General
- Target 2026-03-18_9cbca3c0039f2b4a2f61649f05c836b0_amadey_avoslocker_cobalt-strike_elex_luca-stealer_lynx_njrat
- Size 807KB
- Sample260318-drb2zsbs3y
- SHA256 63efb0738f5dc5009c426366f7de015daa6e085baddff9fdbb0105a0bafb270e
- MD5 9cbca3c0039f2b4a2f61649f05c836b0
- SHA1 fb08e4b8093864ae111f8dc4befdf1ad066f71b0
- SHA512 cb572b47eaa2e54427e6a8721333bd466ae5bb444bdade1c00721b5fcfd2f9fbb8340d0ba645124fce83727b6b557cb60087fc4a9117a2dbc1cb39c9bee96ffc
- SSDEEP 12288:0Z4s3rg9u/2/oT+NXtHLlP/O+OeO+OeNhBBhhBBAtHg9rjI+LXJ0ivlzkHBksYAe:u4s+oT+NXBLi0rjFXvyHBYb+CZa8
- TLSH T1DC058D317587E473C46100B19C7DB9AA9129BD350B355AC7A3D93B2DAABC2C10F32E5B
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
2026-03-18_9cbca3c0039f2b4a2f61649f05c836b0_amadey_avoslocker_cobalt-strike_elex_luca-stealer_lynx_njrat.exe
Resource
win10v2004-20260130-en
Behavioral task
behavioral2
Sample
2026-03-18_9cbca3c0039f2b4a2f61649f05c836b0_amadey_avoslocker_cobalt-strike_elex_luca-stealer_lynx_njrat.exe
Resource
win11-20260130-en
Malware Config
Targets
-
- Target 2026-03-18_9cbca3c0039f2b4a2f61649f05c836b0_amadey_avoslocker_cobalt-strike_elex_luca-stealer_lynx_njrat
- Size 807KB
- SHA256 63efb0738f5dc5009c426366f7de015daa6e085baddff9fdbb0105a0bafb270e
- MD5 9cbca3c0039f2b4a2f61649f05c836b0
- SHA1 fb08e4b8093864ae111f8dc4befdf1ad066f71b0
- SHA512 cb572b47eaa2e54427e6a8721333bd466ae5bb444bdade1c00721b5fcfd2f9fbb8340d0ba645124fce83727b6b557cb60087fc4a9117a2dbc1cb39c9bee96ffc
- SSDEEP 12288:0Z4s3rg9u/2/oT+NXtHLlP/O+OeO+OeNhBBhhBBAtHg9rjI+LXJ0ivlzkHBksYAe:u4s+oT+NXBLi0rjFXvyHBYb+CZa8
- TLSH T1DC058D317587E473C46100B19C7DB9AA9129BD350B355AC7A3D93B2DAABC2C10F32E5B
- 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 (9269) 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