General
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Target
BlueStacksInstaller_5.21.600.1019_native_f144868cd72d8fda38c8a95ec9934541_MzsxNSwwOzUsMTsxNSw0OzE1LA==.exe
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Size
913KB
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Sample
241110-n4jygawgpf
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MD5
86b016ee6a71a5219f56779885f691ef
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SHA1
1a40a93403e1004f7f8033c5afee8196db16700a
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SHA256
a56fd8aa5ffdaddaf58e4fbe8cbb2359fd11f2a93f34d9d0df610baf96972207
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SHA512
9f9860782ad93a3a43a9d4509635ac5a08317d3ee60ae314ebdaf4b61855c0a697ca0e5561b5452040763bec719394baaaa1ac4c23c00842be4806ab4dde42a7
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SSDEEP
12288:tivtCXQd0gjKX7zuqGKY5Ha3z1cNoaMq+zfxUEwOwGPaGb4hmsLBeJs0RXfGPtRF:tivtCXWeGKY81Oq8wX5RXfGPTSKdvaU
Static task
static1
Behavioral task
behavioral1
Sample
BlueStacksInstaller_5.21.600.1019_native_f144868cd72d8fda38c8a95ec9934541_MzsxNSwwOzUsMTsxNSw0OzE1LA==.exe
Resource
win11-20241007-en
Malware Config
Targets
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Target
BlueStacksInstaller_5.21.600.1019_native_f144868cd72d8fda38c8a95ec9934541_MzsxNSwwOzUsMTsxNSw0OzE1LA==.exe
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Size
913KB
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MD5
86b016ee6a71a5219f56779885f691ef
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SHA1
1a40a93403e1004f7f8033c5afee8196db16700a
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SHA256
a56fd8aa5ffdaddaf58e4fbe8cbb2359fd11f2a93f34d9d0df610baf96972207
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SHA512
9f9860782ad93a3a43a9d4509635ac5a08317d3ee60ae314ebdaf4b61855c0a697ca0e5561b5452040763bec719394baaaa1ac4c23c00842be4806ab4dde42a7
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SSDEEP
12288:tivtCXQd0gjKX7zuqGKY5Ha3z1cNoaMq+zfxUEwOwGPaGb4hmsLBeJs0RXfGPtRF:tivtCXWeGKY81Oq8wX5RXfGPTSKdvaU
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Creates new service(s)
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Manipulates Digital Signatures
Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.
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Possible privilege escalation attempt
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A potential corporate email address has been identified in the URL: [email protected]/20241110/auto/storage/goog4_request
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Modifies file permissions
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Adds Run key to start application
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Downloads MZ/PE file
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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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Modifies Windows Firewall
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Deletes itself
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Drops file in System32 directory
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Enumerates processes with tasklist
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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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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
3Windows Service
3Event Triggered Execution
2Component Object Model Hijacking
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
3Windows Service
3Event Triggered Execution
2Component Object Model Hijacking
1Netsh Helper DLL
1Defense Evasion
File and Directory Permissions Modification
1Impair Defenses
2Disable or Modify System Firewall
1Modify Registry
3Subvert Trust Controls
3Install Root Certificate
1SIP and Trust Provider Hijacking
2Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1