General

  • Target

    b55c26b1268bfc47d21e2dfffa617eceaa29fb525b6bf630cc6338db1ef7e89b

  • Size

    124KB

  • Sample

    221203-r6r9eaab36

  • MD5

    d19b993abac2d7786f69904379c13ef7

  • SHA1

    890889d6b5488258df893179b65fd739c573d5b2

  • SHA256

    b55c26b1268bfc47d21e2dfffa617eceaa29fb525b6bf630cc6338db1ef7e89b

  • SHA512

    56cb670f30f1ee4b8790597a7067c1c14f9455ff075c1dbcbb1a86763776637bd530772429ae357ec9bb76add1524a76369d5c7a028499609851d567e353d8c9

  • SSDEEP

    1536:GCxE8JHTdoQkO6xvJXzT0YpMgbQoToPQTiwHz7pj5omc4JyBMA6okrAbMftGG/2S:GuxBoJOMXzAMrTuw8aMBeokr4ja2P8I

Malware Config

Targets

    • Target

      b55c26b1268bfc47d21e2dfffa617eceaa29fb525b6bf630cc6338db1ef7e89b

    • Size

      124KB

    • MD5

      d19b993abac2d7786f69904379c13ef7

    • SHA1

      890889d6b5488258df893179b65fd739c573d5b2

    • SHA256

      b55c26b1268bfc47d21e2dfffa617eceaa29fb525b6bf630cc6338db1ef7e89b

    • SHA512

      56cb670f30f1ee4b8790597a7067c1c14f9455ff075c1dbcbb1a86763776637bd530772429ae357ec9bb76add1524a76369d5c7a028499609851d567e353d8c9

    • SSDEEP

      1536:GCxE8JHTdoQkO6xvJXzT0YpMgbQoToPQTiwHz7pj5omc4JyBMA6okrAbMftGG/2S:GuxBoJOMXzAMrTuw8aMBeokr4ja2P8I

    • Modifies firewall policy service

    • Modifies security service

    • Modifies visibility of file extensions in Explorer

    • Modifies visiblity of hidden/system files in Explorer

    • UAC bypass

    • Windows security bypass

    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Sets file execution options in registry

    • 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.

    • Drops startup file

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Windows security modification

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks