Resubmissions
11-03-2024 12:18
240311-pg1s5sbh41 10General
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Target
Zero.exe
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Size
17.9MB
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Sample
240311-pg1s5sbh41
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MD5
2998f4003a3e6f71c2bed6f03c41010a
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SHA1
b84576dc70782fd5611bb2b7823322d5b54dae59
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SHA256
765a8be97a33e9c9dd98f186fe9088b7baafa2900dc706d15d23544b5189ff80
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SHA512
82adf8b7e92ed13c7844cf04714c15e8e320966504b4d26479f6cee7171c7cf1932fc0830764ba6b0279e64974fbd05bde629288add7f7108a720342d8c773b6
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SSDEEP
196608:ORcji51nFGAsxIBTKGu+4xIA/HEaFBheW4+SbI2oenTFLdT:OG251FGAsxevuxx3/KT+SbIZE
Static task
static1
Behavioral task
behavioral1
Sample
Zero.exe
Resource
win11-20240221-en
Malware Config
Extracted
crimsonrat
185.136.161.124
Targets
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Target
Zero.exe
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Size
17.9MB
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MD5
2998f4003a3e6f71c2bed6f03c41010a
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SHA1
b84576dc70782fd5611bb2b7823322d5b54dae59
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SHA256
765a8be97a33e9c9dd98f186fe9088b7baafa2900dc706d15d23544b5189ff80
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SHA512
82adf8b7e92ed13c7844cf04714c15e8e320966504b4d26479f6cee7171c7cf1932fc0830764ba6b0279e64974fbd05bde629288add7f7108a720342d8c773b6
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SSDEEP
196608:ORcji51nFGAsxIBTKGu+4xIA/HEaFBheW4+SbI2oenTFLdT:OG251FGAsxevuxx3/KT+SbIZE
Score10/10-
CrimsonRAT main payload
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Modifies WinLogon for persistence
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Disables RegEdit via registry modification
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Downloads MZ/PE file
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Executes dropped EXE
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Adds Run key to start application
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Drops desktop.ini file(s)
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Legitimate hosting services abused for malware hosting/C2
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Sets desktop wallpaper using registry
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1