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Analysis

  • max time kernel
    117s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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 2 IoCs

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

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\02f6bb0a4a3492090cfa8b18c504086c598ed59ebe97cc2f15c7ff1a0a8f66b0.xlsm
    1⤵
    • System Location Discovery: System Language Discovery
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2736
    • 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:2984

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\rfs.dll

    Filesize

    59KB

    MD5

    2fc1c11a3c2295b3194b1bf83b86982c

    SHA1

    8ae7381b0af50a07310f7ffbecfa780f7740305f

    SHA256

    4ac4fc0780ce238c703abf6b7193462805ecaed4e36cdc2b74a89af0e260cd6c

    SHA512

    58d05cc0e6f3e767156e50a4e082d86799463cf2f8f09df4d0c5e213ffed9db5e912d5f911d58454d2211a8c7c5d65216477f7bdcd9156e1f54f4f52919bb0b8

  • memory/2736-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2736-1-0x000000007201D000-0x0000000072028000-memory.dmp

    Filesize

    44KB

  • memory/2736-20-0x000000007201D000-0x0000000072028000-memory.dmp

    Filesize

    44KB