Analysis

  • max time kernel
    128s
  • max time network
    130s
  • 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, 10:42

General

  • Target

    86dab2ea12761b285443fb7be4a5a9eca8541d1c5f7eafc3b9335b727b868278.xls

  • Size

    91KB

  • MD5

    5bbf7d6a0b396a3534852500f7939494

  • SHA1

    d2b8d30df7b3c941f4d48d0e0fbcf0e258c451b7

  • SHA256

    86dab2ea12761b285443fb7be4a5a9eca8541d1c5f7eafc3b9335b727b868278

  • SHA512

    1428568bd61897aa1ebffb648386f830a5688f030e009fc2d0d2ab67b7f06de488247710c9ac0c8d23e94e1c0098036140aed80fe572480c98cd9c49d3342c4c

  • SSDEEP

    1536:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgGbCXuZH4gb4CEn9J4Z/is9o2:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgm

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://bosny.com/aspnet_client/R50QIOGjmvVlr/

xlm40.dropper

http://navylin.com/autopoisonous/4fZQW/

xlm40.dropper

http://asrani.garudaputih.com/nutabalong/bJYqoUIr99qNfoPDx/

xlm40.dropper

http://db.rikaz.tech/lCx76IlkrBtEsqNFA7/zPYJzpOnzstNOiRHob/

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\86dab2ea12761b285443fb7be4a5a9eca8541d1c5f7eafc3b9335b727b868278.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:5016
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:3220
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:3228
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:3084
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4380

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/5016-131-0x00007FFAED120000-0x00007FFAED130000-memory.dmp

          Filesize

          64KB

        • memory/5016-132-0x00007FFAED120000-0x00007FFAED130000-memory.dmp

          Filesize

          64KB

        • memory/5016-122-0x00007FFAF0250000-0x00007FFAF0260000-memory.dmp

          Filesize

          64KB

        • memory/5016-121-0x00007FFAF0250000-0x00007FFAF0260000-memory.dmp

          Filesize

          64KB

        • memory/5016-120-0x00007FFAF0250000-0x00007FFAF0260000-memory.dmp

          Filesize

          64KB

        • memory/5016-119-0x00007FFAF0250000-0x00007FFAF0260000-memory.dmp

          Filesize

          64KB

        • memory/5016-297-0x00007FFAF0250000-0x00007FFAF0260000-memory.dmp

          Filesize

          64KB

        • memory/5016-298-0x00007FFAF0250000-0x00007FFAF0260000-memory.dmp

          Filesize

          64KB

        • memory/5016-299-0x00007FFAF0250000-0x00007FFAF0260000-memory.dmp

          Filesize

          64KB

        • memory/5016-300-0x00007FFAF0250000-0x00007FFAF0260000-memory.dmp

          Filesize

          64KB