General
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Target
a452777147dc02f5d8ccacfc0502ac7c.exe
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Size
828KB
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Sample
240522-lrkywsba9t
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MD5
a452777147dc02f5d8ccacfc0502ac7c
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SHA1
da8810335c641f55872b90a6ea7f178a0875721c
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SHA256
c1fb621cbb84ba538603cae73960db7969ec4bde877e5692241c82ea25bdf644
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SHA512
5015d12dac1a4a6825dcd01adf04b9ea307b3654e851bf07e41087f4ebb1b744b67c397eb0af282b3452cae5849266c7e00c2e41537795d7c78e5c043012d760
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SSDEEP
12288:jJx18sm9InH/pOz0KkYXPFSdj+ZygwBEMjdvcGtJN1adr:jBDmqnH/G0KkYXKcedvceN1ar
Behavioral task
behavioral1
Sample
a452777147dc02f5d8ccacfc0502ac7c.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
a452777147dc02f5d8ccacfc0502ac7c.exe
Resource
win10v2004-20240508-en
Malware Config
Targets
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Target
a452777147dc02f5d8ccacfc0502ac7c.exe
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Size
828KB
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MD5
a452777147dc02f5d8ccacfc0502ac7c
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SHA1
da8810335c641f55872b90a6ea7f178a0875721c
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SHA256
c1fb621cbb84ba538603cae73960db7969ec4bde877e5692241c82ea25bdf644
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SHA512
5015d12dac1a4a6825dcd01adf04b9ea307b3654e851bf07e41087f4ebb1b744b67c397eb0af282b3452cae5849266c7e00c2e41537795d7c78e5c043012d760
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SSDEEP
12288:jJx18sm9InH/pOz0KkYXPFSdj+ZygwBEMjdvcGtJN1adr:jBDmqnH/G0KkYXKcedvceN1ar
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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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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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1