Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
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submitted
29-03-2023 19:26
General
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Target
bbdac308d2b15a4724de7919bf8e9ffa713dea60ae3a482417c44c60012a654b.exe
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Size
720KB
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MD5
163e651162f292028ca9a8d7f1ed7340
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SHA1
a85ff9091f298ea2d6823a7b0053daa08b237423
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SHA256
bbdac308d2b15a4724de7919bf8e9ffa713dea60ae3a482417c44c60012a654b
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SHA512
f1cd02b07219d40d489b8000a92e20fca0c3e536a7dde25b98b7be0ce54a46349dcea9e66bef8f7fbd895ce7e5b22e3f3a46fbb9c7dcea4185b3937384f1649f
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SSDEEP
12288:A+2ZzbQ32UC1pC0q1oJn2OR9YA/SnHaetVkiIGjltRztp:A+4OECVCn2OR9r/kaetNIOtZ
Malware Config
Signatures
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Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Modifies extensions of user files 1 IoCs
Ransomware generally changes the extension on encrypted files.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Enumerates connected drives 3 TTPs 25 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
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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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Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
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Suspicious behavior: EnumeratesProcesses 62 IoCs
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Suspicious use of AdjustPrivilegeToken 4 IoCs
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Suspicious use of WriteProcessMemory 4 IoCs
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Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\bbdac308d2b15a4724de7919bf8e9ffa713dea60ae3a482417c44c60012a654b.exe"C:\Users\Admin\AppData\Local\Temp\bbdac308d2b15a4724de7919bf8e9ffa713dea60ae3a482417c44c60012a654b.exe"1⤵
- Modifies extensions of user files
- Checks computer location settings
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\vssadmin.exevssadmin.exe delete shadows /all /quiet3⤵
- Interacts with shadow copies
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken