General

  • Target

    d97a38c3bea371da6d9dfaee99ed039d.exe

  • Size

    4.3MB

  • Sample

    211126-l7yvpafad2

  • MD5

    d97a38c3bea371da6d9dfaee99ed039d

  • SHA1

    1fec3033a83b2ceea2f34bf81fc0929d2570fbdd

  • SHA256

    df9df29f3c0d3af0e23a5f32be956469661f8f4006162442737452f5c5709744

  • SHA512

    781c60f7af50fd41985afec6a8cc994656505c676a83624e624821a999a92bbb7d0924e06cd4171dbcbed436d34bfae5c865c9b9b6d31acb0f3c48877e34ea1d

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://raw.githubusercontent.com/sqlitey/sqlite/master/speed.ps1

Targets

    • Target

      d97a38c3bea371da6d9dfaee99ed039d.exe

    • Size

      4.3MB

    • MD5

      d97a38c3bea371da6d9dfaee99ed039d

    • SHA1

      1fec3033a83b2ceea2f34bf81fc0929d2570fbdd

    • SHA256

      df9df29f3c0d3af0e23a5f32be956469661f8f4006162442737452f5c5709744

    • SHA512

      781c60f7af50fd41985afec6a8cc994656505c676a83624e624821a999a92bbb7d0924e06cd4171dbcbed436d34bfae5c865c9b9b6d31acb0f3c48877e34ea1d

    • ServHelper

      ServHelper is a backdoor written in Delphi and is associated with the hacking group TA505.

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

    • Blocklisted process makes network request

    • Modifies RDP port number used by Windows

    • Possible privilege escalation attempt

    • Sets DLL path for service in the registry

    • UPX packed file

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

    • Loads dropped DLL

    • Modifies file permissions

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v6

Tasks