Analysis

  • max time kernel
    150s
  • max time network
    142s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    11-01-2022 17:22

General

  • Target

    6913af2de9271a92bd9c7c9afe4923a08f237459d7e1e03d171e96fa291e39ee.xlsm

  • Size

    83KB

  • MD5

    2d4926a62674ed003b4f0c0539e5da34

  • SHA1

    1c8e7d26be6323a676314dc027241a2f78a2b1c2

  • SHA256

    6913af2de9271a92bd9c7c9afe4923a08f237459d7e1e03d171e96fa291e39ee

  • SHA512

    127529410f0c8b84364e7d0270c118e80a0fdf06fdd6c56963597f64904fe36f16794e6ebebb68bf29086c52656553d5f00b779983a0dd64559094538e677b50

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 1 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.

  • 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 SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 12 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\6913af2de9271a92bd9c7c9afe4923a08f237459d7e1e03d171e96fa291e39ee.xlsm"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1052
    • 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:2244
      • 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:3156
        • C:\Windows\SysWOW64\rundll32.exe
          C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Finqcdlpbm\ajvlgnjcxpie.bxy",qepOsjtQc
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1008
          • C:\Windows\SysWOW64\rundll32.exe
            C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Finqcdlpbm\ajvlgnjcxpie.bxy",DllRegisterServer
            5⤵
            • Blocklisted process makes network request
            • Suspicious behavior: EnumeratesProcesses
            PID:1492

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1052-119-0x00007FF89DB10000-0x00007FF89DB20000-memory.dmp

    Filesize

    64KB

  • memory/1052-121-0x0000018326290000-0x0000018326292000-memory.dmp

    Filesize

    8KB

  • memory/1052-120-0x0000018326290000-0x0000018326292000-memory.dmp

    Filesize

    8KB

  • memory/1052-122-0x0000018326290000-0x0000018326292000-memory.dmp

    Filesize

    8KB

  • memory/1052-128-0x00007FF89A3C0000-0x00007FF89A3D0000-memory.dmp

    Filesize

    64KB

  • memory/1052-129-0x00007FF89A3C0000-0x00007FF89A3D0000-memory.dmp

    Filesize

    64KB

  • memory/1052-115-0x00007FF89DB10000-0x00007FF89DB20000-memory.dmp

    Filesize

    64KB

  • memory/1052-118-0x00007FF89DB10000-0x00007FF89DB20000-memory.dmp

    Filesize

    64KB

  • memory/1052-117-0x00007FF89DB10000-0x00007FF89DB20000-memory.dmp

    Filesize

    64KB

  • memory/1052-116-0x00007FF89DB10000-0x00007FF89DB20000-memory.dmp

    Filesize

    64KB