Analysis

  • max time kernel
    189s
  • max time network
    201s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    31-07-2022 05:23

General

  • Target

    tthttqnr.xlsm

  • Size

    46KB

  • MD5

    363495acb4327435709de91edaef8338

  • SHA1

    11ea485cddc9de2db0397f02f00a564a9468f032

  • SHA256

    64d92f79a2d87571d428b7b19ef4f5c1680c24c8952a2f46b84f217cfba19766

  • SHA512

    1502abfa4494c69541cbaf3f00b176f04a45802b35a0818f0a46cd229a99dd675a7b8746efa946ea37efd7305c18a00eaba4a48c251d19d084fcbf4e575cf10e

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://eles-tech.com/css/KzMysMqFMs/

xlm40.dropper

http://gonorthhalifax.com/wp-content/yTmYyLbTKZV2czsUO/

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 FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 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\tthttqnr.xlsm
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:948
    • C:\Windows\SysWow64\regsvr32.exe
      C:\Windows\SysWow64\regsvr32.exe -s ..\xewn.dll
      2⤵
      • Process spawned unexpected child process
      PID:580

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\xewn.dll

    Filesize

    756KB

    MD5

    d5154ed5f416d957776f7ff826d857c5

    SHA1

    1307a0383cf99c78a46cf13ff55130117b82560c

    SHA256

    4489cf645b0c254d71a621fa62763b82c44c607436c935895033293f18f1dcee

    SHA512

    5adc5176e5762b31defad06e87c375b6ea85adf7f7dfd8e2fcc23b5f3fb3fdc6bd07bd1830d742b3129cc7fe2b7613c0b44fe44f051e91ec922697d9b14ca5fa

  • memory/948-54-0x000000002F261000-0x000000002F264000-memory.dmp

    Filesize

    12KB

  • memory/948-55-0x0000000071561000-0x0000000071563000-memory.dmp

    Filesize

    8KB

  • memory/948-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/948-57-0x000000007254D000-0x0000000072558000-memory.dmp

    Filesize

    44KB

  • memory/948-58-0x0000000075A61000-0x0000000075A63000-memory.dmp

    Filesize

    8KB

  • memory/948-59-0x000000007254D000-0x0000000072558000-memory.dmp

    Filesize

    44KB