General

  • Target

    7b88ef323bf1a7ac2a1e47f7a48c6170

  • Size

    515KB

  • Sample

    231226-tlxz9safe7

  • MD5

    7b88ef323bf1a7ac2a1e47f7a48c6170

  • SHA1

    bbdc35f615a1b21a25082b39010e5b00f58286ad

  • SHA256

    40e36713f322935b08d7dd837e58b77ae18c969b2dde1784ecff64b1f1e511e1

  • SHA512

    1e339c959f4bfe933d27db6198bba05748bc1546d6144c79e9ef3250b0dacf098ccce2cc890d038024698fe23b54cbc0e7a6286cda9327749f8093204f96617b

  • SSDEEP

    1536:7ws+Dd8oVCTSzQHhn0lIF2rX2OKvQ4m6OXHGvA3D0FsBRyBYOKG0Ph:8ZCoaSzQB0iiaSvTyCRy+4

Malware Config

Targets

    • Target

      7b88ef323bf1a7ac2a1e47f7a48c6170

    • Size

      515KB

    • MD5

      7b88ef323bf1a7ac2a1e47f7a48c6170

    • SHA1

      bbdc35f615a1b21a25082b39010e5b00f58286ad

    • SHA256

      40e36713f322935b08d7dd837e58b77ae18c969b2dde1784ecff64b1f1e511e1

    • SHA512

      1e339c959f4bfe933d27db6198bba05748bc1546d6144c79e9ef3250b0dacf098ccce2cc890d038024698fe23b54cbc0e7a6286cda9327749f8093204f96617b

    • SSDEEP

      1536:7ws+Dd8oVCTSzQHhn0lIF2rX2OKvQ4m6OXHGvA3D0FsBRyBYOKG0Ph:8ZCoaSzQB0iiaSvTyCRy+4

    • 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

    • Sets file execution options in registry

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • UPX packed file

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

    • Windows security modification

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks