General

  • Target

    ExeFile (206).exe

  • Size

    11.9MB

  • Sample

    240820-rhbxhszdnl

  • MD5

    387139f87dc3b8dd527bf15b64abd197

  • SHA1

    65e227af49ed8a2015e9e9723507e261c9187e23

  • SHA256

    39e6a32ee280960f6e4e2d4e38fb25e96ae8f5bd163bafb8ffeab87e2216e639

  • SHA512

    3a9ba9a823f21f5d7620698ae6c96ff32c6646110a8fa1c652c3e1e39e59f58904244d65e5f9cd5da6e408f7515f9db62b2f13c16a8e54489fc88e0780c70ade

  • SSDEEP

    196608:GCKv7RIWTxeDn55W47M0X30MiDdavptV4KYi8ybgXTal7IEbPujUJC/Ea:FcR9Tw5JMs01DgvialcEbPuj4C8a

Malware Config

Targets

    • Target

      ExeFile (206).exe

    • Size

      11.9MB

    • MD5

      387139f87dc3b8dd527bf15b64abd197

    • SHA1

      65e227af49ed8a2015e9e9723507e261c9187e23

    • SHA256

      39e6a32ee280960f6e4e2d4e38fb25e96ae8f5bd163bafb8ffeab87e2216e639

    • SHA512

      3a9ba9a823f21f5d7620698ae6c96ff32c6646110a8fa1c652c3e1e39e59f58904244d65e5f9cd5da6e408f7515f9db62b2f13c16a8e54489fc88e0780c70ade

    • SSDEEP

      196608:GCKv7RIWTxeDn55W47M0X30MiDdavptV4KYi8ybgXTal7IEbPujUJC/Ea:FcR9Tw5JMs01DgvialcEbPuj4C8a

    • Modifies Windows Defender Real-time Protection settings

    • Modifies visiblity of hidden/system files in Explorer

    • RMS

      Remote Manipulator System (RMS) is a remote access tool developed by Russian organization TektonIT.

    • UAC bypass

    • Windows security bypass

    • XMRig Miner payload

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Grants admin privileges

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

    • Remote Service Session Hijacking: RDP Hijacking

      Adversaries may hijack a legitimate user's remote desktop session to move laterally within an environment.

    • Blocks application from running via registry modification

      Adds application to list of disallowed applications.

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Server Software Component: Terminal Services DLL

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • Stops running service(s)

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • UPX packed file

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

    • Adds Run key to start application

    • Indicator Removal: Clear Persistence

      Clear artifacts associated with previously established persistence like scheduletasks on a host.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Modifies WinLogon

    • Password Policy Discovery

      Attempt to access detailed information about the password policy used within an enterprise network.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

    • Hide Artifacts: Hidden Users

MITRE ATT&CK Enterprise v15

Tasks