Analysis

  • max time kernel
    148s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    27/04/2022, 02:33

General

  • Target

    ?i=1radzvhha.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 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\_i=1radzvhha.xlsm
    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:2008
    • C:\Windows\SysWow64\regsvr32.exe
      C:\Windows\SysWow64\regsvr32.exe -s ..\xewn.dll
      2⤵
      • Process spawned unexpected child process
      PID:1580

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\xewn.dll

    Filesize

    679KB

    MD5

    969717a6e427dae36c8215d681481100

    SHA1

    2c739456b5332df5819ac98c882883b92488c8d1

    SHA256

    50b9932ae9a50de9627a1ce590e4cf9fc5dda7a9e2ca263e0ea961f5148e42a8

    SHA512

    0f04ac475e254cde73fff44edfce1651f54563315e169c3c7efd7e72c6ddddf7ecb6ffefe784953b0435ef002adfed6de3e98936e50765bb09a1ccbfc9ba30ac

  • memory/2008-54-0x000000002FED1000-0x000000002FED4000-memory.dmp

    Filesize

    12KB

  • memory/2008-55-0x0000000071231000-0x0000000071233000-memory.dmp

    Filesize

    8KB

  • memory/2008-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2008-57-0x000000007221D000-0x0000000072228000-memory.dmp

    Filesize

    44KB

  • memory/2008-58-0x0000000076191000-0x0000000076193000-memory.dmp

    Filesize

    8KB