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General

  • Target

    NA_NA_275bb9306741d4exeexe_JC.exe

  • Size

    14.6MB

  • Sample

    230723-xl2v1age2v

  • MD5

    275bb9306741d4bca394ea81eed04003

  • SHA1

    105e0706bf888c1f5df54e57f7244e968562a1f4

  • SHA256

    88dffec2c2eafe7a0856177805412070a3924bc9a706328456488ebb7c8e29f2

  • SHA512

    da68be5386afac0edd40ac74588a47b7963713841584c3ece4d2db2919b71d2cdb9ba7e617e60f2d01133c6635be56842e08d9d1f673037df25fcffcfe1e6ca0

  • SSDEEP

    98304:YmBtyYXmknGzZr+HdO5SEPFtmOZ9G1Md5v/nZVnivsAl0eXTBJYa5roSCaa:I6mknGzwHdOgEPHd9BbX/nivPlTXTYr

Malware Config

Targets

    • Target

      NA_NA_275bb9306741d4exeexe_JC.exe

    • Size

      14.6MB

    • MD5

      275bb9306741d4bca394ea81eed04003

    • SHA1

      105e0706bf888c1f5df54e57f7244e968562a1f4

    • SHA256

      88dffec2c2eafe7a0856177805412070a3924bc9a706328456488ebb7c8e29f2

    • SHA512

      da68be5386afac0edd40ac74588a47b7963713841584c3ece4d2db2919b71d2cdb9ba7e617e60f2d01133c6635be56842e08d9d1f673037df25fcffcfe1e6ca0

    • SSDEEP

      98304:YmBtyYXmknGzZr+HdO5SEPFtmOZ9G1Md5v/nZVnivsAl0eXTBJYa5roSCaa:I6mknGzwHdOgEPHd9BbX/nivPlTXTYr

    • 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 (33925) amount of remote hosts

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

    • Contacts a large (42874) 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 v15

Tasks