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General
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Target
VisualStudioSetup.exe
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Size
4.2MB
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Sample
240825-bwbwnssemq
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MD5
e62b3d678739012ff21131b393e6eb6a
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SHA1
406a98376777e0366d7aeeea635e3bea2155006b
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SHA256
99a1e6a5c33d6ca8d7b308002a10d729bd8926afdf771a6b2c7a6f2e1c6af905
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SHA512
81ae566ee82fdce6700049923da4cfe5886d9c9ca82293744db1ed7cca5232a265cf620dbc03821f9f970a03318ccc867533489209f14647e916c1aa262ec733
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SSDEEP
98304:HEbiyM/1hbHw48psbOgCkrhZg7wKhaaKabT:AqhbQtC7rAwXy
Static task
static1
Behavioral task
behavioral1
Sample
VisualStudioSetup.exe
Resource
win11-20240802-en
Malware Config
Targets
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Target
VisualStudioSetup.exe
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Size
4.2MB
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MD5
e62b3d678739012ff21131b393e6eb6a
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SHA1
406a98376777e0366d7aeeea635e3bea2155006b
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SHA256
99a1e6a5c33d6ca8d7b308002a10d729bd8926afdf771a6b2c7a6f2e1c6af905
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SHA512
81ae566ee82fdce6700049923da4cfe5886d9c9ca82293744db1ed7cca5232a265cf620dbc03821f9f970a03318ccc867533489209f14647e916c1aa262ec733
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SSDEEP
98304:HEbiyM/1hbHw48psbOgCkrhZg7wKhaaKabT:AqhbQtC7rAwXy
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Credentials from Password Stores: Credentials from Web Browsers
Malicious Access or copy of Web Browser Credential store.
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Blocklisted process makes network request
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Disables RegEdit via registry modification
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Disables Task Manager via registry modification
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Disables use of System Restore points
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Impair Defenses: Safe Mode Boot
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Accesses cryptocurrency files/wallets, possible credential harvesting
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Adds Run key to start application
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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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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Event Triggered Execution: Image File Execution Options Injection
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Legitimate hosting services abused for malware hosting/C2
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Modifies Windows Firewall
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Drops file in System32 directory
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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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Modifies WinLogon for persistence
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Windows Management Instrumentation
1Persistence
Boot or Logon Autostart Execution
3Active Setup
1Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Browser Extensions
1Create or Modify System Process
2Windows Service
2Event Triggered Execution
3Component Object Model Hijacking
1Image File Execution Options Injection
1Netsh Helper DLL
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
3Active Setup
1Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Event Triggered Execution
3Component Object Model Hijacking
1Image File Execution Options Injection
1Netsh Helper DLL
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Direct Volume Access
1Impair Defenses
4Disable or Modify System Firewall
1Disable or Modify Tools
2Safe Mode Boot
1Indicator Removal
2File Deletion
2Modify Registry
9Subvert Trust Controls
1Install Root Certificate
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Discovery
Browser Information Discovery
1Network Service Discovery
1Peripheral Device Discovery
2Query Registry
7System Information Discovery
7System Location Discovery
1System Language Discovery
1System Network Configuration Discovery
1Internet Connection Discovery
1System Time Discovery
1