Analysis

  • max time kernel
    140s
  • max time network
    95s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    29-01-2023 19:21

General

  • Target

    3e645d26dc93bde0940f77f306482cb89846233d443f9618e2355b17c6e9cf9d.xls

  • Size

    36KB

  • MD5

    d27410ae8a23e37066d011c8ea75410c

  • SHA1

    4cdefca60b6c7e80813432b3c5d16f9dd50fc98e

  • SHA256

    3e645d26dc93bde0940f77f306482cb89846233d443f9618e2355b17c6e9cf9d

  • SHA512

    ad3dac3ec43087636c2ef6c2653f22e27a846790c1e3f894f93403b43bd5259c8b9033119056eed3c55a160f050d88852e7ddb00db856be83be803a689fcfef5

  • SSDEEP

    768:RPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJYgcuVKpu5JSMiGC4:Zok3hbdlylKsgqopeJBWhZFGkE+cL2NM

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
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\3e645d26dc93bde0940f77f306482cb89846233d443f9618e2355b17c6e9cf9d.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:1120
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\NNOYzqz.txt,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:1096

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/1096-60-0x0000000000000000-mapping.dmp
  • memory/1120-54-0x000000002FA61000-0x000000002FA64000-memory.dmp
    Filesize

    12KB

  • memory/1120-55-0x00000000719F1000-0x00000000719F3000-memory.dmp
    Filesize

    8KB

  • memory/1120-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1120-57-0x00000000729DD000-0x00000000729E8000-memory.dmp
    Filesize

    44KB

  • memory/1120-58-0x0000000075DF1000-0x0000000075DF3000-memory.dmp
    Filesize

    8KB

  • memory/1120-59-0x00000000729DD000-0x00000000729E8000-memory.dmp
    Filesize

    44KB

  • memory/1120-62-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1120-63-0x00000000729DD000-0x00000000729E8000-memory.dmp
    Filesize

    44KB