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Analysis

  • max time kernel
    147s
  • max time network
    146s
  • platform
    windows10-1703_x64
  • resource
    win10-20220901-en
  • resource tags

    arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
  • submitted
    03/11/2022, 14:17

General

  • Target

    f30d7d5b39245a6c2350c535d1b4d4dc5aeea540916bed4cef7fb61b39796326.xls

  • Size

    217KB

  • MD5

    2b56de8c77b3cd04c40b246d9416180c

  • SHA1

    d20f631ae1d10ca140460968f392613990b49caf

  • SHA256

    f30d7d5b39245a6c2350c535d1b4d4dc5aeea540916bed4cef7fb61b39796326

  • SHA512

    d2f455ebcae7377b304c4d204a71490d8fcbf54c5f7d281bc545dac1ecda2c4638f4a26d5bc1254b4e504644dd295866b8eb590dff5c0e6ea3ffb00333638828

  • SSDEEP

    6144:OKpb8rGYrMPe3q7Q0XV5xtuEsi8/dgIyY+TAQXTHGUMEyP5p6f5jQmn:bbGUMVWlbn

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://aprendeconmireia.com/images/wBu/

xlm40.dropper

http://updailymail.com/cgi-bin/gBYmfqRi2utIS2n/

xlm40.dropper

https://akuntansi.itny.ac.id/asset/9aVFvYeaSKOhGBSLx/

xlm40.dropper

http://swiftwebbox.com/cgi-bin/vNqoMtQilpysJYRwtGu/

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\f30d7d5b39245a6c2350c535d1b4d4dc5aeea540916bed4cef7fb61b39796326.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:4732
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:5076
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv2.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:5088
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv3.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:4472
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv4.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:4056

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/4732-117-0x00007FFDF03F0000-0x00007FFDF0400000-memory.dmp

    Filesize

    64KB

  • memory/4732-118-0x00007FFDF03F0000-0x00007FFDF0400000-memory.dmp

    Filesize

    64KB

  • memory/4732-119-0x00007FFDF03F0000-0x00007FFDF0400000-memory.dmp

    Filesize

    64KB

  • memory/4732-120-0x00007FFDF03F0000-0x00007FFDF0400000-memory.dmp

    Filesize

    64KB

  • memory/4732-129-0x00007FFDED620000-0x00007FFDED630000-memory.dmp

    Filesize

    64KB

  • memory/4732-130-0x00007FFDED620000-0x00007FFDED630000-memory.dmp

    Filesize

    64KB