Analysis
- max time kernel
149s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
23/05/2026, 01:53
General
- Target 2026-05-23_18f67f4cd21ac5cdb8863c3bc5b9fb91_amadey_cobalt-strike_glassworm_hijackloader_luca-stealer.exe
- Size 3.6MB
- Sample260523-ca2qmscz71
- SHA256 e14ea3b61402fb7cfadcb81a31943302e71e467d1fe5724446d0b8f31dcddcb2
Score
9/10
Malware Config
Signatures
- Custom signatureDetects executables embedding registry key / value combination indicative of disabling Windows Defen 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Drops file in Windows directory 9 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Opens file in notepad (likely ransom note) 1 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-23_18f67f4cd21ac5cdb8863c3bc5b9fb91_amadey_cobalt-strike_glassworm_hijackloader_luca-stealer.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-23_18f67f4cd21ac5cdb8863c3bc5b9fb91_amadey_cobalt-strike_glassworm_hijackloader_luca-stealer.exe"1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\notepad.exe"C:\Windows\System32\notepad.exe" C:\Users\Admin\AppData\Local\Temp\WELF4EF.tmp2⤵
- Opens file in notepad (likely ransom note)
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
vcredist_x86.exe
WELF4EF.tmp