Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    12/01/2022, 03:12

General

  • Target
    SecuriteInfo.com.Heur.31523.14451.xlsm
  • Size 83KB
  • Sample220112-dp7e4sbacm
  • SHA256 90c68041ea2e1e9b44724b9e68a58b8490996a52a5c2eda58d2eef0247b37283
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Language
  • xlm4.0

Source
URLs
  • xlm40.dropper

    http://unifiedpharma.com/wp-admin/ildi5K2aTIrdvEobQ/

Signatures

  • Process spawned unexpected child process 1 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

  • 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\SecuriteInfo.com.Heur.31523.14451.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:612
    • C:\Windows\SysWow64\rundll32.exe
      C:\Windows\SysWow64\rundll32.exe ..\adi.ocx,D"&"l"&"lR"&"egister"&"Serve"&"r
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1468
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\adi.ocx",DllRegisterServer
        3⤵
        • Loads dropped DLL
        • Drops file in System32 directory
        • Suspicious use of WriteProcessMemory
        PID:432
        • C:\Windows\SysWOW64\rundll32.exe
          C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Qltjsbgiq\yzojzeupykn.boo",NSWZsnlVv
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1316
          • C:\Windows\SysWOW64\rundll32.exe
            C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Qltjsbgiq\yzojzeupykn.boo",DllRegisterServer
            5⤵
            • Blocklisted process makes network request
            • Suspicious behavior: EnumeratesProcesses
            PID:1996

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/432-69-0x00000000007D1000-0x00000000007F5000-memory.dmp

        memory/432-73-0x0000000000F61000-0x0000000000F85000-memory.dmp

        memory/432-77-0x00000000025C1000-0x00000000025E5000-memory.dmp

        memory/432-75-0x00000000024C1000-0x00000000024E5000-memory.dmp

        memory/432-71-0x0000000000A11000-0x0000000000A35000-memory.dmp

        memory/432-67-0x0000000000231000-0x0000000000255000-memory.dmp

        memory/612-57-0x000000005FFF0000-0x0000000060000000-memory.dmp

        memory/612-55-0x000000002F981000-0x000000002F984000-memory.dmp

        memory/612-56-0x0000000070DC1000-0x0000000070DC3000-memory.dmp

        memory/1316-81-0x0000000000271000-0x0000000000295000-memory.dmp

        memory/1468-59-0x0000000075D61000-0x0000000075D63000-memory.dmp

        memory/1468-63-0x0000000000205000-0x0000000000206000-memory.dmp

        memory/1468-62-0x00000000001E1000-0x0000000000205000-memory.dmp

        memory/1996-85-0x00000000002A1000-0x00000000002C5000-memory.dmp

        memory/1996-87-0x0000000000321000-0x0000000000345000-memory.dmp

        memory/1996-89-0x0000000000A61000-0x0000000000A85000-memory.dmp

        memory/1996-91-0x0000000000BC1000-0x0000000000BE5000-memory.dmp

        memory/1996-93-0x0000000002AA1000-0x0000000002AC5000-memory.dmp