General
- Target driver_booster_setup_cyri.exe
- Size 28.4MB
- Sample260802-1f9kfascqc
- SHA256 6c6fb40971632eb14c5b0fcce876c26f19d17d78a67885758cc52a614ac1ca1f
- MD5 77a5eb33237fb870b06d3f813737ec2e
- SHA1 6f456059ca6930a448f340c9be30eb75b37ab1a5
- SHA512 7db0636cb43d3efee6ede1ffcab775e6c30695261c645fbeb54a69e37f50472e6ae7590a5ae79102a8e4233139366f6a570f463c03e088e2f4233dd1a8982bc4
- SSDEEP 786432:UkrUn/DGedNtdUz7sUOeVWBOwRmgHdF3t/30k:rU/DG2VUHs8Mj9V130k
- TLSH T171673344D39F2072E1C7B27779D2A2235E233BF356FA988ADCB1C10D1D36644A0766AD
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
driver_booster_setup_cyri.exe
Resource
win11-20260513-en
29 signatures
120 seconds
Malware Config
Targets
-
- Target driver_booster_setup_cyri.exe
- Size 28.4MB
- SHA256 6c6fb40971632eb14c5b0fcce876c26f19d17d78a67885758cc52a614ac1ca1f
- MD5 77a5eb33237fb870b06d3f813737ec2e
- SHA1 6f456059ca6930a448f340c9be30eb75b37ab1a5
- SHA512 7db0636cb43d3efee6ede1ffcab775e6c30695261c645fbeb54a69e37f50472e6ae7590a5ae79102a8e4233139366f6a570f463c03e088e2f4233dd1a8982bc4
- SSDEEP 786432:UkrUn/DGedNtdUz7sUOeVWBOwRmgHdF3t/30k:rU/DG2VUHs8Mj9V130k
- TLSH T171673344D39F2072E1C7B27779D2A2235E233BF356FA988ADCB1C10D1D36644A0766AD
- MD5 SHA1 SHA512 SSDEEP TLSH
-
ACProtect 1.3x - 1.4x DLL software
Detects file using ACProtect software.
-
Executes dropped EXE
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Loads dropped DLL
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Accesses Microsoft Outlook profiles
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Checks for any installed AV software in registry
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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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Drops desktop.ini file(s)
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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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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
MITRE ATT&CK Enterprise v16
Defense Evasion
Modify Registry
1Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1Install Root Certificate
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1