MalwareAnalysisReports/LockBit5.0/Lockbit 5.0 loader analysis.md at main · VenzoV/MalwareAnalysisReports
Excerpt
analysis.md at main · VenzoV/MalwareAnalysisReports
By VenzoV
Sample Information
SHA256
Summary of execution flow
JMP address values iare obfuscated using opaque predicates and MBA.
Antidebug checks( NtGlobalFlag,PEB-> BeingDebugged, IsDebuggerPresent(), CheckRemoteDebugger() ) .
Dynamically Resolves API. (Full list below).
Maps clean copy of both Kernel32.dll and ntdll.dll to avoid EDR hooks.
Shellcode stubs generated dynamically which perform JMPs to specifc resolved API. Xorshift128 decryption.
Process Injecti…
The opening of the report, shown for reference. The full report, with its figures and indicators, is published by GitHub on github.com.
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