General
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Target
CucumberPerm.exe
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Size
4.4MB
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Sample
241001-sfyh6szcqa
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MD5
fdc104e5c49f8dbecfd3cdae4cd1786b
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SHA1
79e8c33151a53746865e13f4b12c4b6e7899c559
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SHA256
ee86642427c5a1b6f949f6e3161da1b8bb05594d4730f815ebc34478a79e76fd
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SHA512
b422308220a1adc81a7c0b082f9967e48f200b9de072ca56435d4ebb872709dcab00b1070e7c8cc5d927d24f760cf9eedae801f1a5ea13777d4807b7d2f326e2
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SSDEEP
98304:6hPPkkqr3RwUo8UTEF0pflxoLQVHIk9jh1zlgu/ymvOpUypuJK7Cjgzn:6hPPWBwT8kFl9th1z6uxODpRCEL
Static task
static1
Behavioral task
behavioral1
Sample
CucumberPerm.exe
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
CucumberPerm.exe
Resource
win11-20240802-en
Malware Config
Targets
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Target
CucumberPerm.exe
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Size
4.4MB
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MD5
fdc104e5c49f8dbecfd3cdae4cd1786b
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SHA1
79e8c33151a53746865e13f4b12c4b6e7899c559
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SHA256
ee86642427c5a1b6f949f6e3161da1b8bb05594d4730f815ebc34478a79e76fd
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SHA512
b422308220a1adc81a7c0b082f9967e48f200b9de072ca56435d4ebb872709dcab00b1070e7c8cc5d927d24f760cf9eedae801f1a5ea13777d4807b7d2f326e2
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SSDEEP
98304:6hPPkkqr3RwUo8UTEF0pflxoLQVHIk9jh1zlgu/ymvOpUypuJK7Cjgzn:6hPPWBwT8kFl9th1z6uxODpRCEL
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Modifies Windows Firewall
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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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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Checks system information in the registry
System information is often read in order to detect sandboxing environments.
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Drops file in System32 directory
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Suspicious use of NtSetInformationThreadHideFromDebugger
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1System Services
1Service Execution
1Persistence
Create or Modify System Process
2Windows Service
2Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Create or Modify System Process
2Windows Service
2Event Triggered Execution
1Netsh Helper DLL
1Defense Evasion
Impair Defenses
2Disable or Modify System Firewall
1Modify Registry
1Virtualization/Sandbox Evasion
1