Resubmissions

05/03/2025, 18:11

250305-wss11avxav 10

05/03/2025, 18:06

250305-wprzjavrz9 4

05/03/2025, 17:59

250305-wkxdfsvvfy 3

05/03/2025, 17:55

250305-whs81svvdw 3

05/03/2025, 17:45

250305-wb6wjavtev 8

05/03/2025, 17:30

250305-v3dhmat1ht 10

05/03/2025, 17:26

250305-vzwj2at1c1 3

05/03/2025, 17:07

250305-vm2khstsax 10

05/03/2025, 17:04

250305-vlb88ss1gs 3

05/03/2025, 16:25

250305-txctgasrs8 8

General

Malware Config

Targets

    • Dharma

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

    • Dharma family

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Renames multiple (725) files with added filename extension

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

    • Disables Task Manager via registry modification

    • Sets service image path in registry

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

    • Drops startup file

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Impair Defenses: Safe Mode Boot

    • Loads dropped DLL

    • Modifies system executable filetype association

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks