General
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Target
CrimsonRAT.exe
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Size
84KB
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Sample
250219-selszssrew
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MD5
b6e148ee1a2a3b460dd2a0adbf1dd39c
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SHA1
ec0efbe8fd2fa5300164e9e4eded0d40da549c60
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SHA256
dc31e710277eac1b125de6f4626765a2684d992147691a33964e368e5f269cba
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SHA512
4b8c62ddfc7cd3e5ce1f8b5a1ba4a611ab1bfccf81d80cf2cfc831cffa1d7a4b6da0494616a53b419168bc3a324b57382d4a6186af083de6fc93d144c4503741
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SSDEEP
1536:IjoAILD000jsdtP66K3uch3bCuExwwSV712fRp1Oo2IeG:IqLD000wD6VRhLbzwSv2H1beG
Static task
static1
Behavioral task
behavioral1
Sample
CrimsonRAT.exe
Resource
win11-20250217-en
Malware Config
Extracted
crimsonrat
185.136.161.124
Targets
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Target
CrimsonRAT.exe
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Size
84KB
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MD5
b6e148ee1a2a3b460dd2a0adbf1dd39c
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SHA1
ec0efbe8fd2fa5300164e9e4eded0d40da549c60
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SHA256
dc31e710277eac1b125de6f4626765a2684d992147691a33964e368e5f269cba
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SHA512
4b8c62ddfc7cd3e5ce1f8b5a1ba4a611ab1bfccf81d80cf2cfc831cffa1d7a4b6da0494616a53b419168bc3a324b57382d4a6186af083de6fc93d144c4503741
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SSDEEP
1536:IjoAILD000jsdtP66K3uch3bCuExwwSV712fRp1Oo2IeG:IqLD000wD6VRhLbzwSv2H1beG
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CrimsonRAT main payload
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Crimsonrat family
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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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Modifies system executable filetype association
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Legitimate hosting services abused for malware hosting/C2
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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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MITRE ATT&CK Enterprise v15
Persistence
Event Triggered Execution
2Change Default File Association
1Component Object Model Hijacking
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Event Triggered Execution
2Change Default File Association
1Component Object Model Hijacking
1