8080

  • 85.214.67.203:8080

  • 139.196.72.155:8080

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.

  • Downloads MZ/PE file
  • Loads dropped DLL 1 IoCs
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 20 IoCs
  • Modifies registry class 58 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 7 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\doc_69156.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:2024
    • C:\Windows\SysWow64\regsvr32.exe
      C:\Windows\SysWow64\regsvr32.exe -s ..\xcah.dll
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      PID:788
      • C:\Windows\SysWOW64\regsvr32.exe
        C:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Bbmcphx\mbpa.mzo"
        3⤵
          PID:296

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          94308059B57B3142E455B38A6EB92015

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
          • Size 344B
          • SHA256 a05d80e25ce463d98e6b830e719f534793d78e0dfc767bb09599e633a59abf73
          • MD5 SHA1 SHA512

          xcah.dll

          • Path C:\Users\Admin\xcah.dll
          • Size 432KB
          • SHA256 d0ee8b3d2cb16a9266c513fe103441c57260e4ca5a703da94b4eed38902f954c
          • MD5 SHA1 SHA512 SSDEEP

          xcah.dll

          • Path \Users\Admin\xcah.dll
          • Size 432KB
          • SHA256 d0ee8b3d2cb16a9266c513fe103441c57260e4ca5a703da94b4eed38902f954c
          • MD5 SHA1 SHA512 SSDEEP

          memory/296-67-0x0000000000210000-0x0000000000233000-memory.dmp

          memory/788-59-0x00000000755F1000-0x00000000755F3000-memory.dmp

          memory/788-62-0x00000000007A0000-0x00000000007C3000-memory.dmp

          memory/2024-54-0x000000002F4D1000-0x000000002F4D4000-memory.dmp

          memory/2024-55-0x00000000710A1000-0x00000000710A3000-memory.dmp

          memory/2024-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

          memory/2024-57-0x000000007208D000-0x0000000072098000-memory.dmp