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General
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Target
cfd6a8c2a6c63b1059110bb8a6792668e56cdaa74e307b629fae37054e3c5764
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Size
1.5MB
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Sample
231012-m3t7daef2y
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MD5
9113e61fefe783afc64305785fe21230
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SHA1
0175acf449d5a5c337373aad116391dbf1eb5bc1
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SHA256
cfd6a8c2a6c63b1059110bb8a6792668e56cdaa74e307b629fae37054e3c5764
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SHA512
eea9e0b14423df677e25fe16b83d2f97f6992719030fb20a7e77b5159b4bca82853217bb4b4a0f826ff3264c96ec064dcbdb403a5cdd7e0c4a2135572a8dc2e6
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SSDEEP
24576:UNNUtQhWhtqDfDXQdy+N+gfQqRsgFlDRluQ70eJiVbWpR:kzhWhCXQFN+0IEuQgyiVK
Static task
static1
Behavioral task
behavioral1
Sample
cfd6a8c2a6c63b1059110bb8a6792668e56cdaa74e307b629fae37054e3c5764.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
cfd6a8c2a6c63b1059110bb8a6792668e56cdaa74e307b629fae37054e3c5764.exe
Resource
win10v2004-20230915-en
Malware Config
Targets
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Target
cfd6a8c2a6c63b1059110bb8a6792668e56cdaa74e307b629fae37054e3c5764
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Size
1.5MB
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MD5
9113e61fefe783afc64305785fe21230
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SHA1
0175acf449d5a5c337373aad116391dbf1eb5bc1
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SHA256
cfd6a8c2a6c63b1059110bb8a6792668e56cdaa74e307b629fae37054e3c5764
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SHA512
eea9e0b14423df677e25fe16b83d2f97f6992719030fb20a7e77b5159b4bca82853217bb4b4a0f826ff3264c96ec064dcbdb403a5cdd7e0c4a2135572a8dc2e6
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SSDEEP
24576:UNNUtQhWhtqDfDXQdy+N+gfQqRsgFlDRluQ70eJiVbWpR:kzhWhCXQFN+0IEuQgyiVK
Score10/10-
DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
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Modifies WinLogon for persistence
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Process spawned unexpected child process
This typically indicates the parent process was compromised via an exploit or macro.
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Drops file in Drivers directory
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Adds Run key to start application
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Drops file in System32 directory
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1