Resubmissions

30/04/2024, 10:29

240430-mjb7fshh7410

26/04/2024, 02:29

240426-cytpyahd2310

26/04/2024, 02:23

240426-cvm3zshc8210

25/04/2024, 03:51

240425-eekn2aeg3910

General

  • Target
    Document.zip
  • Size 102KB
  • Sample240425-eekn2aeg39
  • SHA256 0c52f70b4c340274208310ef1c9c09eee3124fb58063aee0c010a9645e417650
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      Document.doc.scr
    • Size 194KB
    • SHA256 062683257386c9e41a1cd1493f029d817445c37f7c65386d54122fa466419ce1
    • MD5 SHA1 SHA512 SSDEEP
    • Renames multiple (324) 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