Analysis

  • max time kernel
    149s
  • max time network
    57s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    13-05-2021 12:56

General

  • Target

    catalog-2106987967.xls

  • Size

    367KB

  • MD5

    da6fcc74b5353a2e865b1effbfe2ff6d

  • SHA1

    166c15b9f39c99aaa1203440e6e3beccd86cf2d8

  • SHA256

    50191bc455248553b3122cc7d3fbae170be31628d466786b60839a674e3c2e3d

  • SHA512

    3827d5db48f0ad6c96b27108c118fb29cd0b5b4ab2abc5ed896f90aa83326c0b8f95e40e6eeb3e6e0a505d3b7b8efbd09f06bdc611dfa72c37e803a679af3c81

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://smartpalakatva.com/edQsUZOLlE/th.html

xlm40.dropper

https://pilstlcommodities.com/Ov4FlB3lpy/th.html

Signatures

  • Process spawned unexpected child process 2 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 9 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 14 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\catalog-2106987967.xls
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1052
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32 ..\tuti.rut,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:516
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32 ..\tuti.rut1,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:2016

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/516-63-0x0000000000000000-mapping.dmp
  • memory/516-64-0x0000000074D91000-0x0000000074D93000-memory.dmp
    Filesize

    8KB

  • memory/1052-60-0x000000002F581000-0x000000002F584000-memory.dmp
    Filesize

    12KB

  • memory/1052-61-0x0000000070E81000-0x0000000070E83000-memory.dmp
    Filesize

    8KB

  • memory/1052-62-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/2016-65-0x0000000000000000-mapping.dmp