Analysis

  • max time kernel
    130s
  • max time network
    147s
  • 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, 10:59

General

  • Target

    d7608ffe8069b797ee6ba7f700fec644c3604c0010b90adbc2eb7a552e732a13.xls

  • Size

    91KB

  • MD5

    6bf62ab931fb4f0a1245d63099e07f81

  • SHA1

    fedda7cc60f91c1daab6b1da026cdb968ab882ae

  • SHA256

    d7608ffe8069b797ee6ba7f700fec644c3604c0010b90adbc2eb7a552e732a13

  • SHA512

    3c527fdf2061284b3ddef331db53098ce3b167714b4c8c84dc9809f3160637cc553d75c36f34fc665de04a7185861c10b449eadc902a817ec1a8e326d909b072

  • SSDEEP

    1536:eKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgqbCXuZH4gb4CEn9J4ZXz3:eKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgm

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 FindShellTrayWindow 2 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\d7608ffe8069b797ee6ba7f700fec644c3604c0010b90adbc2eb7a552e732a13.xls"
    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:3808
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4412
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4364
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4332
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4028

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/3808-310-0x00007FFCA50A0000-0x00007FFCA50B0000-memory.dmp

          Filesize

          64KB

        • memory/3808-117-0x00007FFCA50A0000-0x00007FFCA50B0000-memory.dmp

          Filesize

          64KB

        • memory/3808-118-0x00007FFCA50A0000-0x00007FFCA50B0000-memory.dmp

          Filesize

          64KB

        • memory/3808-119-0x00007FFCA50A0000-0x00007FFCA50B0000-memory.dmp

          Filesize

          64KB

        • memory/3808-128-0x00007FFCA17E0000-0x00007FFCA17F0000-memory.dmp

          Filesize

          64KB

        • memory/3808-129-0x00007FFCA17E0000-0x00007FFCA17F0000-memory.dmp

          Filesize

          64KB

        • memory/3808-313-0x00007FFCA50A0000-0x00007FFCA50B0000-memory.dmp

          Filesize

          64KB

        • memory/3808-312-0x00007FFCA50A0000-0x00007FFCA50B0000-memory.dmp

          Filesize

          64KB

        • memory/3808-311-0x00007FFCA50A0000-0x00007FFCA50B0000-memory.dmp

          Filesize

          64KB

        • memory/3808-116-0x00007FFCA50A0000-0x00007FFCA50B0000-memory.dmp

          Filesize

          64KB