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General
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Target
Bootstrapper.exe
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Size
930KB
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Sample
240802-tgvz4svfpg
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MD5
c9a401d6c0e482b97b31f69eef1d2d3a
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SHA1
1f3e86ad2606f45aa3318e289c4ec526e791c5c8
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SHA256
3eaae78d0fc85977b5b255dd9c94ad684049ef8f927205202ec264f0eb8538f4
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SHA512
75a57e1dd045189aadd8234540747dcaa841d1c7368e6bd05d3e6f512fa24138ed7ff55048d2a2bf71364f31e9ce86a518347eb135017ea9bfca6350c1425380
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SSDEEP
24576:PFOa2a98hIBdjSoeQDj/VNpZdZIznBpgh:tCoeQDjdNpZv
Static task
static1
Behavioral task
behavioral1
Sample
Bootstrapper.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
Bootstrapper.exe
Resource
win10v2004-20240802-en
Malware Config
Targets
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Target
Bootstrapper.exe
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Size
930KB
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MD5
c9a401d6c0e482b97b31f69eef1d2d3a
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SHA1
1f3e86ad2606f45aa3318e289c4ec526e791c5c8
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SHA256
3eaae78d0fc85977b5b255dd9c94ad684049ef8f927205202ec264f0eb8538f4
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SHA512
75a57e1dd045189aadd8234540747dcaa841d1c7368e6bd05d3e6f512fa24138ed7ff55048d2a2bf71364f31e9ce86a518347eb135017ea9bfca6350c1425380
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SSDEEP
24576:PFOa2a98hIBdjSoeQDj/VNpZdZIznBpgh:tCoeQDjdNpZv
Score10/10-
Modifies visiblity of hidden/system files in Explorer
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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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Blocklisted process makes network request
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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
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
2