General
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Target
run.exe
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Size
287KB
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Sample
240622-skl1yasejg
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MD5
1b52a52614f765c57f4651a86f22b988
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SHA1
c90db9e42c00006ef4676da054b873278fe5e18a
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SHA256
9b6072de723067d6276f673da5ccf95ed61302bdf6499287730ae10e8b2265d3
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SHA512
748f116a160059f2572e97dc0ddd75ecfdd9378e3fb7bdf5e109070f597f7b9d66cfbda78e1edc70653969dc305a789917d4637ff0fc56ef2b2ab0e64227a662
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SSDEEP
6144:IahOcp0yN90QEBPs16z01by14SgIu1fnfR:IiAy90fs16ougR1fZ
Static task
static1
Behavioral task
behavioral1
Sample
run.exe
Resource
win10v2004-20240226-en
Malware Config
Targets
-
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Target
run.exe
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Size
287KB
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MD5
1b52a52614f765c57f4651a86f22b988
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SHA1
c90db9e42c00006ef4676da054b873278fe5e18a
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SHA256
9b6072de723067d6276f673da5ccf95ed61302bdf6499287730ae10e8b2265d3
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SHA512
748f116a160059f2572e97dc0ddd75ecfdd9378e3fb7bdf5e109070f597f7b9d66cfbda78e1edc70653969dc305a789917d4637ff0fc56ef2b2ab0e64227a662
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SSDEEP
6144:IahOcp0yN90QEBPs16z01by14SgIu1fnfR:IiAy90fs16ougR1fZ
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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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Process spawned unexpected child process
This typically indicates the parent process was compromised via an exploit or macro.
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Blocklisted process makes network request
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Downloads MZ/PE file
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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
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1