General

  • Target

    no_pass_virus.zip

  • Size

    36.5MB

  • Sample

    240528-v92tsseh34

  • MD5

    c3567a4f1b6fb3f24402f1e615ff2958

  • SHA1

    00a80986fe48ce872bbc2bd110e6c6b7e70396af

  • SHA256

    8cfa451af9b3468c84c8d68cbcd571ef98ab1010cb3cb8d8a22f84886863d087

  • SHA512

    411c89d776c5cfd71ea78160a12ea58c893ea7cd799744b6142ef12528bd387c7ad1184d831f8c36d9070a7ea5613a8d7b7b005b961b4fd958cd77de02364126

  • SSDEEP

    786432:s2S+ExB+0Gfo7hMawv53dYceB1i9XXlF1FgRQPDiQSnK+2OAamA4l9Prej9:sv+Epb1xCddYEPIGPGQx+2OChreZ

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://opensun.monster/25053.bs64

Targets

    • Target

      no_pass_virus.zip

    • Size

      36.5MB

    • MD5

      c3567a4f1b6fb3f24402f1e615ff2958

    • SHA1

      00a80986fe48ce872bbc2bd110e6c6b7e70396af

    • SHA256

      8cfa451af9b3468c84c8d68cbcd571ef98ab1010cb3cb8d8a22f84886863d087

    • SHA512

      411c89d776c5cfd71ea78160a12ea58c893ea7cd799744b6142ef12528bd387c7ad1184d831f8c36d9070a7ea5613a8d7b7b005b961b4fd958cd77de02364126

    • SSDEEP

      786432:s2S+ExB+0Gfo7hMawv53dYceB1i9XXlF1FgRQPDiQSnK+2OAamA4l9Prej9:sv+Epb1xCddYEPIGPGQx+2OChreZ

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Drops file in Drivers directory

    • Sets service image path in registry

    • Executes dropped EXE

    • Loads dropped DLL

    • Enumerates connected drives

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

    • Legitimate hosting services abused for malware hosting/C2

    • Checks system information in the registry

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

    • Detected potential entity reuse from brand microsoft.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks