Analysis

  • max time kernel
    148s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    13-05-2021 12:58

General

  • Target

    catalog-274433653.xls

  • Size

    367KB

  • MD5

    7311727df7529a293920042610dafa44

  • SHA1

    46f47db43251e6e88a619c0ec08daed44e18d13c

  • SHA256

    a2b9ede8864b03fbefae06fcbfc6f5bb6a780f98833c6abb3afb564a60b6bbc5

  • SHA512

    5aef6d621fb68b081d070f0e90b1c24260bf833115d2aaf173c0a2125269219aad9d0c660b834700c5c52ea25bc244ed5c60358d334b6729ac680a83caed55ac

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-274433653.xls
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1088
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32 ..\tuti.rut,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:1332
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32 ..\tuti.rut1,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:876

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/876-65-0x0000000000000000-mapping.dmp
  • memory/1088-60-0x000000002F0F1000-0x000000002F0F4000-memory.dmp
    Filesize

    12KB

  • memory/1088-61-0x0000000070EB1000-0x0000000070EB3000-memory.dmp
    Filesize

    8KB

  • memory/1088-62-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1332-63-0x0000000000000000-mapping.dmp
  • memory/1332-64-0x0000000075281000-0x0000000075283000-memory.dmp
    Filesize

    8KB