General
- Target 2026-03-18_3a43ec189aec767a98e8ee6d3c0403e6_amadey_avoslocker_cobalt-strike_elex_luca-stealer_lynx_njrat
- Size 807KB
- Sample260318-dabd5aaz3v
- SHA256 4557ae555da7d6f6ea634a195987bc5e956ed5d93122d782a5e3460745bb630a
- MD5 3a43ec189aec767a98e8ee6d3c0403e6
- SHA1 2b201cce0cb05180e5ebcadcf926e06cf0585a92
- SHA512 c0476364f1f7dcb907e32445789d924b43ae7088edd77a3335fbd0508e5c4077406619eaec830a825f6824871b4ed58c8c04a9e832fd623e27c0b9033f235c96
- SSDEEP 12288:0Z4s3rg9u/2/oT+NXtHLlP/O+OeO+OeNhBBhhBBAtHg9rjI+LXJ0ivlzkHBSsYAy:u4s+oT+NXBLi0rjFXvyHBCbyCZa8
- TLSH T1B1058D317587E473C46100B19C7DB9AA9129BD350B355AC7A3D93B2DAABC2C10F32E5B
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
2026-03-18_3a43ec189aec767a98e8ee6d3c0403e6_amadey_avoslocker_cobalt-strike_elex_luca-stealer_lynx_njrat.exe
Resource
win10v2004-20260130-en
Behavioral task
behavioral2
Sample
2026-03-18_3a43ec189aec767a98e8ee6d3c0403e6_amadey_avoslocker_cobalt-strike_elex_luca-stealer_lynx_njrat.exe
Resource
win11-20260130-en
Malware Config
Targets
-
- Target 2026-03-18_3a43ec189aec767a98e8ee6d3c0403e6_amadey_avoslocker_cobalt-strike_elex_luca-stealer_lynx_njrat
- Size 807KB
- SHA256 4557ae555da7d6f6ea634a195987bc5e956ed5d93122d782a5e3460745bb630a
- MD5 3a43ec189aec767a98e8ee6d3c0403e6
- SHA1 2b201cce0cb05180e5ebcadcf926e06cf0585a92
- SHA512 c0476364f1f7dcb907e32445789d924b43ae7088edd77a3335fbd0508e5c4077406619eaec830a825f6824871b4ed58c8c04a9e832fd623e27c0b9033f235c96
- SSDEEP 12288:0Z4s3rg9u/2/oT+NXtHLlP/O+OeO+OeNhBBhhBBAtHg9rjI+LXJ0ivlzkHBSsYAy:u4s+oT+NXBLi0rjFXvyHBCbyCZa8
- TLSH T1B1058D317587E473C46100B19C7DB9AA9129BD350B355AC7A3D93B2DAABC2C10F32E5B
- 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 (9288) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Drops desktop.ini file(s)
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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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