Analysis

  • max time kernel
    127s
  • max time network
    147s
  • platform
    windows10_x64
  • resource
    win10-20220414-en
  • submitted
    07-07-2022 03:30

General

  • Target

    2ceaa6191ea884a90ae8a3f03c9121bd96d743256a5f3246569386d7a8b8726f.xls

  • Size

    95KB

  • MD5

    199bec354265f745b4d4f4df519e7793

  • SHA1

    23958175d4b148a155895bb4533a2509cd30e65b

  • SHA256

    2ceaa6191ea884a90ae8a3f03c9121bd96d743256a5f3246569386d7a8b8726f

  • SHA512

    7b711800f7299f9d0c3f418db103b054c8685bd8764db76161fb09b6ced14f2219c667892671b6d35d1f0d16911960902195495b38f0ae63338f8c77311286a2

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\2ceaa6191ea884a90ae8a3f03c9121bd96d743256a5f3246569386d7a8b8726f.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:2084
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
      2⤵
      • Process spawned unexpected child process
      PID:2216
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
      2⤵
      • Process spawned unexpected child process
      PID:3348
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
      2⤵
      • Process spawned unexpected child process
      PID:3484
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
      2⤵
      • Process spawned unexpected child process
      PID:992

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/992-271-0x0000000000000000-mapping.dmp
  • memory/2084-119-0x00007FFCDD480000-0x00007FFCDD490000-memory.dmp
    Filesize

    64KB

  • memory/2084-118-0x00007FFCDD480000-0x00007FFCDD490000-memory.dmp
    Filesize

    64KB

  • memory/2084-116-0x00007FFCDD480000-0x00007FFCDD490000-memory.dmp
    Filesize

    64KB

  • memory/2084-128-0x00007FFCDA930000-0x00007FFCDA940000-memory.dmp
    Filesize

    64KB

  • memory/2084-129-0x00007FFCDA930000-0x00007FFCDA940000-memory.dmp
    Filesize

    64KB

  • memory/2084-117-0x00007FFCDD480000-0x00007FFCDD490000-memory.dmp
    Filesize

    64KB

  • memory/2084-308-0x00007FFCDD480000-0x00007FFCDD490000-memory.dmp
    Filesize

    64KB

  • memory/2084-309-0x00007FFCDD480000-0x00007FFCDD490000-memory.dmp
    Filesize

    64KB

  • memory/2084-310-0x00007FFCDD480000-0x00007FFCDD490000-memory.dmp
    Filesize

    64KB

  • memory/2084-311-0x00007FFCDD480000-0x00007FFCDD490000-memory.dmp
    Filesize

    64KB

  • memory/2216-268-0x0000000000000000-mapping.dmp
  • memory/3348-269-0x0000000000000000-mapping.dmp
  • memory/3484-270-0x0000000000000000-mapping.dmp