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Analysis

  • max time kernel
    145s
  • 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, 05:46

General

  • Target

    6886b074073752904eb5659f2a0c7c17aaeee46c6b2ea46ff8cc3abcbe825bcd.xls

  • Size

    217KB

  • MD5

    0181e3d8bd19a94ccc29abd2b7b7ccb8

  • SHA1

    7715b185ad0f08ee0b1a945876adf8f4f3ca1158

  • SHA256

    6886b074073752904eb5659f2a0c7c17aaeee46c6b2ea46ff8cc3abcbe825bcd

  • SHA512

    fa577f8ca3cac2f72d0ebda91783caad3ca73503245739c55ad3a0cf09051b4615c113eacc7bbf98a0bc795d1d1cfb6f4f016a92f7033f44d1079bf4fe434f23

  • SSDEEP

    6144:zKpb8rGYrMPe3q7Q0XV5xtuEsi8/dglyY+TAQXTHGUMEyP5p6f5jQm7JnT:1bGUMVWlb5

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\6886b074073752904eb5659f2a0c7c17aaeee46c6b2ea46ff8cc3abcbe825bcd.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:1860
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:5016
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv2.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:4064
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv3.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:1704
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv4.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:4284

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1860-295-0x00007FFF951A0000-0x00007FFF951B0000-memory.dmp

    Filesize

    64KB

  • memory/1860-120-0x00007FFF951A0000-0x00007FFF951B0000-memory.dmp

    Filesize

    64KB

  • memory/1860-122-0x00007FFF951A0000-0x00007FFF951B0000-memory.dmp

    Filesize

    64KB

  • memory/1860-121-0x00007FFF951A0000-0x00007FFF951B0000-memory.dmp

    Filesize

    64KB

  • memory/1860-131-0x00007FFF91AB0000-0x00007FFF91AC0000-memory.dmp

    Filesize

    64KB

  • memory/1860-132-0x00007FFF91AB0000-0x00007FFF91AC0000-memory.dmp

    Filesize

    64KB

  • memory/1860-296-0x00007FFF951A0000-0x00007FFF951B0000-memory.dmp

    Filesize

    64KB

  • memory/1860-119-0x00007FFF951A0000-0x00007FFF951B0000-memory.dmp

    Filesize

    64KB

  • memory/1860-293-0x00007FFF951A0000-0x00007FFF951B0000-memory.dmp

    Filesize

    64KB

  • memory/1860-294-0x00007FFF951A0000-0x00007FFF951B0000-memory.dmp

    Filesize

    64KB