Analysis

  • max time kernel
    128s
  • max time network
    131s
  • platform
    windows10_x64
  • resource
    win10-20220414-en
  • submitted
    07-07-2022 04:38

General

  • Target

    0bea2e002fc3342379e6e46085f4348a9311b515f7a8a544f84ecd4a3913ea00.xls

  • Size

    95KB

  • MD5

    efdccd892c56a6abe2d46715b89edcba

  • SHA1

    0412cf7404530ecc2aadcb9bb12dff71f4bf69ef

  • SHA256

    0bea2e002fc3342379e6e46085f4348a9311b515f7a8a544f84ecd4a3913ea00

  • SHA512

    2ce77ea80414c204bc76b28c119aed32262a460fe87d58f9669880d4837495e9919304e718320164360e6452deab1eac1262ee4f01de444401ef2997a68380a0

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\0bea2e002fc3342379e6e46085f4348a9311b515f7a8a544f84ecd4a3913ea00.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:2844
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
      2⤵
      • Process spawned unexpected child process
      PID:4908
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
      2⤵
      • Process spawned unexpected child process
      PID:5012
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
      2⤵
      • Process spawned unexpected child process
      PID:1732
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
      2⤵
      • Process spawned unexpected child process
      PID:3444

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/1732-257-0x0000000000000000-mapping.dmp
  • memory/2844-298-0x00007FFD71990000-0x00007FFD719A0000-memory.dmp
    Filesize

    64KB

  • memory/2844-120-0x00007FFD71990000-0x00007FFD719A0000-memory.dmp
    Filesize

    64KB

  • memory/2844-121-0x00007FFD71990000-0x00007FFD719A0000-memory.dmp
    Filesize

    64KB

  • memory/2844-122-0x00007FFD71990000-0x00007FFD719A0000-memory.dmp
    Filesize

    64KB

  • memory/2844-131-0x00007FFD6EC30000-0x00007FFD6EC40000-memory.dmp
    Filesize

    64KB

  • memory/2844-132-0x00007FFD6EC30000-0x00007FFD6EC40000-memory.dmp
    Filesize

    64KB

  • memory/2844-300-0x00007FFD71990000-0x00007FFD719A0000-memory.dmp
    Filesize

    64KB

  • memory/2844-299-0x00007FFD71990000-0x00007FFD719A0000-memory.dmp
    Filesize

    64KB

  • memory/2844-119-0x00007FFD71990000-0x00007FFD719A0000-memory.dmp
    Filesize

    64KB

  • memory/2844-297-0x00007FFD71990000-0x00007FFD719A0000-memory.dmp
    Filesize

    64KB

  • memory/3444-258-0x0000000000000000-mapping.dmp
  • memory/4908-255-0x0000000000000000-mapping.dmp
  • memory/5012-256-0x0000000000000000-mapping.dmp