Analysis

  • max time kernel
    129s
  • max time network
    131s
  • platform
    windows10-1703_x64
  • resource
    win10-20220812-en
  • resource tags

    arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
  • submitted
    10/11/2022, 10:44

General

  • Target

    b4be302e36a83de5b151bf71f646395b79ab52b439bb4a8b67b9a13a7a0ecaab.xls

  • Size

    91KB

  • MD5

    57e71466e77c5aa5e63681ce5280876f

  • SHA1

    aa0daa529f2f86e04c97bf80019172749fef1f45

  • SHA256

    b4be302e36a83de5b151bf71f646395b79ab52b439bb4a8b67b9a13a7a0ecaab

  • SHA512

    a641663ecf1a3f94ebd80045a71c28d0d20e286291dafd6be7b5b1d75e0df4ab83a7f0845da360f1e35fc26c84a0199577a1c5759b4ae98473224f97e8b2462a

  • SSDEEP

    1536:eKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgqbCXuZH4gb4CEn9J4Z3z3:eKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgG

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://www.conceptagency.net/css/b8eaKN/

xlm40.dropper

https://bencevendeghaz.hu/2zjoi/cwfKJOzA/

xlm40.dropper

http://45.32.114.141/xilte/Uqm6Eysf3Hkjwh/

xlm40.dropper

http://ruitaiwz.com/wp-admin/MXlp5IsUKwT1k0DtzT/

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\b4be302e36a83de5b151bf71f646395b79ab52b439bb4a8b67b9a13a7a0ecaab.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1020
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4464
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4428
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:2332
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:3896

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1020-297-0x00007FFE48530000-0x00007FFE48540000-memory.dmp

          Filesize

          64KB

        • memory/1020-117-0x00007FFE48530000-0x00007FFE48540000-memory.dmp

          Filesize

          64KB

        • memory/1020-118-0x00007FFE48530000-0x00007FFE48540000-memory.dmp

          Filesize

          64KB

        • memory/1020-119-0x00007FFE48530000-0x00007FFE48540000-memory.dmp

          Filesize

          64KB

        • memory/1020-128-0x00007FFE449C0000-0x00007FFE449D0000-memory.dmp

          Filesize

          64KB

        • memory/1020-129-0x00007FFE449C0000-0x00007FFE449D0000-memory.dmp

          Filesize

          64KB

        • memory/1020-299-0x00007FFE48530000-0x00007FFE48540000-memory.dmp

          Filesize

          64KB

        • memory/1020-298-0x00007FFE48530000-0x00007FFE48540000-memory.dmp

          Filesize

          64KB

        • memory/1020-116-0x00007FFE48530000-0x00007FFE48540000-memory.dmp

          Filesize

          64KB

        • memory/1020-296-0x00007FFE48530000-0x00007FFE48540000-memory.dmp

          Filesize

          64KB