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Analysis

  • max time kernel
    129s
  • max time network
    146s
  • platform
    windows10-1703_x64
  • resource
    win10-20220812-en
  • resource tags

    arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
  • submitted
    04/11/2022, 05:30

General

  • Target

    b13a80ec8064a62693a6ac15180a6cbd48e3c0bef89be2f7c525258efc350067.xls

  • Size

    217KB

  • MD5

    dab2910a25d6f162a6d723f803ed0416

  • SHA1

    91fa3e449d1f226da2e265720afd7bd3c8debe74

  • SHA256

    b13a80ec8064a62693a6ac15180a6cbd48e3c0bef89be2f7c525258efc350067

  • SHA512

    c34c835113029a5bbc34508513de353958a217ec15e598fc83c79909fc20740d8493380c821277c452b871e78ce2f2f432bd216ccaba121814b7955ee11ea5b2

  • SSDEEP

    6144:zKpb8rGYrMPe3q7Q0XV5xtuEsi8/dglyY+TAQXTHGUMEyP5p6f5jQmo:JbGUMVWlbo

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://aquariorecords.com.br/wp-content/A8G3ownNApEj1L4hF/

xlm40.dropper

http://ftp.pricoat.com.mx/Fichas/3ybJLLXu5zqqn8Sx/

xlm40.dropper

http://armannahalpersian.ir/3H5qqUOB/

xlm40.dropper

http://alagi.ge/application/irnz5Rs8qWvQrf/

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\b13a80ec8064a62693a6ac15180a6cbd48e3c0bef89be2f7c525258efc350067.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:3104
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:3816
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv2.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:4736
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv3.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:3336
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv4.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:2952

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3104-122-0x00007FFD2BB70000-0x00007FFD2BB80000-memory.dmp

    Filesize

    64KB

  • memory/3104-121-0x00007FFD2BB70000-0x00007FFD2BB80000-memory.dmp

    Filesize

    64KB

  • memory/3104-119-0x00007FFD2BB70000-0x00007FFD2BB80000-memory.dmp

    Filesize

    64KB

  • memory/3104-131-0x00007FFD28D90000-0x00007FFD28DA0000-memory.dmp

    Filesize

    64KB

  • memory/3104-132-0x00007FFD28D90000-0x00007FFD28DA0000-memory.dmp

    Filesize

    64KB

  • memory/3104-120-0x00007FFD2BB70000-0x00007FFD2BB80000-memory.dmp

    Filesize

    64KB

  • memory/3104-293-0x00007FFD2BB70000-0x00007FFD2BB80000-memory.dmp

    Filesize

    64KB

  • memory/3104-294-0x00007FFD2BB70000-0x00007FFD2BB80000-memory.dmp

    Filesize

    64KB

  • memory/3104-295-0x00007FFD2BB70000-0x00007FFD2BB80000-memory.dmp

    Filesize

    64KB

  • memory/3104-296-0x00007FFD2BB70000-0x00007FFD2BB80000-memory.dmp

    Filesize

    64KB