Extracted

• • Target
    _eeb2d44d0f86670ac2ee5e0b7aa44ec41b7be9962359f59ac21f736d7b0e7889.exe
  • Size 3.2MB
  • SHA256 eeb2d44d0f86670ac2ee5e0b7aa44ec41b7be9962359f59ac21f736d7b0e7889
  • MD5 27d3039a8ca9acbcbc985b88f27720a8
  • SHA1 16930eeb661537d9c34578174dfa6a0f2f00cece
  • SHA512 9335cd031b6ad7aa04d8322150a1aa5112232ae2c7910368630cf3c34c1afef44bd16effde9a6bc8b95bd398995092e99a09d5af7484b8645a4dddada5e8f85c
  • SSDEEP 49152:4+MRvHGGpdT5RMSKx/l6IhcLKH6D+z6tUpnJhG6uLK67MZ2Z9ftchfudg87dqn76:4r+GT/MSKH+i6DjQJU6u2+MYchXqdnMY
  • TLSH
    T15FF5F123B2CBE03EE05D0B3B4572A25894FBA7617523AD57DBE4849CCF260601E3E657
  • MD5 SHA1 SHA512 SSDEEP TLSH

  Score

  10^/10

  backdoordiscoveryvalleyrat_s2installerpersistenceadwareransomwarespyware

  • Family: ValleyRat

    ValleyRat stage2 is a backdoor written in C++.

    backdoorvalleyrat_s2

  • Badlisted process makes network request

    Network request originating from process or tool commonly abused by malware.

  • Boot or Logon Autostart Execution: Active Setup

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence

  • Checks computer location settings

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE

  • Loads dropped DLL

  • Adds Run key to start application

    persistence

  • Checks installed software on the system

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery

  • Drops desktop.ini file(s)

  • Enumerates connected drives

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

  • Suspicious use of SetThreadContext

  behavioral1behavioral2