Analysis

  • max time kernel
    129s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    29-01-2023 19:22

General

  • Target

    31b4be1cc02d1b5a2c9de1ccac2fb4063d7d9cc3692bd1449f7d4477a3ced147.xls

  • Size

    36KB

  • MD5

    be42208b9b4852b7787910c984672e48

  • SHA1

    8a842fcafbb7c35c9d390064d9031f8481aa8b4f

  • SHA256

    31b4be1cc02d1b5a2c9de1ccac2fb4063d7d9cc3692bd1449f7d4477a3ced147

  • SHA512

    49d12fe027dec967c6f608fe5e8bbf9c5f990634270fc87fe5e39ba043f4ad1b654f6d6d136e1b031041d433643661b891c9ee4b37ed9449f88238649ba633d4

  • SSDEEP

    768:cPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJ0o6y2J6tXJzT:Iok3hbdlylKsgqopeJBWhZFGkE+cL2Ny

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://statedauto.com/wp-data.php

xlm40.dropper

https://markens.online/wp-data.php

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\31b4be1cc02d1b5a2c9de1ccac2fb4063d7d9cc3692bd1449f7d4477a3ced147.xls
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:596
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\B93B7i.txt,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:1948

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/596-54-0x000000002FC61000-0x000000002FC64000-memory.dmp
    Filesize

    12KB

  • memory/596-55-0x0000000070EC1000-0x0000000070EC3000-memory.dmp
    Filesize

    8KB

  • memory/596-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/596-57-0x0000000075701000-0x0000000075703000-memory.dmp
    Filesize

    8KB

  • memory/596-58-0x0000000071EAD000-0x0000000071EB8000-memory.dmp
    Filesize

    44KB

  • memory/596-59-0x0000000071EAD000-0x0000000071EB8000-memory.dmp
    Filesize

    44KB

  • memory/596-62-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/596-63-0x0000000071EAD000-0x0000000071EB8000-memory.dmp
    Filesize

    44KB

  • memory/1948-60-0x0000000000000000-mapping.dmp