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Analysis

  • max time kernel
    131s
  • max time network
    134s
  • 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, 16:09

General

  • Target

    61bf1453572a11da0b81364eaf6b11db46f8a4568c8d939baf5dcd541e6fe18f.xls

  • Size

    217KB

  • MD5

    4de17a7f5f149382f4a7632dfce6e079

  • SHA1

    046191f043e23361217a1805f28144cb91314f25

  • SHA256

    61bf1453572a11da0b81364eaf6b11db46f8a4568c8d939baf5dcd541e6fe18f

  • SHA512

    1dd5d95e23ce1afb29420fe2e3bfdec833d9a0d2a3dde8829f4723e74db0f559d8a838948cf4b3e2dcd3b23700056aaff1b9d9754b40bfa514b52f04e7905d28

  • SSDEEP

    6144:OKpb8rGYrMPe3q7Q0XV5xtuEsi8/dgIyY+TAQXTHGUMEyP5p6f5jQmH:bbGUMVWlbH

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\61bf1453572a11da0b81364eaf6b11db46f8a4568c8d939baf5dcd541e6fe18f.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:1020
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:4268
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv2.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:4284
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv3.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:3168
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv4.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:4464

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1020-296-0x00007FFE48530000-0x00007FFE48540000-memory.dmp

    Filesize

    64KB

  • memory/1020-118-0x00007FFE48530000-0x00007FFE48540000-memory.dmp

    Filesize

    64KB

  • memory/1020-119-0x00007FFE48530000-0x00007FFE48540000-memory.dmp

    Filesize

    64KB

  • memory/1020-120-0x00007FFE48530000-0x00007FFE48540000-memory.dmp

    Filesize

    64KB

  • memory/1020-129-0x00007FFE449C0000-0x00007FFE449D0000-memory.dmp

    Filesize

    64KB

  • memory/1020-130-0x00007FFE449C0000-0x00007FFE449D0000-memory.dmp

    Filesize

    64KB

  • memory/1020-117-0x00007FFE48530000-0x00007FFE48540000-memory.dmp

    Filesize

    64KB

  • memory/1020-298-0x00007FFE48530000-0x00007FFE48540000-memory.dmp

    Filesize

    64KB

  • memory/1020-297-0x00007FFE48530000-0x00007FFE48540000-memory.dmp

    Filesize

    64KB

  • memory/1020-295-0x00007FFE48530000-0x00007FFE48540000-memory.dmp

    Filesize

    64KB