General
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Target
SketchUp.Pro.v23.1.340.exe
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Size
175.5MB
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Sample
240630-c5wg4ssfkd
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MD5
cb8399ff8c656697cf226ac5797c6826
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SHA1
4eddcdf972e0b376ee40d511b5f6c08b387927fc
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SHA256
e5e01118ce44b280872170d116ad73df5861230e37b4430c2a8d5d4c5a24a3f8
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SHA512
546a4d8a0b71fac177704bd7c10be5741190ed524b40f7f7567e40312820234725211e77b3c575e84c92957b267060b06810f58d270ed63fedd3eea3f25a4635
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SSDEEP
3145728:Q2fgcm71h+rsRJ3/ePTiFzDiP9P4567vyoOSMUmP3gZFWZz+ThlgyHlFm6xy8ND:1f67iOwLi9SJ4567vyjUSqW5oqyH7g8Z
Static task
static1
Behavioral task
behavioral1
Sample
SketchUp.Pro.v23.1.340.exe
Resource
win10v2004-20240226-en
Malware Config
Targets
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Target
SketchUp.Pro.v23.1.340.exe
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Size
175.5MB
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MD5
cb8399ff8c656697cf226ac5797c6826
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SHA1
4eddcdf972e0b376ee40d511b5f6c08b387927fc
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SHA256
e5e01118ce44b280872170d116ad73df5861230e37b4430c2a8d5d4c5a24a3f8
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SHA512
546a4d8a0b71fac177704bd7c10be5741190ed524b40f7f7567e40312820234725211e77b3c575e84c92957b267060b06810f58d270ed63fedd3eea3f25a4635
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SSDEEP
3145728:Q2fgcm71h+rsRJ3/ePTiFzDiP9P4567vyoOSMUmP3gZFWZz+ThlgyHlFm6xy8ND:1f67iOwLi9SJ4567vyjUSqW5oqyH7g8Z
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Renames multiple (91) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Event Triggered Execution: Component Object Model Hijacking
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
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Executes dropped EXE
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Loads dropped DLL
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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.
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Drops file in System32 directory
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MITRE ATT&CK Matrix ATT&CK v13
Persistence
Event Triggered Execution
1Component Object Model Hijacking
1Pre-OS Boot
1Bootkit
1Defense Evasion
Pre-OS Boot
1Bootkit
1Modify Registry
2Subvert Trust Controls
1Install Root Certificate
1