Analysis

  • max time kernel
    128s
  • max time network
    152s
  • 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, 10:53

General

  • Target

    26945232c42add0072d308f4d29ebf627f16b94e6f1b11ea2ff8af75e97e9cd5.xls

  • Size

    91KB

  • MD5

    ce1499c2c4e3c2604d9bbbbed376ff10

  • SHA1

    3109fbd455cde1a8d6d2b6725999314214e6a913

  • SHA256

    26945232c42add0072d308f4d29ebf627f16b94e6f1b11ea2ff8af75e97e9cd5

  • SHA512

    db31606d728d1d2b1d615138a3f3092b935d559a77402902a6d0160f68cde58926641e1b987403d270534fdfcebeadfb6ee143bd00d1e5698bfacb395c3d491f

  • SSDEEP

    1536:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgGbCXuZH4gb4CEn9J4Z/Cs9o2:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgO

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\26945232c42add0072d308f4d29ebf627f16b94e6f1b11ea2ff8af75e97e9cd5.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:2648
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4244
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4276
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:2448
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:692

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2648-118-0x00007FFC31C40000-0x00007FFC31C50000-memory.dmp

          Filesize

          64KB

        • memory/2648-115-0x00007FFC31C40000-0x00007FFC31C50000-memory.dmp

          Filesize

          64KB

        • memory/2648-127-0x00007FFC2E8D0000-0x00007FFC2E8E0000-memory.dmp

          Filesize

          64KB

        • memory/2648-128-0x00007FFC2E8D0000-0x00007FFC2E8E0000-memory.dmp

          Filesize

          64KB

        • memory/2648-117-0x00007FFC31C40000-0x00007FFC31C50000-memory.dmp

          Filesize

          64KB

        • memory/2648-116-0x00007FFC31C40000-0x00007FFC31C50000-memory.dmp

          Filesize

          64KB

        • memory/2648-293-0x00007FFC31C40000-0x00007FFC31C50000-memory.dmp

          Filesize

          64KB

        • memory/2648-294-0x00007FFC31C40000-0x00007FFC31C50000-memory.dmp

          Filesize

          64KB

        • memory/2648-295-0x00007FFC31C40000-0x00007FFC31C50000-memory.dmp

          Filesize

          64KB

        • memory/2648-296-0x00007FFC31C40000-0x00007FFC31C50000-memory.dmp

          Filesize

          64KB