Overview

overview

9

Static

static

4

ybbj30.exe

windows10-2004-x64

9

ybbj30.exe

windows11-ltsc_2024-x64

9

Sharing

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General

  • Target
    ybbj30.exe
  • Size 1.7MB
  • Sample260717-14epzaft6n
  • SHA256 de9b6333802fa51592ed5c7e8994c59e4fcf3563b42fad900d0a568909e546c5
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
costuradefense_evasionexecutionpacker

Malware Config

Targets

    • Target
      ybbj30.exe
    • Size 1.7MB
    • SHA256 de9b6333802fa51592ed5c7e8994c59e4fcf3563b42fad900d0a568909e546c5
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    9/10
    costuradefense_evasionexecutionpacker

    • Looks for VirtualBox Guest Additions in registry

      defense_evasion

    • Looks for VMWare Tools registry key

      defense_evasion

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Loads dropped DLL

    • Stops running service(s)

      defense_evasionexecution

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • SmartAssembly .NET packer

      Detects SmartAssembly .NET packer.

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks