General
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Target
The-MALWARE-Repo
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Size
298KB
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Sample
241027-hdl29asnap
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MD5
07c71f38ba70d3cd08780578f673366b
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SHA1
91920288a31959a00ba02ee68dbe64c874203e01
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SHA256
a2706ced712d733502af5ba0f15945a7c9744aa2fb1d9d98cc7aa3c128c5b523
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SHA512
56b93f6a9f77f715bca4b4fa07bfde2adf7440d8b01b8048bf1eb7cb6b446e15d0b4eaa9299dd001e3ea33d4c9fd30761334aebbccd9eb55528eeb50297b3cf6
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SSDEEP
6144:yLouSpOL/saqkPV9FemLtcsDSsmwF9VvZJT3CqbMrhryf65NRPaCieMjAkvCJv1N:AouSpOL/saqkPV9FemLtcsDSsmwF9Vv4
Static task
static1
Behavioral task
behavioral1
Sample
The-MALWARE-Repo
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
The-MALWARE-Repo
Resource
win10v2004-20241007-en
Malware Config
Extracted
crimsonrat
185.136.161.124
Targets
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Target
The-MALWARE-Repo
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Size
298KB
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MD5
07c71f38ba70d3cd08780578f673366b
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SHA1
91920288a31959a00ba02ee68dbe64c874203e01
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SHA256
a2706ced712d733502af5ba0f15945a7c9744aa2fb1d9d98cc7aa3c128c5b523
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SHA512
56b93f6a9f77f715bca4b4fa07bfde2adf7440d8b01b8048bf1eb7cb6b446e15d0b4eaa9299dd001e3ea33d4c9fd30761334aebbccd9eb55528eeb50297b3cf6
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SSDEEP
6144:yLouSpOL/saqkPV9FemLtcsDSsmwF9VvZJT3CqbMrhryf65NRPaCieMjAkvCJv1N:AouSpOL/saqkPV9FemLtcsDSsmwF9Vv4
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CrimsonRAT main payload
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Crimsonrat family
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Downloads MZ/PE file
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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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Loads dropped DLL
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Obfuscated with Agile.Net obfuscator
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
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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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Legitimate hosting services abused for malware hosting/C2
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MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
3