General
- Target Ktama Crypter Server v2.0.1.exe
- Size 3.7MB
- Sample260709-ssd1ascx8q
- SHA256 a71670e73cbe1ab76665d086c45cc1d8b602a145d9a43b5404b266f71c6e9767
- MD5 0e1906440871b285073bfeb872917a6e
- SHA1 f5e335974d0e84d25c29375b95f8dafe14941c2c
- SHA512 9102101374a3caffb2c9f47ac4d74313e5ecea685ed113bcb00468a1c5f7e2917699b1626586c5aa8f192bf405888f5c19cce72bd66bb856296f7ca813d63273
- SSDEEP 49152:9TUkswdPO2nNGyGqSFluk2jxi2ok4NGdmJBKW+AghRDUeiURmRWSgN+R0KcSU:9UkNTNHGq9IOHqUWp5nEfMRd3
- TLSH T1040622902DE39274E45406F0723DEBE842473D23A96BCA3D8DF03BCA76F43A5A1C5965
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
Ktama Crypter Server v2.0.1.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
Ktama Crypter Server v2.0.1.exe
Resource
win11ltsc2024-20260706-en
Malware Config
Targets
-
- Target Ktama Crypter Server v2.0.1.exe
- Size 3.7MB
- SHA256 a71670e73cbe1ab76665d086c45cc1d8b602a145d9a43b5404b266f71c6e9767
- MD5 0e1906440871b285073bfeb872917a6e
- SHA1 f5e335974d0e84d25c29375b95f8dafe14941c2c
- SHA512 9102101374a3caffb2c9f47ac4d74313e5ecea685ed113bcb00468a1c5f7e2917699b1626586c5aa8f192bf405888f5c19cce72bd66bb856296f7ca813d63273
- SSDEEP 49152:9TUkswdPO2nNGyGqSFluk2jxi2ok4NGdmJBKW+AghRDUeiURmRWSgN+R0KcSU:9UkNTNHGq9IOHqUWp5nEfMRd3
- TLSH T1040622902DE39274E45406F0723DEBE842473D23A96BCA3D8DF03BCA76F43A5A1C5965
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Identifies VirtualBox via ACPI registry values (likely anti-VM)
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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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Event Triggered Execution: Component Object Model Hijacking
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
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Executes dropped EXE
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Loads dropped DLL
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Modifies system executable filetype association
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Checks whether UAC is enabled
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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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Suspicious use of NtSetInformationThreadHideFromDebugger
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
2Change Default File Association
1Component Object Model Hijacking
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
2Change Default File Association
1Component Object Model Hijacking
1Defense Evasion
Modify Registry
5Subvert Trust Controls
1Install Root Certificate
1Virtualization/Sandbox Evasion
1