General
- Target 2026-03-12_034a086b0589d81bfc31d107768b86e8_amadey_avoslocker_cobalt-strike_elex_luca-stealer_lynx_njrat
- Size 807KB
- Sample260312-c9ep6aew9z
- SHA256 0424f4756a36c7df2d3da36d4255fb3b85ee0938e84a57c84abe739ef1228e2c
- MD5 034a086b0589d81bfc31d107768b86e8
- SHA1 1b969dd790055b0ce73bd2bb99da533b5b29205c
- SHA512 4afa8f207f2826f1a3b0ace513e082f9f9d8d3bcb77da3aa257c2c09614408d45bffd91e2080edf2e970b02a8f800ae9ee4008ad33d0e43799a9e5d2dc6f0b18
- SSDEEP 12288:0Z4s3rg9u/2/oT+NXtHLlP/O+OeO+OeNhBBhhBBAtHg9rjI+LXJ0ivlzkHBksYAl:u4s+oT+NXBLi0rjFXvyHBYbhCZa8
- TLSH T181058D317587E473C46100B19C7DB9AA9129BD350B355AC7A3D93B2DAABC2C10F32E5B
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
2026-03-12_034a086b0589d81bfc31d107768b86e8_amadey_avoslocker_cobalt-strike_elex_luca-stealer_lynx_njrat.exe
Resource
win10v2004-20260130-en
Behavioral task
behavioral2
Sample
2026-03-12_034a086b0589d81bfc31d107768b86e8_amadey_avoslocker_cobalt-strike_elex_luca-stealer_lynx_njrat.exe
Resource
win11-20260130-en
Malware Config
Targets
-
- Target 2026-03-12_034a086b0589d81bfc31d107768b86e8_amadey_avoslocker_cobalt-strike_elex_luca-stealer_lynx_njrat
- Size 807KB
- SHA256 0424f4756a36c7df2d3da36d4255fb3b85ee0938e84a57c84abe739ef1228e2c
- MD5 034a086b0589d81bfc31d107768b86e8
- SHA1 1b969dd790055b0ce73bd2bb99da533b5b29205c
- SHA512 4afa8f207f2826f1a3b0ace513e082f9f9d8d3bcb77da3aa257c2c09614408d45bffd91e2080edf2e970b02a8f800ae9ee4008ad33d0e43799a9e5d2dc6f0b18
- SSDEEP 12288:0Z4s3rg9u/2/oT+NXtHLlP/O+OeO+OeNhBBhhBBAtHg9rjI+LXJ0ivlzkHBksYAl:u4s+oT+NXBLi0rjFXvyHBYbhCZa8
- TLSH T181058D317587E473C46100B19C7DB9AA9129BD350B355AC7A3D93B2DAABC2C10F32E5B
- MD5 SHA1 SHA512 SSDEEP TLSH
Avoslocker Ransomware
Avoslocker is a relatively new ransomware, that was observed in late June and early July, 2021.
Avoslocker family
Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
Modifies boot configuration data using bcdedit
Renames multiple (9298) files with added filename extension
This suggests ransomware activity of encrypting all the files 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.
Sets desktop wallpaper using registry
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1PowerShell
1Windows Management Instrumentation
1Defense Evasion
Direct Volume Access
1Indicator Removal
2File Deletion
2Modify Registry
1