Analysis

  • max time kernel
    144s
  • max time network
    145s
  • platform
    windows10_x64
  • resource
    win10-20220414-en
  • submitted
    07-07-2022 03:27

General

  • Target

    ab2209aa7777fb912fe4ea1d78ee2f29724b0933dde1f1c57e57de1bdc71c1be.xls

  • Size

    95KB

  • MD5

    eb59d0e6038fc2d99f6fa7528781810c

  • SHA1

    891ad8c9957452a380a4e2cadac4e085d894ec4d

  • SHA256

    ab2209aa7777fb912fe4ea1d78ee2f29724b0933dde1f1c57e57de1bdc71c1be

  • SHA512

    6b3cd8d676dfe18747620cb96045a044ded30e9e5151612e26c1b520ce1ce0f3f9ff9feebd66645188d13585ff6c66706496be40262e8d804e44f46ce1a8ac39

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://www.sunflowerlaboratory.in/fonts/79Tq62ly/

xlm40.dropper

http://dirigent.co.uk/vardagsekonomi/iC36jJ4J1cf/

xlm40.dropper

http://agtrade.hu/images/kiQYmOs2tSKq/

xlm40.dropper

https://www.zachboyle.com/wp-admin/EA470ZrTGNkuA/

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\ab2209aa7777fb912fe4ea1d78ee2f29724b0933dde1f1c57e57de1bdc71c1be.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:2776
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
      2⤵
      • Process spawned unexpected child process
      PID:2820
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
      2⤵
      • Process spawned unexpected child process
      PID:4728
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
      2⤵
      • Process spawned unexpected child process
      PID:4200
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
      2⤵
      • Process spawned unexpected child process
      PID:3976

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/2776-118-0x00007FFAD2660000-0x00007FFAD2670000-memory.dmp
    Filesize

    64KB

  • memory/2776-119-0x00007FFAD2660000-0x00007FFAD2670000-memory.dmp
    Filesize

    64KB

  • memory/2776-120-0x00007FFAD2660000-0x00007FFAD2670000-memory.dmp
    Filesize

    64KB

  • memory/2776-121-0x00007FFAD2660000-0x00007FFAD2670000-memory.dmp
    Filesize

    64KB

  • memory/2776-130-0x00007FFACF730000-0x00007FFACF740000-memory.dmp
    Filesize

    64KB

  • memory/2776-131-0x00007FFACF730000-0x00007FFACF740000-memory.dmp
    Filesize

    64KB

  • memory/2820-252-0x0000000000000000-mapping.dmp
  • memory/3976-257-0x0000000000000000-mapping.dmp
  • memory/4200-254-0x0000000000000000-mapping.dmp
  • memory/4728-253-0x0000000000000000-mapping.dmp