General
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Target
Fisch.exe
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Size
37.3MB
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Sample
241112-1n5w8a1lfs
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MD5
7ff657b71e0884066de97dfef21938fb
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SHA1
3957b26c8c9926adc03382dc26a16d48a6c9d565
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SHA256
0738084ae2ae02b91998207bdfe327d26575b12b25cb8ff5937ea0ed974bf95e
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SHA512
2cd283cef2572627bbdf8794da41c074c6eb2172b8e1a33a7a9820e7dadc952ce5a126889cc6dd6c6ebad2988119efbe8e4b3f80698d73d3fb020ea1a5856556
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SSDEEP
786432:B3on1HvSzxAMN9FZArYsQxcPvx7OZuEyL:BYn1HvSpN9XmIctuyL
Static task
static1
Behavioral task
behavioral1
Sample
Fisch.exe
Resource
win11-20241007-en
Malware Config
Targets
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Target
Fisch.exe
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Size
37.3MB
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MD5
7ff657b71e0884066de97dfef21938fb
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SHA1
3957b26c8c9926adc03382dc26a16d48a6c9d565
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SHA256
0738084ae2ae02b91998207bdfe327d26575b12b25cb8ff5937ea0ed974bf95e
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SHA512
2cd283cef2572627bbdf8794da41c074c6eb2172b8e1a33a7a9820e7dadc952ce5a126889cc6dd6c6ebad2988119efbe8e4b3f80698d73d3fb020ea1a5856556
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SSDEEP
786432:B3on1HvSzxAMN9FZArYsQxcPvx7OZuEyL:BYn1HvSpN9XmIctuyL
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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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Downloads MZ/PE file
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A potential corporate email address has been identified in the URL: [email protected]
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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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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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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
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Component Object Model Hijacking
1Scheduled Task/Job
1Scheduled Task
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
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
3Subvert Trust Controls
2Install Root Certificate
1SIP and Trust Provider Hijacking
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1