General
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Target
621de6d0edff7f4a71f14002d2f31d5ef0a20d3c5d279c0016d6cd4d6cd525e3
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Size
506KB
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Sample
250118-nenkcs1qfz
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MD5
cea8687c16ca4de232b21a53308714d3
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SHA1
88d8fbf3e679fa2c081e79d9b561d31b8a359538
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SHA256
621de6d0edff7f4a71f14002d2f31d5ef0a20d3c5d279c0016d6cd4d6cd525e3
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SHA512
e09aedf77f7eedd2e49825bda4ac6e966c301135419d857df2e2c86d78c82c48d09609ed6b6937a5f4582276395bd22f8d51fd1ab3e84e287edac207e8942b3f
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SSDEEP
12288:/LMEalqxXblqoRX5qbfphLxaOSoSDi7mbsG46w:zqaXNabfphLxaVpDiiQ9
Static task
static1
Behavioral task
behavioral1
Sample
621de6d0edff7f4a71f14002d2f31d5ef0a20d3c5d279c0016d6cd4d6cd525e3.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
621de6d0edff7f4a71f14002d2f31d5ef0a20d3c5d279c0016d6cd4d6cd525e3.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
njrat
0.7d
Lammer
ie-serving.gl.at.ply.gg:18976
d386661cfe8f30c3a692533641b57806
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reg_key
d386661cfe8f30c3a692533641b57806
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splitter
|'|'|
Extracted
njrat
0.7d
Lammer1
ie-serving.gl.at.ply.gg:18976
82f896a33c031e162176bdb24630461b
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reg_key
82f896a33c031e162176bdb24630461b
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splitter
|'|'|
Targets
-
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Target
621de6d0edff7f4a71f14002d2f31d5ef0a20d3c5d279c0016d6cd4d6cd525e3
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Size
506KB
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MD5
cea8687c16ca4de232b21a53308714d3
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SHA1
88d8fbf3e679fa2c081e79d9b561d31b8a359538
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SHA256
621de6d0edff7f4a71f14002d2f31d5ef0a20d3c5d279c0016d6cd4d6cd525e3
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SHA512
e09aedf77f7eedd2e49825bda4ac6e966c301135419d857df2e2c86d78c82c48d09609ed6b6937a5f4582276395bd22f8d51fd1ab3e84e287edac207e8942b3f
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SSDEEP
12288:/LMEalqxXblqoRX5qbfphLxaOSoSDi7mbsG46w:zqaXNabfphLxaVpDiiQ9
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Njrat family
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Modifies Windows Firewall
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Drops startup file
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Executes dropped EXE
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Loads dropped DLL
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Adds Run key to start application
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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
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
2Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1SIP and Trust Provider Hijacking
1