General
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Target
0b222b4a899979ddf52b634b82368a08.exe
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Size
50.0MB
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Sample
240530-bc823ahe48
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MD5
0b222b4a899979ddf52b634b82368a08
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SHA1
a07b66cde199d96efb99718b9b7d365036350c29
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SHA256
faf82dcfbb2ffa2a94047a5e017d95e9757aa3420af8cebcef6c8933cde2c295
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SHA512
70c8101223e1e5c5b9aec69d756469ba2ca2370cb92bdc28d4990174f9c2f3d93cc1512049d650fa31f1993ddef49da98007552331a05332741497df5b063e51
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SSDEEP
1572864:WK7C5EpF9PX7uC/mVLJhbWnRdrF10hWNYP02oa:WK7CMrLv0JhbWT/mXs2
Static task
static1
Behavioral task
behavioral1
Sample
0b222b4a899979ddf52b634b82368a08.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
0b222b4a899979ddf52b634b82368a08.exe
Resource
win10v2004-20240426-en
Malware Config
Targets
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Target
0b222b4a899979ddf52b634b82368a08.exe
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Size
50.0MB
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MD5
0b222b4a899979ddf52b634b82368a08
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SHA1
a07b66cde199d96efb99718b9b7d365036350c29
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SHA256
faf82dcfbb2ffa2a94047a5e017d95e9757aa3420af8cebcef6c8933cde2c295
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SHA512
70c8101223e1e5c5b9aec69d756469ba2ca2370cb92bdc28d4990174f9c2f3d93cc1512049d650fa31f1993ddef49da98007552331a05332741497df5b063e51
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SSDEEP
1572864:WK7C5EpF9PX7uC/mVLJhbWnRdrF10hWNYP02oa:WK7CMrLv0JhbWT/mXs2
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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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Loads dropped DLL
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Adds Run key to start application
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Legitimate hosting services abused for malware hosting/C2
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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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
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1