Analysis

  • max time kernel
    148s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    07-05-2022 04:13

General

  • Target

    ?i=1xsjvznln.xlsm

  • Size

    83KB

  • MD5

    0c6adea1eff64b8f701e18a8c9e5284d

  • SHA1

    958197aca69eabbf0d6717e880ac3bb7d49a4d7a

  • SHA256

    ddfaf178cd5ea6decc275fa0a3d27bade27c40b7cd0ac8a086a615e296ce0377

  • SHA512

    7a01ec8855b51239dc59497bbc4e5b0da0f1d796963a6981842660fe734e05a48689ce3df35f9372068526b2217327eb5123d9a61631abec0b3a7db65c47fa02

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://robotically.xyz/wp-content/XtKkx/

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=1xsjvznln.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:480
    • C:\Windows\SysWow64\rundll32.exe
      C:\Windows\SysWow64\rundll32.exe ..\wxeu.ocx,D"&"l"&"lR"&"egister"&"Serve"&"r
      2⤵
      • Process spawned unexpected child process
      PID:1304

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

  • C:\Users\Admin\wxeu.ocx
    Filesize

    2KB

    MD5

    4d5c8b54140b174bfe30814d7b87428a

    SHA1

    a57a315d81d85fba97804bf5bc0f2d3ec5ca1cdc

    SHA256

    165ccca319eb4b3cdb5864857c61abf3f6b199debe9574c07eb7eadc076fa633

    SHA512

    29805f0259eeebdf11f07ffb99feb6d75d8a78009ade186193a2225349bc22ccb1a9ddb48c676e60f01c0482076ef4366af542b9e58eb3ca44b767a34de40dad

  • memory/480-54-0x000000002F561000-0x000000002F564000-memory.dmp
    Filesize

    12KB

  • memory/480-55-0x00000000710D1000-0x00000000710D3000-memory.dmp
    Filesize

    8KB

  • memory/480-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/480-57-0x00000000720BD000-0x00000000720C8000-memory.dmp
    Filesize

    44KB

  • memory/480-58-0x0000000075CF1000-0x0000000075CF3000-memory.dmp
    Filesize

    8KB

  • memory/1304-59-0x0000000000000000-mapping.dmp