Analysis

  • max time kernel
    144s
  • 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, 10:26

General

  • Target

    3e539e156939607cb720f077b0987f49dff7b5a81133fd58a42e26c6bd29dbc1.xls

  • Size

    91KB

  • MD5

    8dd28229206c0a22ab38746134886cf5

  • SHA1

    075ce4f929f4fcad51bc76adc5d13b429c5c1f63

  • SHA256

    3e539e156939607cb720f077b0987f49dff7b5a81133fd58a42e26c6bd29dbc1

  • SHA512

    19d908332b7cab5c228bad237de55542a2f70a4261988bc09971a047c07cbaef46903cd0067520ee3ead9dfe725d915cbcee644b0311df3f0c15050df2fa8555

  • SSDEEP

    1536:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgGbCXuZH4gb4CEn9J4Z/Cs9o2:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgu

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 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\3e539e156939607cb720f077b0987f49dff7b5a81133fd58a42e26c6bd29dbc1.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4628
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4516
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:3916
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4424
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:3680

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/4628-131-0x00007FFF91AB0000-0x00007FFF91AC0000-memory.dmp

          Filesize

          64KB

        • memory/4628-132-0x00007FFF91AB0000-0x00007FFF91AC0000-memory.dmp

          Filesize

          64KB

        • memory/4628-119-0x00007FFF951A0000-0x00007FFF951B0000-memory.dmp

          Filesize

          64KB

        • memory/4628-122-0x00007FFF951A0000-0x00007FFF951B0000-memory.dmp

          Filesize

          64KB

        • memory/4628-121-0x00007FFF951A0000-0x00007FFF951B0000-memory.dmp

          Filesize

          64KB

        • memory/4628-120-0x00007FFF951A0000-0x00007FFF951B0000-memory.dmp

          Filesize

          64KB

        • memory/4628-315-0x00007FFF951A0000-0x00007FFF951B0000-memory.dmp

          Filesize

          64KB

        • memory/4628-316-0x00007FFF951A0000-0x00007FFF951B0000-memory.dmp

          Filesize

          64KB

        • memory/4628-317-0x00007FFF951A0000-0x00007FFF951B0000-memory.dmp

          Filesize

          64KB

        • memory/4628-318-0x00007FFF951A0000-0x00007FFF951B0000-memory.dmp

          Filesize

          64KB