Analysis

  • max time kernel
    158s
  • max time network
    91s
  • 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

    5cfb7502079d7642102cb08f21f538788a3a09b9c2c414a343aa92a2b759ec50.xls

  • Size

    36KB

  • MD5

    c02f3382253da7ea2432fe82db289978

  • SHA1

    d4ee44d6c306f377e5e9473186473e1af4071d3c

  • SHA256

    5cfb7502079d7642102cb08f21f538788a3a09b9c2c414a343aa92a2b759ec50

  • SHA512

    39325c652bfd78de799cead50728b37c674c22df7f7ae5b238cfe543a88309219cc39a29591c8238673b3ba6e160979e9905c61579bd8f581d1c9cf836ea7fb8

  • SSDEEP

    768:HPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJPxCPspNf9Pi8Vw200o:vok3hbdlylKsgqopeJBWhZFGkE+cL2NR

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://syracuse.best/wp-data.php

xlm40.dropper

https://skill.fashion/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 8 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\5cfb7502079d7642102cb08f21f538788a3a09b9c2c414a343aa92a2b759ec50.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:2044
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\OKBNM.txt,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:1668

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/1668-60-0x0000000000000000-mapping.dmp
  • memory/2044-54-0x000000002F951000-0x000000002F954000-memory.dmp
    Filesize

    12KB

  • memory/2044-55-0x0000000071741000-0x0000000071743000-memory.dmp
    Filesize

    8KB

  • memory/2044-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/2044-57-0x000000007272D000-0x0000000072738000-memory.dmp
    Filesize

    44KB

  • memory/2044-58-0x0000000075531000-0x0000000075533000-memory.dmp
    Filesize

    8KB

  • memory/2044-59-0x000000007272D000-0x0000000072738000-memory.dmp
    Filesize

    44KB

  • memory/2044-62-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/2044-63-0x000000007272D000-0x0000000072738000-memory.dmp
    Filesize

    44KB