General
- Target 2026-03-16_fb3c7de1bf6ed4428e16ce0cc2431819_amadey_avoslocker_cobalt-strike_elex_luca-stealer_lynx_njrat
- Size 807KB
- Sample260316-cgqa7aax9s
- SHA256 b39a8b39bc4f868524157b6f5d5304ae3cf5df9ba35934a29a8e29eb908c1a3e
- MD5 fb3c7de1bf6ed4428e16ce0cc2431819
- SHA1 a26b1d3167628c64dfa4f49b6b4a8f7658b487cd
- SHA512 2be7d3860d52080d0cac1a4419ffa8f1096ce7a8486d4ba8e82ccdf45083e66e9519ba564ebb3bea894620c3693912252a75e296f04cfad18915dcd980e5201d
- SSDEEP 12288:0Z4s3rg9u/2/oT+NXtHLlP/O+OeO+OeNhBBhhBBAtHg9rjI+LXJ0ivlzkHB8sYAl:u4s+oT+NXBLi0rjFXvyHBwbhCZa8
- TLSH T189058D317587E473C46100B19D7DB9AA9129BD310B355AC7A3D93B2DAABC2C10F32E5B
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
2026-03-16_fb3c7de1bf6ed4428e16ce0cc2431819_amadey_avoslocker_cobalt-strike_elex_luca-stealer_lynx_njrat.exe
Resource
win10v2004-20260129-en
Behavioral task
behavioral2
Sample
2026-03-16_fb3c7de1bf6ed4428e16ce0cc2431819_amadey_avoslocker_cobalt-strike_elex_luca-stealer_lynx_njrat.exe
Resource
win11-20260130-en
Malware Config
Targets
-
- Target 2026-03-16_fb3c7de1bf6ed4428e16ce0cc2431819_amadey_avoslocker_cobalt-strike_elex_luca-stealer_lynx_njrat
- Size 807KB
- SHA256 b39a8b39bc4f868524157b6f5d5304ae3cf5df9ba35934a29a8e29eb908c1a3e
- MD5 fb3c7de1bf6ed4428e16ce0cc2431819
- SHA1 a26b1d3167628c64dfa4f49b6b4a8f7658b487cd
- SHA512 2be7d3860d52080d0cac1a4419ffa8f1096ce7a8486d4ba8e82ccdf45083e66e9519ba564ebb3bea894620c3693912252a75e296f04cfad18915dcd980e5201d
- SSDEEP 12288:0Z4s3rg9u/2/oT+NXtHLlP/O+OeO+OeNhBBhhBBAtHg9rjI+LXJ0ivlzkHB8sYAl:u4s+oT+NXBLi0rjFXvyHBwbhCZa8
- TLSH T189058D317587E473C46100B19D7DB9AA9129BD310B355AC7A3D93B2DAABC2C10F32E5B
- 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 (9283) 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