Analysis

  • max time kernel
    121s
  • 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 17:32

General

  • Target

    fee9b11a869311cea1ff31c82b209c92ea89f545cbf65347ce9dda7b79c82fd3.xlsm

  • Size

    30KB

  • MD5

    ce03bc3ce455db1d01ebd79a912524e0

  • SHA1

    b7cfc0172d11178c86b42e8b9f3c7268ea752fad

  • SHA256

    fee9b11a869311cea1ff31c82b209c92ea89f545cbf65347ce9dda7b79c82fd3

  • SHA512

    d0cfa746ce35ae77088536fb1e224e2be16d5707d93eb0aa8dce652139eb37cf904b47f6ba2941ba00acb048451ac25bfe610e0672c2f34d888774e52bb8929f

  • SSDEEP

    384:bwdAZPFhNjUA7icg0SCdiVAg2GKgUrNU/qWhZOdBNPJM+kqr9eCgh0k5NGE6h:sdwFhNbiH2rndFfPdkqstJNGE6h

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://www.ajaxmatters.com/c7g8t/hAQX/

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\fee9b11a869311cea1ff31c82b209c92ea89f545cbf65347ce9dda7b79c82fd3.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:2968
    • 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:600

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\rfs.dll

    Filesize

    23KB

    MD5

    4ed8ca5542b641fddd200acebadf4e3c

    SHA1

    41fd7fb6cb84805fbc229cbf13620f80a5008003

    SHA256

    3f03ee986c82c3be72da6272448f92d97426f53e07079334edeb502f6386cc33

    SHA512

    866719609b7200cdd4d97b6a83d7fb6424d3900b555e23d2db8744539b1ae204c0da0a5e595c676ee4cad7df3f743aad1e746c750cd30afe3a74d89bf188979a

  • memory/2968-1-0x0000000071FCD000-0x0000000071FD8000-memory.dmp

    Filesize

    44KB

  • memory/2968-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2968-26-0x0000000071FCD000-0x0000000071FD8000-memory.dmp

    Filesize

    44KB