General

  • Target

    Document.doc.scr.exe

  • Size

    194KB

  • Sample

    240425-dqq5hsee4w

  • MD5

    50e5dec57451005668704281688ca55d

  • SHA1

    67dd4ac7eb8c193b39149b34d3a0d5bc21c3f200

  • SHA256

    062683257386c9e41a1cd1493f029d817445c37f7c65386d54122fa466419ce1

  • SHA512

    29ca4a44795c71d3e2b4e3417355ebb93765157d464d6d5a3fe6774056d934d57081c72001fb29e47982da11e5a5ccfdbcc958d05a11fb49bd8bf84e6d0c61ad

  • SSDEEP

    3072:66glyuxE4GsUPnliByocWepRGbVZqid91h2ys+tU:66gDBGpvEByocWeubV4inP9B

Malware Config

Targets

    • Target

      Document.doc.scr.exe

    • Size

      194KB

    • MD5

      50e5dec57451005668704281688ca55d

    • SHA1

      67dd4ac7eb8c193b39149b34d3a0d5bc21c3f200

    • SHA256

      062683257386c9e41a1cd1493f029d817445c37f7c65386d54122fa466419ce1

    • SHA512

      29ca4a44795c71d3e2b4e3417355ebb93765157d464d6d5a3fe6774056d934d57081c72001fb29e47982da11e5a5ccfdbcc958d05a11fb49bd8bf84e6d0c61ad

    • SSDEEP

      3072:66glyuxE4GsUPnliByocWepRGbVZqid91h2ys+tU:66gDBGpvEByocWeubV4inP9B

    • Renames multiple (287) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Checks computer location settings

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

    • Deletes itself

    • 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.

    • Drops desktop.ini file(s)

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks