General

  • Target

    https://www.google.com/search?q=google&oq=google&gs_lcrp=EgZjaHJvbWUyBggAEEUYOTIGCAEQRRg5MgYIAhBFGDkyBggDEEUYOTIGCAQQRRhBMgYIBRAuGEDSAQgzMzM5ajBqMagCALACAA&sourceid=chrome&ie=UTF-8

  • Sample

    240821-yqndvaxfke

Malware Config

Targets

    • Target

      https://www.google.com/search?q=google&oq=google&gs_lcrp=EgZjaHJvbWUyBggAEEUYOTIGCAEQRRg5MgYIAhBFGDkyBggDEEUYOTIGCAQQRRhBMgYIBRAuGEDSAQgzMzM5ajBqMagCALACAA&sourceid=chrome&ie=UTF-8

    • Dharma

      Dharma is a ransomware that uses security software installation to hide malicious activities.

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Renames multiple (563) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Downloads MZ/PE file

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Adds Run key to start application

    • Drops desktop.ini file(s)

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks