General
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Target
5a263375f836ca004e5a13e840b4227be54534ca0e25c6f6c36e2dfe5be0a43e
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Size
2.9MB
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Sample
240618-1qq6vaxdmg
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MD5
dad2e8d95842b3c6679fa25b97927eb9
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SHA1
0d2fcd1a07437e73ec2005f21bc3b61e3448ac13
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SHA256
5a263375f836ca004e5a13e840b4227be54534ca0e25c6f6c36e2dfe5be0a43e
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SHA512
a9163b2d88be7c205ab9ec687ebedc1f264d738b2fcf09815c9934130bc6145d749bd58fb921f1d0ac79c9853ae5bd8da625c95f289d2cd28d706b2e066c60e4
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SSDEEP
49152:lbA30DB8OgeyTiE4LrEqh4JJILzCkp/SzrIXKgltQlZ9mwm/PU5KLOR0qkM8+Ouy:lbZGey+E4LwW4IuzrIXltEDjm/PtLORo
Behavioral task
behavioral1
Sample
5a263375f836ca004e5a13e840b4227be54534ca0e25c6f6c36e2dfe5be0a43e.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
5a263375f836ca004e5a13e840b4227be54534ca0e25c6f6c36e2dfe5be0a43e.exe
Resource
win10v2004-20240611-en
Malware Config
Extracted
xworm
5.0
127.0.0.1:15221
6.tcp.eu.ngrok.io:15221
4.tcp.eu.ngrok.io:15221
0.tcp.eu.ngrok.io:15221
5.tcp.eu.ngrok.io:15221
2.tcp.eu.ngrok.io:15221
7.tcp.eu.ngrok.io:15221
MgZFygjRnALbM4BW
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Install_directory
%Public%
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install_file
SecurityHealthSystray.exe
Targets
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Target
5a263375f836ca004e5a13e840b4227be54534ca0e25c6f6c36e2dfe5be0a43e
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Size
2.9MB
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MD5
dad2e8d95842b3c6679fa25b97927eb9
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SHA1
0d2fcd1a07437e73ec2005f21bc3b61e3448ac13
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SHA256
5a263375f836ca004e5a13e840b4227be54534ca0e25c6f6c36e2dfe5be0a43e
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SHA512
a9163b2d88be7c205ab9ec687ebedc1f264d738b2fcf09815c9934130bc6145d749bd58fb921f1d0ac79c9853ae5bd8da625c95f289d2cd28d706b2e066c60e4
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SSDEEP
49152:lbA30DB8OgeyTiE4LrEqh4JJILzCkp/SzrIXKgltQlZ9mwm/PU5KLOR0qkM8+Ouy:lbZGey+E4LwW4IuzrIXltEDjm/PtLORo
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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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Detect Xworm Payload
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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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Detects Windows executables referencing non-Windows User-Agents
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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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Drops startup file
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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
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1