General
- Target file.exe
- Size 112KB
- Sample260123-cr2f7sev5a
- SHA256 21f13ddfa4edaf7ae54a076e6f9fff2e9d8233581b610960934d35235b52071a
Score
10/10
Malware Config
Targets
-
- Target file.exe
- Size 112KB
- SHA256 21f13ddfa4edaf7ae54a076e6f9fff2e9d8233581b610960934d35235b52071a
Score10/10-
Lockbit
Ransomware family with multiple variants released since late 2019.
-
Lockbit family
-
Rule to detect Lockbit 3.0 ransomware Windows payload
-
Renames multiple (627) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
Downloads MZ/PE file
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE
-
Reads user/profile data of web browsers
Infostealers often target stored browser data, which can include saved credentials etc.
-
Drops desktop.ini file(s)
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-
Indicator Removal: File Deletion
Adversaries may delete files left behind by the actions of their intrusion activity.
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
-
Drops file in System32 directory
-
Sets desktop wallpaper using registry
-
Suspicious use of NtSetInformationThreadHideFromDebugger
MITRE ATT&CK Enterprise v16
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1