Analysis
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max time kernel
150s -
max time network
71s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
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submitted
10-01-2023 02:32
General
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Target
d4bf4aa1811c33145d8fd41966f28fd5cdae2f88.exe
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Size
838KB
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MD5
4a9fa940e898ebcc4f723cad30f0ad07
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SHA1
d4bf4aa1811c33145d8fd41966f28fd5cdae2f88
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SHA256
e1a4f84716f597d3bdb3097fd7d3cf6db230f853c2719156cc5a1ae1b7b5051c
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SHA512
c23c3bbfda82df201f5f5ea429e0aa6c14ccfd8cbd43addbbfc5d77dfa0717ed02d60c7ab8a581cdfc651653223b339246374bd892cb7c546b5245e1ea0206bc
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SSDEEP
12288:SXo30W26PmYn4QqWJgksAQYUT6eETMaICXadZe09CKEvYzQq6E+UFRZECNzYlL:SXo526e49CbaMavt0IfY8vE+MRGizML
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
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Loads dropped DLL 3 IoCs
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Adds Run key to start application 2 TTPs 2 IoCs
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Enumerates connected drives 3 TTPs 22 IoCs
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) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 29 IoCs
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Suspicious behavior: RenamesItself 1 IoCs
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Suspicious use of FindShellTrayWindow 12 IoCs
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Suspicious use of SendNotifyMessage 12 IoCs
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Suspicious use of SetWindowsHookEx 2 IoCs
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Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\d4bf4aa1811c33145d8fd41966f28fd5cdae2f88.exe"C:\Users\Admin\AppData\Local\Temp\d4bf4aa1811c33145d8fd41966f28fd5cdae2f88.exe"1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
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C:\ProgramData\isecurity.exeC:\ProgramData\isecurity.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
830KB
MD53f6a90e1ac85e296d3da4283ada9eaf2
SHA1ee32ce828dd445a4e45b057a68af8e9fde79d42a
SHA256ce0075e8ab4c6c5455b362c35e077ed409cef1c31f3ea5e1a7b007eaefc22757
SHA512bfdb6a57c4673ff209272279174305e9d19c54a569ca63b030be85f05cbc0c4845aa2447449def390a9b7356511950c65481505ec75f0eaefa65c5c1dfd208ac
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Filesize
830KB
MD53f6a90e1ac85e296d3da4283ada9eaf2
SHA1ee32ce828dd445a4e45b057a68af8e9fde79d42a
SHA256ce0075e8ab4c6c5455b362c35e077ed409cef1c31f3ea5e1a7b007eaefc22757
SHA512bfdb6a57c4673ff209272279174305e9d19c54a569ca63b030be85f05cbc0c4845aa2447449def390a9b7356511950c65481505ec75f0eaefa65c5c1dfd208ac
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Filesize
830KB
MD53f6a90e1ac85e296d3da4283ada9eaf2
SHA1ee32ce828dd445a4e45b057a68af8e9fde79d42a
SHA256ce0075e8ab4c6c5455b362c35e077ed409cef1c31f3ea5e1a7b007eaefc22757
SHA512bfdb6a57c4673ff209272279174305e9d19c54a569ca63b030be85f05cbc0c4845aa2447449def390a9b7356511950c65481505ec75f0eaefa65c5c1dfd208ac
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Filesize
830KB
MD53f6a90e1ac85e296d3da4283ada9eaf2
SHA1ee32ce828dd445a4e45b057a68af8e9fde79d42a
SHA256ce0075e8ab4c6c5455b362c35e077ed409cef1c31f3ea5e1a7b007eaefc22757
SHA512bfdb6a57c4673ff209272279174305e9d19c54a569ca63b030be85f05cbc0c4845aa2447449def390a9b7356511950c65481505ec75f0eaefa65c5c1dfd208ac
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Filesize
8KB
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Filesize
1008KB
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Filesize
1008KB
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Filesize
6.2MB
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Filesize
6.2MB
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Filesize
6.2MB
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Filesize
6.2MB
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Filesize
6.2MB