General

  • Target

    rhfinal.exe

  • Size

    307KB

  • Sample

    230112-fqd63aba8t

  • MD5

    32ad696ddbb245210e041fac7a0b805f

  • SHA1

    f6847a97a3139a1d11a4a29ccdc91c61e7d473bd

  • SHA256

    cbc57ef2acb08283ea450ecc433dfb1db30b418828392e22b0670fb47b6d4bd3

  • SHA512

    e2ada8d51b9bbe28fa6130b881bbfbb8d3318daf90a6f7be6de79a818b1448a2530b00d9d7faeef47b4c75112a70363f210cbed47a9bdc33b3ae7360c4b34481

  • SSDEEP

    6144:K8y+bnr+op0yN90QEcIxUrwu5k0NH3Z/856UbYec:sMrgy90Orwu5vJ/UhYec

Malware Config

Targets

    • Target

      rhfinal.exe

    • Size

      307KB

    • MD5

      32ad696ddbb245210e041fac7a0b805f

    • SHA1

      f6847a97a3139a1d11a4a29ccdc91c61e7d473bd

    • SHA256

      cbc57ef2acb08283ea450ecc433dfb1db30b418828392e22b0670fb47b6d4bd3

    • SHA512

      e2ada8d51b9bbe28fa6130b881bbfbb8d3318daf90a6f7be6de79a818b1448a2530b00d9d7faeef47b4c75112a70363f210cbed47a9bdc33b3ae7360c4b34481

    • SSDEEP

      6144:K8y+bnr+op0yN90QEcIxUrwu5k0NH3Z/856UbYec:sMrgy90Orwu5vJ/UhYec

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • xmrig

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

    • XMRig Miner payload

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • UPX packed file

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

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks