Analysis

  • max time kernel
    127s
  • 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, 10:55

General

  • Target

    5961cb49dfde82116ba040b5d56be166276dbeffec12bd49c92b3326d68c9c00.xls

  • Size

    91KB

  • MD5

    afc63355b4ffa492e812b1fcf7748d38

  • SHA1

    6543cfe842b912e3e81945d34a615526ea509f02

  • SHA256

    5961cb49dfde82116ba040b5d56be166276dbeffec12bd49c92b3326d68c9c00

  • SHA512

    6ccecd3a5d3a6cbf51b7a4f2f041ef842127442716dbe1c6b8e347bf1dc2dd3798eb84059abc394c5dd4d3ae2ef9d2ef84acf1bc0ba7833b3beb07235a3c1ea1

  • 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\5961cb49dfde82116ba040b5d56be166276dbeffec12bd49c92b3326d68c9c00.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:3508
    • 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:2076
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:3872
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4536

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/3508-308-0x00007FFC78A50000-0x00007FFC78A60000-memory.dmp

          Filesize

          64KB

        • memory/3508-116-0x00007FFC78A50000-0x00007FFC78A60000-memory.dmp

          Filesize

          64KB

        • memory/3508-117-0x00007FFC78A50000-0x00007FFC78A60000-memory.dmp

          Filesize

          64KB

        • memory/3508-118-0x00007FFC78A50000-0x00007FFC78A60000-memory.dmp

          Filesize

          64KB

        • memory/3508-127-0x00007FFC75BA0000-0x00007FFC75BB0000-memory.dmp

          Filesize

          64KB

        • memory/3508-128-0x00007FFC75BA0000-0x00007FFC75BB0000-memory.dmp

          Filesize

          64KB

        • memory/3508-115-0x00007FFC78A50000-0x00007FFC78A60000-memory.dmp

          Filesize

          64KB

        • memory/3508-309-0x00007FFC78A50000-0x00007FFC78A60000-memory.dmp

          Filesize

          64KB

        • memory/3508-306-0x00007FFC78A50000-0x00007FFC78A60000-memory.dmp

          Filesize

          64KB

        • memory/3508-307-0x00007FFC78A50000-0x00007FFC78A60000-memory.dmp

          Filesize

          64KB