Analysis

  • max time kernel
    153s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    12-05-2022 16:28

General

  • Target

    ?i=1sufucrrp.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=1sufucrrp.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:1528
    • 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:1956

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

    da794c47b50be6999fc6cdd855222bbc

    SHA1

    81253f5e041275e211f621b108e2f151d34d749b

    SHA256

    da81109225c77d1f19be44ac108d57b5fd0b94447b3d19ff07984c5ce2d97f63

    SHA512

    cf045335b7cc31696ad92bc1f1fcff16a539bfecbb21a7968b4d36d45011d1ca516d028b1f2ebdf78057e21bd3df1c70d45ed1b2ce8a858a29c6a56db0cd10de

  • memory/1528-54-0x000000002F2C1000-0x000000002F2C4000-memory.dmp
    Filesize

    12KB

  • memory/1528-55-0x00000000711D1000-0x00000000711D3000-memory.dmp
    Filesize

    8KB

  • memory/1528-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1528-57-0x00000000721BD000-0x00000000721C8000-memory.dmp
    Filesize

    44KB

  • memory/1528-58-0x0000000074DC1000-0x0000000074DC3000-memory.dmp
    Filesize

    8KB

  • memory/1956-59-0x0000000000000000-mapping.dmp