Analysis

  • max time kernel
    128s
  • max time network
    147s
  • platform
    windows10_x64
  • resource
    win10-20220414-en
  • submitted
    07-07-2022 04:09

General

  • Target

    0c7c774bd24774355eb18daae2287244efda8614307b902a9772f80de00fe665.xls

  • Size

    95KB

  • MD5

    db912064dfaa2d0dfad3429237daf735

  • SHA1

    3377caf5d5b696197237b2a7ec14ca0d6f93720c

  • SHA256

    0c7c774bd24774355eb18daae2287244efda8614307b902a9772f80de00fe665

  • SHA512

    6464270078d2e76c18d4cdfac8b8c84ed3046468a11b2d87238e312f3a5af624d2faf5caea314b689a4d57b6d0f40e069a3dd978d835b7779d61b0e70311103c

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://edoraseguros.com.br/cgi-bin/jQNq9wlH1GXU/

xlm40.dropper

http://earthmach.co.za/libraries/tWkZh9YrXbTd6IeX/

xlm40.dropper

http://finvest.rs/wp-admin/Hr9nVNTIHgw59S/

xlm40.dropper

http://efverstedt.se/5jjaV/w7fLEHJ20xn0qD/

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\0c7c774bd24774355eb18daae2287244efda8614307b902a9772f80de00fe665.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:3308
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
      2⤵
      • Process spawned unexpected child process
      PID:3600
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
      2⤵
      • Process spawned unexpected child process
      PID:2036
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
      2⤵
      • Process spawned unexpected child process
      PID:2052
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
      2⤵
      • Process spawned unexpected child process
      PID:2664

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2036-253-0x0000000000000000-mapping.dmp
  • memory/2052-254-0x0000000000000000-mapping.dmp
  • memory/2664-255-0x0000000000000000-mapping.dmp
  • memory/3308-119-0x00007FFA6DFF0000-0x00007FFA6E000000-memory.dmp
    Filesize

    64KB

  • memory/3308-128-0x00007FFA6B0A0000-0x00007FFA6B0B0000-memory.dmp
    Filesize

    64KB

  • memory/3308-129-0x00007FFA6B0A0000-0x00007FFA6B0B0000-memory.dmp
    Filesize

    64KB

  • memory/3308-116-0x00007FFA6DFF0000-0x00007FFA6E000000-memory.dmp
    Filesize

    64KB

  • memory/3308-118-0x00007FFA6DFF0000-0x00007FFA6E000000-memory.dmp
    Filesize

    64KB

  • memory/3308-117-0x00007FFA6DFF0000-0x00007FFA6E000000-memory.dmp
    Filesize

    64KB

  • memory/3308-292-0x00007FFA6DFF0000-0x00007FFA6E000000-memory.dmp
    Filesize

    64KB

  • memory/3308-294-0x00007FFA6DFF0000-0x00007FFA6E000000-memory.dmp
    Filesize

    64KB

  • memory/3308-293-0x00007FFA6DFF0000-0x00007FFA6E000000-memory.dmp
    Filesize

    64KB

  • memory/3308-295-0x00007FFA6DFF0000-0x00007FFA6E000000-memory.dmp
    Filesize

    64KB

  • memory/3600-252-0x0000000000000000-mapping.dmp