Analysis

  • max time kernel
    106s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    29-01-2023 19:21

General

  • Target

    635f07941b083edd117f2a18bc3ea6b10bc6a3fddfc76ad066ae3b736b76fe98.xls

  • Size

    35KB

  • MD5

    5092cdcd2c79cacca713c5e217c18a9d

  • SHA1

    079e6db81a82873c39cf90ad4350c7dd87d52756

  • SHA256

    635f07941b083edd117f2a18bc3ea6b10bc6a3fddfc76ad066ae3b736b76fe98

  • SHA512

    906c13612750d2f841563a8b78813308911d7c5714e92e0e9a339ab1dc71e4e9508f698a4a89fd9cc7e6315f7caaea6847f65ced3c5a7db3bab5674d42c4685a

  • SSDEEP

    768:TPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJA5ebA9uSynVWENU:Lok3hbdlylKsgqopeJBWhZFGkE+cL2NR

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://skill.fashion/wp-data.php

xlm40.dropper

https://syracuse.best/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\635f07941b083edd117f2a18bc3ea6b10bc6a3fddfc76ad066ae3b736b76fe98.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:1980
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\rkA.txt,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:616

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/616-60-0x0000000000000000-mapping.dmp
  • memory/1980-54-0x000000002F531000-0x000000002F534000-memory.dmp
    Filesize

    12KB

  • memory/1980-55-0x0000000071721000-0x0000000071723000-memory.dmp
    Filesize

    8KB

  • memory/1980-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1980-57-0x000000007270D000-0x0000000072718000-memory.dmp
    Filesize

    44KB

  • memory/1980-58-0x0000000076141000-0x0000000076143000-memory.dmp
    Filesize

    8KB

  • memory/1980-59-0x000000007270D000-0x0000000072718000-memory.dmp
    Filesize

    44KB

  • memory/1980-62-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1980-63-0x000000007270D000-0x0000000072718000-memory.dmp
    Filesize

    44KB