Analysis

  • max time kernel
    145s
  • max time network
    147s
  • 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, 19:10

General

  • Target

    83a4e44b20057157c021fb16df5c258fa6b4742d356ecdb8b69a8cafa1e1faf4.xls

  • Size

    91KB

  • MD5

    e0bd7b40af13bed6bd3c7909ab3150a1

  • SHA1

    1fd12f96e6e11e7c16bd39f30bf9ba4a9f9aa91d

  • SHA256

    83a4e44b20057157c021fb16df5c258fa6b4742d356ecdb8b69a8cafa1e1faf4

  • SHA512

    63fb7fe71b49f357ff578ec2171c2eed425453d4263c6b253197e907a50a6432a236776ac3612127afcb601e95ec6b1666fe4bed9d29c688bd4282e62c395e22

  • SSDEEP

    1536:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg2bCXuZH4gb4CEn9J4Zmcvp:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgu

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\83a4e44b20057157c021fb16df5c258fa6b4742d356ecdb8b69a8cafa1e1faf4.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2820
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:5024
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4180
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:3160
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4444

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2820-120-0x00007FFCC7A70000-0x00007FFCC7A80000-memory.dmp

          Filesize

          64KB

        • memory/2820-121-0x00007FFCC7A70000-0x00007FFCC7A80000-memory.dmp

          Filesize

          64KB

        • memory/2820-122-0x00007FFCC7A70000-0x00007FFCC7A80000-memory.dmp

          Filesize

          64KB

        • memory/2820-123-0x00007FFCC7A70000-0x00007FFCC7A80000-memory.dmp

          Filesize

          64KB

        • memory/2820-132-0x00007FFCC4B10000-0x00007FFCC4B20000-memory.dmp

          Filesize

          64KB

        • memory/2820-133-0x00007FFCC4B10000-0x00007FFCC4B20000-memory.dmp

          Filesize

          64KB