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Analysis

  • max time kernel
    133s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/11/2024, 21:23

General

  • Target

    02f6bb0a4a3492090cfa8b18c504086c598ed59ebe97cc2f15c7ff1a0a8f66b0.xlsm

  • Size

    30KB

  • MD5

    93bd5ed6362ed3ea3eb3d4429b62fd7c

  • SHA1

    2f544abdabdf1c951a8951343e0fea337fbda5cc

  • SHA256

    02f6bb0a4a3492090cfa8b18c504086c598ed59ebe97cc2f15c7ff1a0a8f66b0

  • SHA512

    a1b6964dd207669a1ae31de5df8cd281e2c45c997606a908494cd37af87d765de87ab0ded07d9b6f4ef6e099464c456cb0d8f4029c7b5757d86aabf90560c39f

  • SSDEEP

    384:H842JZPFhNjtOA7icg0SCdiVH2KgUrNU/qWhZOdBNPJM+kqr9eCgh0k5M2E6v:AHFhNZliH2ydFfPdkqstJhE6v

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://henrysfreshroast.com/6cc4ts0bkrOlXq/

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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 3 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\02f6bb0a4a3492090cfa8b18c504086c598ed59ebe97cc2f15c7ff1a0a8f66b0.xlsm"
    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:224
    • C:\Windows\SysWow64\regsvr32.exe
      C:\Windows\SysWow64\regsvr32.exe -s ..\rfs.dll
      2⤵
      • Process spawned unexpected child process
      • System Location Discovery: System Language Discovery
      PID:2612

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

    Filesize

    1KB

    MD5

    ae03a73f671d044237cc654810bf7469

    SHA1

    cd0ad254212e5371cb107c13df565defbfa37cf6

    SHA256

    d9f426956f3742eb648d724aa3265fcca19f625d7cdc33e5d8e809173431618a

    SHA512

    f0c29f10a61eb8ff9b3069a458235feb811f4d3dc3dcd654bff7dffff9cf2696faa7cb72425bc670003c658501cbea1a9c53539aeea392a840bbdddac68fded3

  • C:\Users\Admin\rfs.dll

    Filesize

    59KB

    MD5

    2fc1c11a3c2295b3194b1bf83b86982c

    SHA1

    8ae7381b0af50a07310f7ffbecfa780f7740305f

    SHA256

    4ac4fc0780ce238c703abf6b7193462805ecaed4e36cdc2b74a89af0e260cd6c

    SHA512

    58d05cc0e6f3e767156e50a4e082d86799463cf2f8f09df4d0c5e213ffed9db5e912d5f911d58454d2211a8c7c5d65216477f7bdcd9156e1f54f4f52919bb0b8

  • memory/224-14-0x00007FFA18690000-0x00007FFA186A0000-memory.dmp

    Filesize

    64KB

  • memory/224-46-0x00007FFA5AF70000-0x00007FFA5B165000-memory.dmp

    Filesize

    2.0MB

  • memory/224-2-0x00007FFA1AFF0000-0x00007FFA1B000000-memory.dmp

    Filesize

    64KB

  • memory/224-8-0x00007FFA5AF70000-0x00007FFA5B165000-memory.dmp

    Filesize

    2.0MB

  • memory/224-9-0x00007FFA5AF70000-0x00007FFA5B165000-memory.dmp

    Filesize

    2.0MB

  • memory/224-7-0x00007FFA5AF70000-0x00007FFA5B165000-memory.dmp

    Filesize

    2.0MB

  • memory/224-11-0x00007FFA5AF70000-0x00007FFA5B165000-memory.dmp

    Filesize

    2.0MB

  • memory/224-12-0x00007FFA5AF70000-0x00007FFA5B165000-memory.dmp

    Filesize

    2.0MB

  • memory/224-13-0x00007FFA18690000-0x00007FFA186A0000-memory.dmp

    Filesize

    64KB

  • memory/224-10-0x00007FFA5AF70000-0x00007FFA5B165000-memory.dmp

    Filesize

    2.0MB

  • memory/224-6-0x00007FFA5AF70000-0x00007FFA5B165000-memory.dmp

    Filesize

    2.0MB

  • memory/224-16-0x00007FFA5AF70000-0x00007FFA5B165000-memory.dmp

    Filesize

    2.0MB

  • memory/224-3-0x00007FFA1AFF0000-0x00007FFA1B000000-memory.dmp

    Filesize

    64KB

  • memory/224-0-0x00007FFA1AFF0000-0x00007FFA1B000000-memory.dmp

    Filesize

    64KB

  • memory/224-5-0x00007FFA1AFF0000-0x00007FFA1B000000-memory.dmp

    Filesize

    64KB

  • memory/224-20-0x00007FFA5AF70000-0x00007FFA5B165000-memory.dmp

    Filesize

    2.0MB

  • memory/224-19-0x00007FFA5AF70000-0x00007FFA5B165000-memory.dmp

    Filesize

    2.0MB

  • memory/224-22-0x00007FFA5AF70000-0x00007FFA5B165000-memory.dmp

    Filesize

    2.0MB

  • memory/224-21-0x00007FFA5AF70000-0x00007FFA5B165000-memory.dmp

    Filesize

    2.0MB

  • memory/224-18-0x00007FFA5AF70000-0x00007FFA5B165000-memory.dmp

    Filesize

    2.0MB

  • memory/224-17-0x00007FFA5AF70000-0x00007FFA5B165000-memory.dmp

    Filesize

    2.0MB

  • memory/224-4-0x00007FFA1AFF0000-0x00007FFA1B000000-memory.dmp

    Filesize

    64KB

  • memory/224-44-0x00007FFA5AF70000-0x00007FFA5B165000-memory.dmp

    Filesize

    2.0MB

  • memory/224-45-0x00007FFA5B00D000-0x00007FFA5B00E000-memory.dmp

    Filesize

    4KB

  • memory/224-15-0x00007FFA5AF70000-0x00007FFA5B165000-memory.dmp

    Filesize

    2.0MB

  • memory/224-50-0x00007FFA5AF70000-0x00007FFA5B165000-memory.dmp

    Filesize

    2.0MB

  • memory/224-1-0x00007FFA5B00D000-0x00007FFA5B00E000-memory.dmp

    Filesize

    4KB