General
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Target
282f57d201c972562bd11aaa005d79cc7f964a8d0db591e58470124907be41ceN
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Size
1.5MB
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Sample
241004-qerywswapj
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MD5
eb7b02e2e2735e335cf1488d2836dfc0
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SHA1
f239259214e2802aa237ada055c9b5137b5acd4c
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SHA256
282f57d201c972562bd11aaa005d79cc7f964a8d0db591e58470124907be41ce
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SHA512
857773a6e4cda20553d40457f1a83b9d706f2417c2b8ed6f1dc57e1edb65fd6e50f57de781480a7d68ec826849c60f8212ea846da19f692f200b478908385983
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SSDEEP
24576:UNNUtQhWhtqDfDXQdy+N+gfQqRsgFlDRluQ70eJiVbWpR:kzhWhCXQFN+0IEuQgyiVK
Static task
static1
Behavioral task
behavioral1
Sample
282f57d201c972562bd11aaa005d79cc7f964a8d0db591e58470124907be41ceN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
282f57d201c972562bd11aaa005d79cc7f964a8d0db591e58470124907be41ceN.exe
Resource
win10v2004-20240802-en
Malware Config
Targets
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Target
282f57d201c972562bd11aaa005d79cc7f964a8d0db591e58470124907be41ceN
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Size
1.5MB
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MD5
eb7b02e2e2735e335cf1488d2836dfc0
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SHA1
f239259214e2802aa237ada055c9b5137b5acd4c
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SHA256
282f57d201c972562bd11aaa005d79cc7f964a8d0db591e58470124907be41ce
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SHA512
857773a6e4cda20553d40457f1a83b9d706f2417c2b8ed6f1dc57e1edb65fd6e50f57de781480a7d68ec826849c60f8212ea846da19f692f200b478908385983
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SSDEEP
24576:UNNUtQhWhtqDfDXQdy+N+gfQqRsgFlDRluQ70eJiVbWpR:kzhWhCXQFN+0IEuQgyiVK
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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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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
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
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1