General

  • Target

    c91c1d9c9e737dexeexeexeex.exe

  • Size

    8.3MB

  • Sample

    230710-r3686abc79

  • MD5

    c91c1d9c9e737dfa95fc82caae4d61e1

  • SHA1

    6def337e487a02ffbddbd3e2b78ed7318d34f85a

  • SHA256

    27e89445354bd5cdb47546d420980d3c486c5026981b3442ab3484f9b031b77a

  • SHA512

    7794eea49df6f61516abbca698b6750a7b5f44ddcba21fa8f7206b87ab43992eb6c1f5b7b4f22314e0677d824fcf76bd34424cb42ca656d363d6862eea896668

  • SSDEEP

    196608:ylTPemknGzwHdOgEPHd9BYX/nivPlTXTYP:a3jz0E52/iv1

Malware Config

Targets

    • Target

      c91c1d9c9e737dexeexeexeex.exe

    • Size

      8.3MB

    • MD5

      c91c1d9c9e737dfa95fc82caae4d61e1

    • SHA1

      6def337e487a02ffbddbd3e2b78ed7318d34f85a

    • SHA256

      27e89445354bd5cdb47546d420980d3c486c5026981b3442ab3484f9b031b77a

    • SHA512

      7794eea49df6f61516abbca698b6750a7b5f44ddcba21fa8f7206b87ab43992eb6c1f5b7b4f22314e0677d824fcf76bd34424cb42ca656d363d6862eea896668

    • SSDEEP

      196608:ylTPemknGzwHdOgEPHd9BYX/nivPlTXTYP:a3jz0E52/iv1

    • Mimikatz

      mimikatz is an open source tool to dump credentials on Windows.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • xmrig

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

    • Contacts a large (51998) amount of remote hosts

      This may indicate a network scan to discover remotely running services.

    • Creates a large amount of network flows

      This may indicate a network scan to discover remotely running services.

    • XMRig Miner payload

    • mimikatz is an open source tool to dump credentials on Windows

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Sets file execution options in registry

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

    • Checks installed software on the system

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

    • Looks up external IP address via web service

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

    • Creates a Windows Service

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v6

Tasks