Analysis

  • max time kernel
    144s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    12-01-2022 05:14

General

  • Target

    3e47f75fb9dbb067e2b47049666fc1d2.xls

  • Size

    113KB

  • MD5

    3e47f75fb9dbb067e2b47049666fc1d2

  • SHA1

    df51ed9b3c9bc6bbef920f2de3bedeccda5217c3

  • SHA256

    aa65a34067b0c50e89c1078d0c7ff08de43e5036241404574f846265de6ff6bd

  • SHA512

    878839b9037053905384417e505741ef74622804eb384f84d1cd1b8b96eb8b0521d6f248f5a9ae635c2367cab17669db248156ef0ca5f11d6a54f3adc0d118eb

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://ordinateur.ogivart.us/editor/Qpo7OAOnbe/

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.

  • Blocklisted process makes network request 2 IoCs
  • Downloads MZ/PE file
  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • 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 28 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\3e47f75fb9dbb067e2b47049666fc1d2.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:1516
    • C:\Windows\SysWow64\rundll32.exe
      C:\Windows\SysWow64\rundll32.exe ..\sun.ocx,D"&"l"&"lR"&"egister"&"Serve"&"r
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1044
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\sun.ocx",DllRegisterServer
        3⤵
        • Loads dropped DLL
        • Drops file in System32 directory
        • Suspicious use of WriteProcessMemory
        PID:624
        • C:\Windows\SysWOW64\rundll32.exe
          C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Ybofqrlfjmtj\qeon.auu",TZfT
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1872
          • C:\Windows\SysWOW64\rundll32.exe
            C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Ybofqrlfjmtj\qeon.auu",DllRegisterServer
            5⤵
            • Blocklisted process makes network request
            • Suspicious behavior: EnumeratesProcesses
            PID:1708

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/624-68-0x0000000000311000-0x0000000000333000-memory.dmp

    Filesize

    136KB

  • memory/624-72-0x0000000001EC1000-0x0000000001EE3000-memory.dmp

    Filesize

    136KB

  • memory/624-76-0x0000000002531000-0x0000000002553000-memory.dmp

    Filesize

    136KB

  • memory/624-74-0x0000000002481000-0x00000000024A3000-memory.dmp

    Filesize

    136KB

  • memory/624-70-0x0000000000421000-0x0000000000443000-memory.dmp

    Filesize

    136KB

  • memory/624-66-0x00000000001B1000-0x00000000001D3000-memory.dmp

    Filesize

    136KB

  • memory/1044-61-0x0000000000281000-0x00000000002A3000-memory.dmp

    Filesize

    136KB

  • memory/1044-62-0x00000000002A3000-0x00000000002A4000-memory.dmp

    Filesize

    4KB

  • memory/1044-58-0x0000000075471000-0x0000000075473000-memory.dmp

    Filesize

    8KB

  • memory/1516-55-0x0000000070E01000-0x0000000070E03000-memory.dmp

    Filesize

    8KB

  • memory/1516-54-0x000000002F2A1000-0x000000002F2A4000-memory.dmp

    Filesize

    12KB

  • memory/1516-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1708-88-0x0000000000AC1000-0x0000000000AE3000-memory.dmp

    Filesize

    136KB

  • memory/1708-84-0x0000000000221000-0x0000000000243000-memory.dmp

    Filesize

    136KB

  • memory/1708-86-0x0000000000861000-0x0000000000883000-memory.dmp

    Filesize

    136KB

  • memory/1708-90-0x0000000002401000-0x0000000002423000-memory.dmp

    Filesize

    136KB

  • memory/1708-92-0x0000000002501000-0x0000000002523000-memory.dmp

    Filesize

    136KB

  • memory/1708-93-0x0000000002C71000-0x0000000002C93000-memory.dmp

    Filesize

    136KB

  • memory/1872-80-0x0000000000211000-0x0000000000233000-memory.dmp

    Filesize

    136KB