Analysis

  • max time kernel
    148s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    07/06/2022, 11:39

General

  • Target
    19-0706.xls
  • Size 71KB
  • Sample220607-nsa67aaber
  • SHA256 6bbce57af634b5a56f4e412c52d987d3c2515089fc82be156c3de564564b25ba
  • MD5 SHA1 SHA512

Malware Config

Extracted

Language
  • xlm4.0

Source
URLs
  • xlm40.dropper

    https://chobemaster.com/components/GxCs/

  • xlm40.dropper

    https://bencevendeghaz.hu/wp-includes/S1mIEUnClr5s8krOm/

  • xlm40.dropper

    http://vibesapparels.com/dQa/Qzuqq5TZO/

Extracted

Family
  • emotet

Botnet
  • Epoch5

C2
  • 78.47.204.80:443

  • 212.83.184.188:8080

  • 36.67.23.59:443

  • 128.199.217.206:443

  • 103.56.149.105:8080

  • 202.29.239.162:443

  • 68.183.91.111:8080

  • 104.244.79.94:443

  • 64.227.55.231:8080

  • 157.230.99.206:8080

  • 165.232.185.110:8080

  • 103.71.99.57:8080

  • 103.126.216.86:443

  • 88.217.172.165:8080

  • 103.41.204.169:8080

  • 87.106.97.83:7080

  • 85.25.120.45:8080

  • 188.225.32.231:4143

  • 118.98.72.86:443

  • 178.62.112.199:8080

eck1.plain

Signatures

  • Emotet

    Emotet is a trojan that is primarily spread through spam emails.

  • Process spawned unexpected child process 3 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 2 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 3 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 33 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\19-0706.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:2032
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\haics1.ocx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1064
      • C:\Windows\system32\regsvr32.exe
        /S ..\haics1.ocx
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1624
        • C:\Windows\system32\regsvr32.exe
          C:\Windows\system32\regsvr32.exe "C:\Windows\system32\EwVqsFz\OsriMSUMBnkIEM.dll"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:2028
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\haics2.ocx
      2⤵
      • Process spawned unexpected child process
      PID:556
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\haics3.ocx
      2⤵
      • Process spawned unexpected child process
      PID:548

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
        • Size 60KB
        • SHA256 889b832323726a9f10ad03f85562048fdcfe20c9ff6f9d37412cf477b4e92ff9
        • MD5 SHA1 SHA512 SSDEEP

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 342B
        • SHA256 520a4e1cb09ba6ccc5a5c21c653b7ed2fe7d3f8e4494f30fe750e9d201c4a481
        • MD5 SHA1 SHA512

        haics1.ocx

        • Path C:\Users\Admin\haics1.ocx
        • Size 653KB
        • SHA256 032652d861d612829b4198d9a172c36d00ca08d5faf8e2e71086c74bcd397e5c
        • MD5 SHA1 SHA512 SSDEEP

        haics1.ocx

        • Path \Users\Admin\haics1.ocx
        • Size 653KB
        • SHA256 032652d861d612829b4198d9a172c36d00ca08d5faf8e2e71086c74bcd397e5c
        • MD5 SHA1 SHA512 SSDEEP

        haics1.ocx

        • Path \Users\Admin\haics1.ocx
        • Size 653KB
        • SHA256 032652d861d612829b4198d9a172c36d00ca08d5faf8e2e71086c74bcd397e5c
        • MD5 SHA1 SHA512 SSDEEP

        memory/1624-69-0x0000000180000000-0x000000018002B000-memory.dmp

        memory/1624-65-0x000007FEFC2E1000-0x000007FEFC2E3000-memory.dmp

        memory/1624-67-0x0000000001EC0000-0x0000000001F6A000-memory.dmp

        memory/2028-74-0x0000000000580000-0x000000000062A000-memory.dmp

        memory/2032-59-0x0000000072ABD000-0x0000000072AC8000-memory.dmp

        memory/2032-54-0x000000002FC31000-0x000000002FC34000-memory.dmp

        memory/2032-58-0x0000000072ABD000-0x0000000072AC8000-memory.dmp

        memory/2032-57-0x00000000759F1000-0x00000000759F3000-memory.dmp

        memory/2032-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

        memory/2032-55-0x0000000071AD1000-0x0000000071AD3000-memory.dmp