Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows10-1703_x64
  • resource
    win10-20220901-en
  • resource tags

    arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
  • submitted
    09/11/2022, 19:12

General

  • Target

    673b59f757ef341d828ec79553a3fa43c73a1ded66050c063adc842233f3e000.xls

  • Size

    91KB

  • MD5

    aeddeb4c52d372f13acbf8ed9b805773

  • SHA1

    b860e8925f809b4e3007b4792c4e1e71fa3070e9

  • SHA256

    673b59f757ef341d828ec79553a3fa43c73a1ded66050c063adc842233f3e000

  • SHA512

    a176b4b9bb8d3ea4e963d4ba02ce09d7339827c66637cf6d218ee94abb9e5da6d2731d624b6ddcc74680242092ff85366252081857cca21a4eee0265e05bd864

  • SSDEEP

    1536:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg2bCXuZH4gb4CEn9J4ZGcvp:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgO

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://bundlefilm.com/headers/lkfBH3Czw9CjEW07P2/

xlm40.dropper

http://camsanparke.net/wp-content/h2Ja5bwB03hnyfCb/

xlm40.dropper

http://royreid.co.uk/wp-content/dCwG/

xlm40.dropper

https://cs.com.sg/admin/a1lR5wu/

Signatures

  • Process spawned unexpected child process 4 IoCs

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

  • 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 SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 8 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\673b59f757ef341d828ec79553a3fa43c73a1ded66050c063adc842233f3e000.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4732
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:3088
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4604
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4436
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4668

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/4732-117-0x00007FFDF03F0000-0x00007FFDF0400000-memory.dmp

          Filesize

          64KB

        • memory/4732-118-0x00007FFDF03F0000-0x00007FFDF0400000-memory.dmp

          Filesize

          64KB

        • memory/4732-119-0x00007FFDF03F0000-0x00007FFDF0400000-memory.dmp

          Filesize

          64KB

        • memory/4732-120-0x00007FFDF03F0000-0x00007FFDF0400000-memory.dmp

          Filesize

          64KB

        • memory/4732-129-0x00007FFDED620000-0x00007FFDED630000-memory.dmp

          Filesize

          64KB

        • memory/4732-130-0x00007FFDED620000-0x00007FFDED630000-memory.dmp

          Filesize

          64KB