Analysis

  • max time kernel
    127s
  • 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, 10:40

General

  • Target

    e64549e88b14c5d72ce5c38e58c6fc8277eb913e10e5b34380cbd40fdc2833d9.xls

  • Size

    91KB

  • MD5

    5e526732866804a265eac2f6287914b6

  • SHA1

    c69aeb18ecbde20081fa6933eeb1b50db342a80f

  • SHA256

    e64549e88b14c5d72ce5c38e58c6fc8277eb913e10e5b34380cbd40fdc2833d9

  • SHA512

    f6142c20412a446b982dadf2db61b9f6dbe6a0b9e779be950ff7bbf37f94f23dca0cbf69e42216fd7d8ea4a6ff4f6eddcebbd29cc60c7bb80760338645119671

  • 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\e64549e88b14c5d72ce5c38e58c6fc8277eb913e10e5b34380cbd40fdc2833d9.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:3984
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:3336
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:3848
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4688
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4524

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/3984-122-0x00007FFD2BB70000-0x00007FFD2BB80000-memory.dmp

          Filesize

          64KB

        • memory/3984-119-0x00007FFD2BB70000-0x00007FFD2BB80000-memory.dmp

          Filesize

          64KB

        • memory/3984-131-0x00007FFD28D90000-0x00007FFD28DA0000-memory.dmp

          Filesize

          64KB

        • memory/3984-132-0x00007FFD28D90000-0x00007FFD28DA0000-memory.dmp

          Filesize

          64KB

        • memory/3984-121-0x00007FFD2BB70000-0x00007FFD2BB80000-memory.dmp

          Filesize

          64KB

        • memory/3984-120-0x00007FFD2BB70000-0x00007FFD2BB80000-memory.dmp

          Filesize

          64KB

        • memory/3984-297-0x00007FFD2BB70000-0x00007FFD2BB80000-memory.dmp

          Filesize

          64KB

        • memory/3984-298-0x00007FFD2BB70000-0x00007FFD2BB80000-memory.dmp

          Filesize

          64KB

        • memory/3984-299-0x00007FFD2BB70000-0x00007FFD2BB80000-memory.dmp

          Filesize

          64KB

        • memory/3984-300-0x00007FFD2BB70000-0x00007FFD2BB80000-memory.dmp

          Filesize

          64KB