General

  • Target

    86ebf235b73a391607b045f1a61a1a1e_JaffaCakes118

  • Size

    3.3MB

  • Sample

    240810-vms85sshrg

  • MD5

    86ebf235b73a391607b045f1a61a1a1e

  • SHA1

    637599080b2f076c4964099ee161cecaa7bf5354

  • SHA256

    fdd87bb4645c8f10d3fdacf08df0a75356e4cc3e8f688285f29ef31ebe829325

  • SHA512

    a4fe69d90af2238a72a94510e8aa99ba55a38f842877ce3737a5450bc93236a05b6f1e8401ec96ea80b076015461050af201505d3117c57c9d9e247d19cf31eb

  • SSDEEP

    49152:QAJYCvJvLR9Zn8tIGRH3pLsDzTMbp8TbyGPkGzki0l+ROOROhRpFSS21MzvKua:7JYCvv9ZfG3YDzTt9cGzki2adRU+tWs

Malware Config

Targets

    • Target

      86ebf235b73a391607b045f1a61a1a1e_JaffaCakes118

    • Size

      3.3MB

    • MD5

      86ebf235b73a391607b045f1a61a1a1e

    • SHA1

      637599080b2f076c4964099ee161cecaa7bf5354

    • SHA256

      fdd87bb4645c8f10d3fdacf08df0a75356e4cc3e8f688285f29ef31ebe829325

    • SHA512

      a4fe69d90af2238a72a94510e8aa99ba55a38f842877ce3737a5450bc93236a05b6f1e8401ec96ea80b076015461050af201505d3117c57c9d9e247d19cf31eb

    • SSDEEP

      49152:QAJYCvJvLR9Zn8tIGRH3pLsDzTMbp8TbyGPkGzki0l+ROOROhRpFSS21MzvKua:7JYCvv9ZfG3YDzTt9cGzki2adRU+tWs

    • Disables service(s)

    • RMS

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

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Indicator Removal: Network Share Connection Removal

      Adversaries may remove share connections that are no longer useful in order to clean up traces of their operation.

    • Modifies Windows Firewall

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook accounts

    • Accesses Microsoft Outlook profiles

    • Checks installed software on the system

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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks