Analysis

  • max time kernel
    128s
  • max time network
    131s
  • platform
    windows10_x64
  • resource
    win10-20220414-en
  • submitted
    07-07-2022 04:23

General

  • Target

    30e1907b405bf3f63ff976bae79b3441066636f04485163c451269203caa0617.xls

  • Size

    95KB

  • MD5

    38d3bc828c5cb5f81d9bf026494520a8

  • SHA1

    a1167e1e4fa4469961e21df577c271ef0f572334

  • SHA256

    30e1907b405bf3f63ff976bae79b3441066636f04485163c451269203caa0617

  • SHA512

    7561f58e3e9d7df8258ff4a14e314381962041481edb3cf31fd2d4521c9c716663ed926a2f524e77f561441ba2d4233174d500b30c1d4b8f933eac359ad992fb

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\30e1907b405bf3f63ff976bae79b3441066636f04485163c451269203caa0617.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:1460
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
      2⤵
      • Process spawned unexpected child process
      PID:1568
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
      2⤵
      • Process spawned unexpected child process
      PID:2764
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
      2⤵
      • Process spawned unexpected child process
      PID:2872
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
      2⤵
      • Process spawned unexpected child process
      PID:1312

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/1312-255-0x0000000000000000-mapping.dmp
  • memory/1460-119-0x00007FFE57330000-0x00007FFE57340000-memory.dmp
    Filesize

    64KB

  • memory/1460-118-0x00007FFE57330000-0x00007FFE57340000-memory.dmp
    Filesize

    64KB

  • memory/1460-116-0x00007FFE57330000-0x00007FFE57340000-memory.dmp
    Filesize

    64KB

  • memory/1460-128-0x00007FFE53B20000-0x00007FFE53B30000-memory.dmp
    Filesize

    64KB

  • memory/1460-129-0x00007FFE53B20000-0x00007FFE53B30000-memory.dmp
    Filesize

    64KB

  • memory/1460-117-0x00007FFE57330000-0x00007FFE57340000-memory.dmp
    Filesize

    64KB

  • memory/1460-292-0x00007FFE57330000-0x00007FFE57340000-memory.dmp
    Filesize

    64KB

  • memory/1460-293-0x00007FFE57330000-0x00007FFE57340000-memory.dmp
    Filesize

    64KB

  • memory/1460-294-0x00007FFE57330000-0x00007FFE57340000-memory.dmp
    Filesize

    64KB

  • memory/1460-295-0x00007FFE57330000-0x00007FFE57340000-memory.dmp
    Filesize

    64KB

  • memory/1568-252-0x0000000000000000-mapping.dmp
  • memory/2764-253-0x0000000000000000-mapping.dmp
  • memory/2872-254-0x0000000000000000-mapping.dmp