Resubmissions
24-01-2025 18:40
250124-xa9rgaskbs 1024-01-2025 18:35
250124-w8pzaa1rhw 1024-01-2025 12:51
250124-p3g8xs1jel 1024-01-2025 12:32
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250122-rk6jxaznbz 1008-12-2024 13:45
241208-q2cgqavpby 1003-12-2024 09:57
241203-ly26rawjfj 10General
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Target
freehacks.exe
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Size
105.5MB
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Sample
250124-w8pzaa1rhw
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MD5
4647bc264b4344c7ca47ae9adc130ba9
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SHA1
08280768ffd55e06203fc8f13d3e6f1745c7ee0c
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SHA256
742e3f0ca6967c947c99cbbff7f3eaa7f5059a1bba1714a20afee3d85312a439
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SHA512
9d2a9f90746e74819c441da86086fc716f2e9f54fbf77e4a1cfec2badb1d64b9fe0ba3e3f5304ad797613c27cb038fbddc551d4824b6445ab5f8d063e1424981
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SSDEEP
3145728:iZGbexf7I4RniT0BEI43vBrYwY+pOhdFs8rBb:isbexTi64/Bbp0KG
Static task
static1
Malware Config
Extracted
C:\$Recycle.Bin\S-1-5-21-2039016743-699959520-214465309-1000\KBBOLUBOR-MANUAL.txt
gandcrab
http://gandcrabmfe6mnef.onion/216b8f61ff7a206a
Targets
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Target
freehacks.exe
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Size
105.5MB
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MD5
4647bc264b4344c7ca47ae9adc130ba9
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SHA1
08280768ffd55e06203fc8f13d3e6f1745c7ee0c
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SHA256
742e3f0ca6967c947c99cbbff7f3eaa7f5059a1bba1714a20afee3d85312a439
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SHA512
9d2a9f90746e74819c441da86086fc716f2e9f54fbf77e4a1cfec2badb1d64b9fe0ba3e3f5304ad797613c27cb038fbddc551d4824b6445ab5f8d063e1424981
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SSDEEP
3145728:iZGbexf7I4RniT0BEI43vBrYwY+pOhdFs8rBb:isbexTi64/Bbp0KG
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Gandcrab family
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Hawkeye family
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Modifies WinLogon for persistence
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Wannacry family
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Event Triggered Execution: Image File Execution Options Injection
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Executes dropped EXE
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Loads dropped DLL
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Modifies file permissions
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Adds Run key to start application
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File and Directory Permissions Modification: Windows File and Directory Permissions Modification
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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System Binary Proxy Execution: Verclsid
Adversaries may abuse Verclsid to proxy execution of malicious code.
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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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AutoIT Executable
AutoIT scripts compiled to PE executables.
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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Event Triggered Execution
1Image File Execution Options Injection
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Event Triggered Execution
1Image File Execution Options Injection
1Defense Evasion
Direct Volume Access
1File and Directory Permissions Modification
2Windows File and Directory Permissions Modification
1Hide Artifacts
1Hidden Files and Directories
1Indicator Removal
2File Deletion
2Modify Registry
3Pre-OS Boot
1Bootkit
1System Binary Proxy Execution
1Verclsid
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1