Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    11/03/2022, 16:17

General

  • Target
    CAD.exe
  • Size 261KB
  • Sample220311-trwdmadcbj
  • SHA256 8a1d46b80f61c17f62139c1b46be9208e09055e821d8bed59532089fa5b21b48
  • MD5 SHA1 SHA512

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    smtp.gmail.com

  • Port

    587

  • Password

    AAss2288

Signatures

  • Modifies extensions of user files 4 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Drops startup file 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops desktop.ini file(s) 34 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\CAD.exe
    "C:\Users\Admin\AppData\Local\Temp\CAD.exe"
    1⤵
    • Modifies extensions of user files
    • Drops startup file
    • Drops desktop.ini file(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:1488
  • C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\CAD Recovery Information.txt
    1⤵
      PID:448

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/1488-130-0x0000018BA9220000-0x0000018BA9266000-memory.dmp

          memory/1488-131-0x00007FFC2C5F0000-0x00007FFC2D0B1000-memory.dmp

          memory/1488-132-0x0000018BAB260000-0x0000018BC3260000-memory.dmp