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Resubmissions

11/05/2024, 16:54

240511-vencxsbb39 8

11/05/2024, 16:45

240511-t9pnssga2y 8

General

  • Target

    sigmaratexecv3.exe

  • Size

    15.8MB

  • Sample

    240511-t9pnssga2y

  • MD5

    278f86bfca38365b29120354f3c2884f

  • SHA1

    9a3d76f6775d082ce5907503e12c9810e79f10a7

  • SHA256

    307b1acd876c7303ee86290b36a1cd35a4cd074671bcff4dbaff8e7d4ecbffcf

  • SHA512

    072cc4e72a564ad2543d1fafcdf824b7086c6020f661aafc58f26b78620a1d211b09af94da53e1ae8471ad73a92774e69877d3da974ae5ef8faba70838ee1854

  • SSDEEP

    393216:9o9Ddnnx89uxfQ5L1V8dkurEUWjPCEhM1tkRmyV+da:i9ZnxGuWRndbqh16Rm4+da

Malware Config

Targets

    • Target

      sigmaratexecv3.exe

    • Size

      15.8MB

    • MD5

      278f86bfca38365b29120354f3c2884f

    • SHA1

      9a3d76f6775d082ce5907503e12c9810e79f10a7

    • SHA256

      307b1acd876c7303ee86290b36a1cd35a4cd074671bcff4dbaff8e7d4ecbffcf

    • SHA512

      072cc4e72a564ad2543d1fafcdf824b7086c6020f661aafc58f26b78620a1d211b09af94da53e1ae8471ad73a92774e69877d3da974ae5ef8faba70838ee1854

    • SSDEEP

      393216:9o9Ddnnx89uxfQ5L1V8dkurEUWjPCEhM1tkRmyV+da:i9ZnxGuWRndbqh16Rm4+da

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Blocklisted process makes network request

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks