General
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Target
BootstrapperV1.23.exe
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Size
37.2MB
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Sample
241121-zs963aslak
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MD5
e9b094de7dbacc45f77d4c85e0c7c6ce
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SHA1
2a921a57c92a5db995f89fffa7810d7d98a9318f
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SHA256
6e0f5a9ddf9cfc12cdd21e617cdc4af568fd0d829d54c9380b0d8a6ffd833af3
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SHA512
ba47a9882da40b6bc862d94d38a9afeed2df0825df13070681b7ab1f5ac1f5d5430de6f27bef7e5af772aa46598eb7c247f700fada83d9557cc15c044e1d7e3f
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SSDEEP
393216:BQgHDlanaGBXvDKtz+bhPWES4tiNQPNrIKc4gaPbUAgrO4mgf96l+ZArYsFRl1GD:B3on1HvSzxAMNfFZArYsGMTPv47OZuki
Static task
static1
Behavioral task
behavioral1
Sample
BootstrapperV1.23.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
BootstrapperV1.23.exe
Resource
win10v2004-20241007-en
Malware Config
Targets
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Target
BootstrapperV1.23.exe
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Size
37.2MB
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MD5
e9b094de7dbacc45f77d4c85e0c7c6ce
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SHA1
2a921a57c92a5db995f89fffa7810d7d98a9318f
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SHA256
6e0f5a9ddf9cfc12cdd21e617cdc4af568fd0d829d54c9380b0d8a6ffd833af3
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SHA512
ba47a9882da40b6bc862d94d38a9afeed2df0825df13070681b7ab1f5ac1f5d5430de6f27bef7e5af772aa46598eb7c247f700fada83d9557cc15c044e1d7e3f
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SSDEEP
393216:BQgHDlanaGBXvDKtz+bhPWES4tiNQPNrIKc4gaPbUAgrO4mgf96l+ZArYsFRl1GD:B3on1HvSzxAMNfFZArYsGMTPv47OZuki
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Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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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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Adds Run key to start application
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Blocklisted process makes network request
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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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Legitimate hosting services abused for malware hosting/C2
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An obfuscated cmd.exe command-line is typically used to evade detection.
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Drops file in System32 directory
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Enumerates processes with tasklist
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Component Object Model Hijacking
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Component Object Model Hijacking
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
2Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1