General
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Target
Innovarteks-setup 1.0.exe
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Size
143.5MB
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Sample
250107-sbtdnawkb1
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MD5
87c8b487c3903bbc37ba9533680630c5
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SHA1
743d43f1d007f06de961b10ed29d861574008ffa
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SHA256
be1e902f9a7d42b9f38f93a96f877f4a206a823f64a6bf00f343d9cd00b981ad
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SHA512
5ac443a52d0d7780c6bb3831f75579fc8310629f8a906274c3d1b40d955cada2469f7f6723c4be4e8cdaa5feecafcfc34d4b0a3a5a5a6a3439854117c767d02d
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SSDEEP
3145728:qP+bSC++4uDXW4HTx+3MEwy+E9MPWzJUrYX5M3gbcKCXoOE23QtlV:W+2CauDXWz8eJ9LzJaYE2C6z
Behavioral task
behavioral1
Sample
Innovarteks-setup 1.0.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Innovarteks-setup 1.0.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
crimsonrat
185.136.161.124
Targets
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Target
Innovarteks-setup 1.0.exe
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Size
143.5MB
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MD5
87c8b487c3903bbc37ba9533680630c5
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SHA1
743d43f1d007f06de961b10ed29d861574008ffa
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SHA256
be1e902f9a7d42b9f38f93a96f877f4a206a823f64a6bf00f343d9cd00b981ad
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SHA512
5ac443a52d0d7780c6bb3831f75579fc8310629f8a906274c3d1b40d955cada2469f7f6723c4be4e8cdaa5feecafcfc34d4b0a3a5a5a6a3439854117c767d02d
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SSDEEP
3145728:qP+bSC++4uDXW4HTx+3MEwy+E9MPWzJUrYX5M3gbcKCXoOE23QtlV:W+2CauDXWz8eJ9LzJaYE2C6z
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CrimsonRAT main payload
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Crimsonrat family
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Darkcomet family
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ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
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Modifies WinLogon for persistence
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Modiloader family
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ModiLoader First Stage
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Downloads MZ/PE file
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Modifies Windows Firewall
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Office macro that triggers on suspicious action
Office document macro which triggers in special circumstances - often malicious.
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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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Adds Run key to start application
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Legitimate hosting services abused for malware hosting/C2
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Drops file in System32 directory
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
3