General
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Target
Bootstrapper.exe
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Size
9.4MB
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Sample
241120-1636cayqfj
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MD5
f2a6133b7f38fc49f792ae799d1b4750
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SHA1
6bef46ddde325f45a0e9ff123112c96bbd47c795
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SHA256
37bde6655e1272e159b9c2e3a7eee3f4e9a837c0f04240645d3991d112287f8d
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SHA512
f9611bed83b4bce1841868880a42dacb6b8f7e8859be1d85b3c8d3a365a0244566cbfb12294c7b2c82b15d6c0e47095d8246a95d522c3a064a0d8511b2411254
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SSDEEP
98304:UHuETr54/xXEPmZM8l2EKSxOyFOiC0YYWtS7tkk6Q9SFxVLUeRF:2pIxXoSTlzdFfCtlIZ/9iZX
Static task
static1
Behavioral task
behavioral1
Sample
Bootstrapper.exe
Resource
win10v2004-20241007-en
Malware Config
Targets
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Target
Bootstrapper.exe
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Size
9.4MB
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MD5
f2a6133b7f38fc49f792ae799d1b4750
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SHA1
6bef46ddde325f45a0e9ff123112c96bbd47c795
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SHA256
37bde6655e1272e159b9c2e3a7eee3f4e9a837c0f04240645d3991d112287f8d
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SHA512
f9611bed83b4bce1841868880a42dacb6b8f7e8859be1d85b3c8d3a365a0244566cbfb12294c7b2c82b15d6c0e47095d8246a95d522c3a064a0d8511b2411254
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SSDEEP
98304:UHuETr54/xXEPmZM8l2EKSxOyFOiC0YYWtS7tkk6Q9SFxVLUeRF:2pIxXoSTlzdFfCtlIZ/9iZX
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Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
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Downloads MZ/PE file
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Event Triggered Execution: Image File Execution Options Injection
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A potential corporate email address has been identified in the URL: [email protected]
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Deletes itself
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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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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops desktop.ini file(s)
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Legitimate hosting services abused for malware hosting/C2
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Checks system information in the registry
System information is often read in order to detect sandboxing environments.
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Drops file in System32 directory
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Suspicious use of NtCreateThreadExHideFromDebugger
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Suspicious use of NtSetInformationThreadHideFromDebugger
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Active Setup
1Browser Extensions
1Event Triggered Execution
2Component Object Model Hijacking
1Image File Execution Options Injection
1Privilege Escalation
Boot or Logon Autostart Execution
1Active Setup
1Event Triggered Execution
2Component Object Model Hijacking
1Image File Execution Options Injection
1Defense Evasion
Modify Registry
5Subvert Trust Controls
1Install Root Certificate
1