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General
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Target
0404ab7a5119b3223c76c18d653bac4e70c7226aabdbbc945cea2672b8867ab1
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Size
1.7MB
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Sample
240530-2fhx6ach94
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MD5
e28689bf7ea24c8051fd6e910fd259d4
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SHA1
fd55b3eb6123754cdb8dcc1d42f8d9aefa429758
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SHA256
0404ab7a5119b3223c76c18d653bac4e70c7226aabdbbc945cea2672b8867ab1
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SHA512
32d8d58c0c9178980c6ca8e202cbaa51cba951a4bcee19bf0022d657dbf50012d12e52f77b8f6c0c69a34f0c2ffce883fd9a629f9b3b026ce9039bac73e015aa
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SSDEEP
24576:U2G/nvxW3Ww0tpaKkjLB0zOyM6/aAUIFGAqo2mSNgaMhYYSJvL87:UbA308Kk+ze2GAdSNzYSNLQ
Behavioral task
behavioral1
Sample
0404ab7a5119b3223c76c18d653bac4e70c7226aabdbbc945cea2672b8867ab1.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
0404ab7a5119b3223c76c18d653bac4e70c7226aabdbbc945cea2672b8867ab1.exe
Resource
win10v2004-20240508-en
Malware Config
Targets
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Target
0404ab7a5119b3223c76c18d653bac4e70c7226aabdbbc945cea2672b8867ab1
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Size
1.7MB
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MD5
e28689bf7ea24c8051fd6e910fd259d4
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SHA1
fd55b3eb6123754cdb8dcc1d42f8d9aefa429758
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SHA256
0404ab7a5119b3223c76c18d653bac4e70c7226aabdbbc945cea2672b8867ab1
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SHA512
32d8d58c0c9178980c6ca8e202cbaa51cba951a4bcee19bf0022d657dbf50012d12e52f77b8f6c0c69a34f0c2ffce883fd9a629f9b3b026ce9039bac73e015aa
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SSDEEP
24576:U2G/nvxW3Ww0tpaKkjLB0zOyM6/aAUIFGAqo2mSNgaMhYYSJvL87:UbA308Kk+ze2GAdSNzYSNLQ
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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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Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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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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Accesses cryptocurrency files/wallets, possible credential harvesting
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Adds Run key to start application
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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
1