Analysis

  • max time kernel
    125s
  • max time network
    149s
  • 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, 10:48

General

  • Target

    9124b898fa06f9508e130b1f1b61ae6a4cd513bdf100d79b54fdc722d3604b8d.xls

  • Size

    91KB

  • MD5

    324d88fa21627f1775fd7761303c0075

  • SHA1

    24537813ec765b84ef32d143eff38170177685c4

  • SHA256

    9124b898fa06f9508e130b1f1b61ae6a4cd513bdf100d79b54fdc722d3604b8d

  • SHA512

    923ccd7feecdacf63a870a63f43f1ca75d32331db24ab26a00721e3cd9053e1bff13ebcd4ec2d305a3e7fbdd9a56b52bd7d8e3ba4b5889c571e1e76ad5d2a48d

  • SSDEEP

    1536:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgGbCXuZH4gb4CEn9J4Z/Cs9o2:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgG

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\9124b898fa06f9508e130b1f1b61ae6a4cd513bdf100d79b54fdc722d3604b8d.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:3804
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4748
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:3204
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4848
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:3228

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/3804-118-0x00007FFF9CED0000-0x00007FFF9CEE0000-memory.dmp

          Filesize

          64KB

        • memory/3804-115-0x00007FFF9CED0000-0x00007FFF9CEE0000-memory.dmp

          Filesize

          64KB

        • memory/3804-127-0x00007FFF994D0000-0x00007FFF994E0000-memory.dmp

          Filesize

          64KB

        • memory/3804-128-0x00007FFF994D0000-0x00007FFF994E0000-memory.dmp

          Filesize

          64KB

        • memory/3804-117-0x00007FFF9CED0000-0x00007FFF9CEE0000-memory.dmp

          Filesize

          64KB

        • memory/3804-116-0x00007FFF9CED0000-0x00007FFF9CEE0000-memory.dmp

          Filesize

          64KB

        • memory/3804-291-0x00007FFF9CED0000-0x00007FFF9CEE0000-memory.dmp

          Filesize

          64KB

        • memory/3804-292-0x00007FFF9CED0000-0x00007FFF9CEE0000-memory.dmp

          Filesize

          64KB

        • memory/3804-293-0x00007FFF9CED0000-0x00007FFF9CEE0000-memory.dmp

          Filesize

          64KB

        • memory/3804-294-0x00007FFF9CED0000-0x00007FFF9CEE0000-memory.dmp

          Filesize

          64KB