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
    20-11-2024 17:50

General

  • Target

    94be69e8d99af1485037343d4a3bd0aa87a04b780654c9d36606c0dd37a20f56.xlsm

  • Size

    30KB

  • MD5

    f0a45501788b20a08008b2466ad4b916

  • SHA1

    b585ed2158e171b411276ef035c3f3d4230e0512

  • SHA256

    94be69e8d99af1485037343d4a3bd0aa87a04b780654c9d36606c0dd37a20f56

  • SHA512

    ae270b383fa3c739a72076866d793d0b56487460d5328a21d77339b5440f419a51fd48fb9e5bdaf38a2d599fa374f2a0672be9a4e1810e1aee358d80ed556950

  • 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\94be69e8d99af1485037343d4a3bd0aa87a04b780654c9d36606c0dd37a20f56.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:2980
    • 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:2068

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\rfs.dll

    Filesize

    56KB

    MD5

    d5cbf3235a39c09c9d292dafdf0393a5

    SHA1

    ae109e202e6f0965b47f38ee29b3725800939a9f

    SHA256

    208d15c175407bc56c9e1d1a6e31290cf8c04fe1da742e4ad0dbe06960b7f1dd

    SHA512

    202212aeb1cabe772e05ec7649b83be4a04b68b644a1621993e91e370dc0b9de268ea50f0dab3a74178ecb648d06b5173222d3ed1f0e31d04abeded020b079bd

  • memory/2980-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2980-1-0x000000007252D000-0x0000000072538000-memory.dmp

    Filesize

    44KB

  • memory/2980-20-0x000000007252D000-0x0000000072538000-memory.dmp

    Filesize

    44KB