General

  • Target

    Sigmanly_d5a65120f20127efbbc8efb5d1a731eb69eff1a4e198b8836458362a0cead1b3

  • Size

    54KB

  • Sample

    250515-pvdwjagl8t

  • MD5

    b77038e035bc7f405000fa96d7bdb409

  • SHA1

    f1dabc01bd8624fc3657c46d06ffa86f50027693

  • SHA256

    d5a65120f20127efbbc8efb5d1a731eb69eff1a4e198b8836458362a0cead1b3

  • SHA512

    d607036fbda240e80a41d7afc8eca17d0fd3b1bfc327ecd1cffce719ed089e2814840b2313b0577a0ea4ca75976f238a91a16c16164df13e32c473789a62c6f7

  • SSDEEP

    1536:H7TJopblB4dqyyUiZ06pX3I6/qxiSEGNJFVD:H7TQlatyYePxiFVD

Malware Config

Targets

    • Target

      Sigmanly_d5a65120f20127efbbc8efb5d1a731eb69eff1a4e198b8836458362a0cead1b3

    • Size

      54KB

    • MD5

      b77038e035bc7f405000fa96d7bdb409

    • SHA1

      f1dabc01bd8624fc3657c46d06ffa86f50027693

    • SHA256

      d5a65120f20127efbbc8efb5d1a731eb69eff1a4e198b8836458362a0cead1b3

    • SHA512

      d607036fbda240e80a41d7afc8eca17d0fd3b1bfc327ecd1cffce719ed089e2814840b2313b0577a0ea4ca75976f238a91a16c16164df13e32c473789a62c6f7

    • SSDEEP

      1536:H7TJopblB4dqyyUiZ06pX3I6/qxiSEGNJFVD:H7TQlatyYePxiFVD

    • Modifies WinLogon for persistence

    • Modifies visibility of file extensions in Explorer

    • Modifies visiblity of hidden/system files in Explorer

    • Disables RegEdit via registry modification

    • Disables use of System Restore points

    • Drops file in Drivers directory

    • Event Triggered Execution: Image File Execution Options Injection

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v16

Tasks