Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-11-2024 16:41

General

  • Target

    7e719ee6bcf016f525c302a96135f649eed29a4f01428793ea82097f6dd622cd.xlsm

  • Size

    32KB

  • MD5

    a1409d09dd35fb9a308ae78cb1bd5f7c

  • SHA1

    c5b2ff0b27494854dbd5ab84f9c5d712e886a1b1

  • SHA256

    7e719ee6bcf016f525c302a96135f649eed29a4f01428793ea82097f6dd622cd

  • SHA512

    7f14d74dd661a9c28ef58da9d546f0988aeaad3e5610ef2486d372f9c1eb5d26d29f2169a538124667b2482b315a119cd44be987c5178e95db6cb931b148214c

  • SSDEEP

    384:wjzZPFhNjqEBOA7iEibbwBLg0SCdiVXUKgUrNU/qWhZOdBNPJM+kqr9eCgh0k5lY:wjpFhNNlizXT28dFfPdkqstJmE6/

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://casache.com/web/n3jxwXXwa/

xlm40.dropper

https://www.blessingsource.com/blessingsource.com/rFQ0Ip6lQXXK/

xlm40.dropper

http://ccalaire.com/wp-admin/d1pGRa0X/

xlm40.dropper

http://cdimprintpr.com/brochure2/A9NmYDndZ/

xlm40.dropper

http://careerplan.host20.uk/images/Ls/

xlm40.dropper

http://ausnz.net/2010wc/odSi5tQKkCIXEWl9/

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\7e719ee6bcf016f525c302a96135f649eed29a4f01428793ea82097f6dd622cd.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:2340
    • 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:872

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    2KB

    MD5

    dc50faa8a113d4657a59948cdb83180b

    SHA1

    e2f6488a6c6bbc9d2c45220eb2212481b55b98f6

    SHA256

    b9be8abf57bd91e9876cc3b773fd7f9fef40d60a68a66873aa58322007d41c3c

    SHA512

    9f4075a653ddce660543778d1131f663ab0039d0399bf26ce2ed285035a32687d575030e687a8ff0ede57dfc1a7b3591f8beedbd95efea257962e5dd90fb0e93

  • C:\Users\Admin\rfs.dll

    Filesize

    168KB

    MD5

    24777d6c462f17ed76d635df55cd09e8

    SHA1

    026f3b82ac2cc5a6603fa7094734990045709621

    SHA256

    b654baf3b7feaaff76aef842cef9132eb1d2379d3d110b21fe6422b909503a23

    SHA512

    064b5bb10457404dbdfa706c081b086daca7353874252192f728ae24c7cab646bda84ee5943528cad70209bf7571a14cbb6d0d35fbd6f9782151f1a481ee0405

  • memory/2340-14-0x00007FF971A90000-0x00007FF971AA0000-memory.dmp

    Filesize

    64KB

  • memory/2340-54-0x00007FF9B3A70000-0x00007FF9B3C65000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-6-0x00007FF9B3A70000-0x00007FF9B3C65000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-8-0x00007FF9B3A70000-0x00007FF9B3C65000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-10-0x00007FF9B3A70000-0x00007FF9B3C65000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-12-0x00007FF9B3A70000-0x00007FF9B3C65000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-11-0x00007FF9B3A70000-0x00007FF9B3C65000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-13-0x00007FF971A90000-0x00007FF971AA0000-memory.dmp

    Filesize

    64KB

  • memory/2340-9-0x00007FF9B3A70000-0x00007FF9B3C65000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-7-0x00007FF9B3A70000-0x00007FF9B3C65000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-1-0x00007FF9B3B0D000-0x00007FF9B3B0E000-memory.dmp

    Filesize

    4KB

  • memory/2340-4-0x00007FF973AF0000-0x00007FF973B00000-memory.dmp

    Filesize

    64KB

  • memory/2340-19-0x00007FF9B3A70000-0x00007FF9B3C65000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-18-0x00007FF9B3A70000-0x00007FF9B3C65000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-16-0x00007FF9B3A70000-0x00007FF9B3C65000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-17-0x00007FF9B3A70000-0x00007FF9B3C65000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-15-0x00007FF9B3A70000-0x00007FF9B3C65000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-2-0x00007FF973AF0000-0x00007FF973B00000-memory.dmp

    Filesize

    64KB

  • memory/2340-47-0x00007FF9B3A70000-0x00007FF9B3C65000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-48-0x00007FF9B3B0D000-0x00007FF9B3B0E000-memory.dmp

    Filesize

    4KB

  • memory/2340-49-0x00007FF9B3A70000-0x00007FF9B3C65000-memory.dmp

    Filesize

    2.0MB

  • memory/2340-3-0x00007FF973AF0000-0x00007FF973B00000-memory.dmp

    Filesize

    64KB

  • memory/2340-5-0x00007FF973AF0000-0x00007FF973B00000-memory.dmp

    Filesize

    64KB

  • memory/2340-0-0x00007FF973AF0000-0x00007FF973B00000-memory.dmp

    Filesize

    64KB