General
-
Target
Internity.exe
-
Size
3.0MB
-
Sample
240429-dpby7sgf8w
-
MD5
febcc879d59c292f59bfc248b0b65fae
-
SHA1
ffcefa2e7d588b2bd13d62b0f5057bb6c47c31ba
-
SHA256
c1e710ae05fc907abee1111868b4fc857f46964ed8815a9681043af01743afec
-
SHA512
59a2fecff8c31d63ddaf29b13c5ab6b8061831d211808983035af83a11390bf6630e0f4a6ba8319cfd42684c5818d3004a784526e4abd44e75933ff2ffaf6ca7
-
SSDEEP
98304:EbICoU2eUgjtvpktfZxlyANWWGX4f4dNb:EsGSgRvpkt8JdF
Behavioral task
behavioral1
Sample
Internity.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Internity.exe
Resource
win10v2004-20240419-en
Malware Config
Targets
-
-
Target
Internity.exe
-
Size
3.0MB
-
MD5
febcc879d59c292f59bfc248b0b65fae
-
SHA1
ffcefa2e7d588b2bd13d62b0f5057bb6c47c31ba
-
SHA256
c1e710ae05fc907abee1111868b4fc857f46964ed8815a9681043af01743afec
-
SHA512
59a2fecff8c31d63ddaf29b13c5ab6b8061831d211808983035af83a11390bf6630e0f4a6ba8319cfd42684c5818d3004a784526e4abd44e75933ff2ffaf6ca7
-
SSDEEP
98304:EbICoU2eUgjtvpktfZxlyANWWGX4f4dNb:EsGSgRvpkt8JdF
Score10/10-
DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
-
Modifies WinLogon for persistence
-
Process spawned unexpected child process
This typically indicates the parent process was compromised via an exploit or macro.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE
-
Loads dropped DLL
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
-
Drops file in System32 directory
-
MITRE ATT&CK Matrix ATT&CK v13
Persistence
Boot or Logon Autostart Execution
1Winlogon Helper DLL
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Winlogon Helper DLL
1Abuse Elevation Control Mechanism
1Bypass User Account Control
1Scheduled Task/Job
1