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Analysis

  • max time kernel
    128s
  • max time network
    130s
  • platform
    windows10-1703_x64
  • resource
    win10-20220812-en
  • resource tags

    arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
  • submitted
    03/11/2022, 23:40

General

  • Target

    9d92286c6b799da2ca783aa9be200c6bcca51863c8a40971e1f76742bdc62e08.xls

  • Size

    217KB

  • MD5

    4958d0a5264ee15a51664e626d0714d8

  • SHA1

    abb5172ced836603ced737e93fb6ad050951b5eb

  • SHA256

    9d92286c6b799da2ca783aa9be200c6bcca51863c8a40971e1f76742bdc62e08

  • SHA512

    20b51581af18f3a26d1eb0bfceb3e911b25e2d91a97de4a75d6f3243c7537e89b9f8ff3c0ffd8b238dbfc1ea9bc9c666024b0551983671cd6ea3f17bad5086be

  • SSDEEP

    6144:zKpb8rGYrMPe3q7Q0XV5xtuEsi8/dglyY+TAQXTHGUMEyP5p6f5jQm7VnT:1bGUMVWlbd

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://app.clubdedocentes.com/storage/DCcq9ekgH99sI/

xlm40.dropper

http://linhkiendoc.com/app/payments/qoy5JqpLqrbsKl/

xlm40.dropper

http://sourcecool.com/throng/iOD/

xlm40.dropper

http://www.stickers-et-deco.com/Adapter/lYw/

Signatures

  • Process spawned unexpected child process 4 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • 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 use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 8 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\9d92286c6b799da2ca783aa9be200c6bcca51863c8a40971e1f76742bdc62e08.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4884
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:4660
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv2.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:5064
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv3.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:3208
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv4.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:4364

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/4884-119-0x00007FFE99890000-0x00007FFE998A0000-memory.dmp

    Filesize

    64KB

  • memory/4884-128-0x00007FFE96150000-0x00007FFE96160000-memory.dmp

    Filesize

    64KB

  • memory/4884-129-0x00007FFE96150000-0x00007FFE96160000-memory.dmp

    Filesize

    64KB

  • memory/4884-116-0x00007FFE99890000-0x00007FFE998A0000-memory.dmp

    Filesize

    64KB

  • memory/4884-118-0x00007FFE99890000-0x00007FFE998A0000-memory.dmp

    Filesize

    64KB

  • memory/4884-117-0x00007FFE99890000-0x00007FFE998A0000-memory.dmp

    Filesize

    64KB

  • memory/4884-293-0x00007FFE99890000-0x00007FFE998A0000-memory.dmp

    Filesize

    64KB

  • memory/4884-294-0x00007FFE99890000-0x00007FFE998A0000-memory.dmp

    Filesize

    64KB

  • memory/4884-295-0x00007FFE99890000-0x00007FFE998A0000-memory.dmp

    Filesize

    64KB

  • memory/4884-296-0x00007FFE99890000-0x00007FFE998A0000-memory.dmp

    Filesize

    64KB