Analysis

  • max time kernel
    149s
  • max time network
    144s
  • platform
    windows10_x64
  • resource
    win10-20220414-en
  • submitted
    07-07-2022 03:31

General

  • Target

    d0ce7b117e4f8d0aa5f0cdd52418b35ef98dc94db16af26dff262217602f8bfb.xls

  • Size

    95KB

  • MD5

    4b39f0fd7075212cb456b2b39ba684cd

  • SHA1

    06d0e925443dbc6deecb750892132e7d9b569cb4

  • SHA256

    d0ce7b117e4f8d0aa5f0cdd52418b35ef98dc94db16af26dff262217602f8bfb

  • SHA512

    0d6352cdfa0d84a767aadf54e74846fa68c74d35e451037a4732f4c124d3935253ef15887eb6c415a802a9c74f0839be42193500e80b33d446d1e0565206a4f5

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\d0ce7b117e4f8d0aa5f0cdd52418b35ef98dc94db16af26dff262217602f8bfb.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:2968
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
      2⤵
      • Process spawned unexpected child process
      PID:4248
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
      2⤵
      • Process spawned unexpected child process
      PID:3212
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
      2⤵
      • Process spawned unexpected child process
      PID:3564
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
      2⤵
      • Process spawned unexpected child process
      PID:3404

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/2968-114-0x00007FFECF770000-0x00007FFECF780000-memory.dmp
    Filesize

    64KB

  • memory/2968-115-0x00007FFECF770000-0x00007FFECF780000-memory.dmp
    Filesize

    64KB

  • memory/2968-116-0x00007FFECF770000-0x00007FFECF780000-memory.dmp
    Filesize

    64KB

  • memory/2968-117-0x00007FFECF770000-0x00007FFECF780000-memory.dmp
    Filesize

    64KB

  • memory/2968-126-0x00007FFECC0E0000-0x00007FFECC0F0000-memory.dmp
    Filesize

    64KB

  • memory/2968-127-0x00007FFECC0E0000-0x00007FFECC0F0000-memory.dmp
    Filesize

    64KB

  • memory/3212-267-0x0000000000000000-mapping.dmp
  • memory/3404-269-0x0000000000000000-mapping.dmp
  • memory/3564-268-0x0000000000000000-mapping.dmp
  • memory/4248-266-0x0000000000000000-mapping.dmp