Analysis

  • max time kernel
    130s
  • max time network
    149s
  • 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, 22:45

General

  • Target

    cc60666cf8baf4f357ba7313ca35879ad7799371ca03117953a1248b2af1ce7d.xls

  • Size

    217KB

  • MD5

    c7911de4f663065623db94da9ecdad27

  • SHA1

    99da7b8cdd23c8cf51b0c0b7273a0e942634119a

  • SHA256

    cc60666cf8baf4f357ba7313ca35879ad7799371ca03117953a1248b2af1ce7d

  • SHA512

    6ebb0b61faccb7700b8410f439636d7b15026a236157b22465586c479ac77f7d7b62c268f38884806c193e2a434e4e7a7979d191eb4fba349f99dbf2515e3b50

  • SSDEEP

    6144:zKpb8rGYrMPe3q7Q0XV5xtuEsi8/dglyY+TAQXTHGUMEyP5p6f5jQm75nT:1bGUMVWlbp

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\cc60666cf8baf4f357ba7313ca35879ad7799371ca03117953a1248b2af1ce7d.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:3976
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:4932
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv2.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:4896
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv3.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:3008
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv4.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:700

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3976-122-0x00007FFF0A340000-0x00007FFF0A350000-memory.dmp

    Filesize

    64KB

  • memory/3976-119-0x00007FFF0A340000-0x00007FFF0A350000-memory.dmp

    Filesize

    64KB

  • memory/3976-131-0x00007FFF06FD0000-0x00007FFF06FE0000-memory.dmp

    Filesize

    64KB

  • memory/3976-132-0x00007FFF06FD0000-0x00007FFF06FE0000-memory.dmp

    Filesize

    64KB

  • memory/3976-121-0x00007FFF0A340000-0x00007FFF0A350000-memory.dmp

    Filesize

    64KB

  • memory/3976-120-0x00007FFF0A340000-0x00007FFF0A350000-memory.dmp

    Filesize

    64KB

  • memory/3976-293-0x00007FFF0A340000-0x00007FFF0A350000-memory.dmp

    Filesize

    64KB

  • memory/3976-294-0x00007FFF0A340000-0x00007FFF0A350000-memory.dmp

    Filesize

    64KB

  • memory/3976-295-0x00007FFF0A340000-0x00007FFF0A350000-memory.dmp

    Filesize

    64KB

  • memory/3976-296-0x00007FFF0A340000-0x00007FFF0A350000-memory.dmp

    Filesize

    64KB