Analysis

  • max time kernel
    149s
  • max time network
    38s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    13-05-2021 12:56

General

  • Target

    catalog-2106884024.xls

  • Size

    367KB

  • MD5

    709c66ed686fb25a8f4bee76ec6f8a1a

  • SHA1

    73920117cbd26cf3a5854d31a401a8843eaf8b78

  • SHA256

    e8c554d96d79173f534a147c98a54a329eb7228b110b5dcae33cfc7ce02fd16e

  • SHA512

    560376c50f62d585eac050610bba78c546c0fe625f6bdda253fc4fdb29adad277a78ecbc2104384ac71ec185ec0935dcb63d1651c4fef320df3a1a02f011d822

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-2106884024.xls
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:980
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32 ..\tuti.rut,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:748
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32 ..\tuti.rut1,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:1112

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/748-62-0x0000000000000000-mapping.dmp
  • memory/748-63-0x0000000075FF1000-0x0000000075FF3000-memory.dmp
    Filesize

    8KB

  • memory/980-59-0x000000002F191000-0x000000002F194000-memory.dmp
    Filesize

    12KB

  • memory/980-60-0x0000000071211000-0x0000000071213000-memory.dmp
    Filesize

    8KB

  • memory/980-61-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1112-64-0x0000000000000000-mapping.dmp