General

  • Target

    Start10ThemeEdit.zip

  • Size

    18.8MB

  • Sample

    250223-sprf8aslcq

  • MD5

    cf10c8709428174183af1be4d2a63cea

  • SHA1

    377a0205815eaa58b14f120de9bb0f065e505f23

  • SHA256

    07ad80ce87f2db34c10bc924702cc631834106d7ba5c2076a35c1ae933e09591

  • SHA512

    e99c5033d78d31e2f06cb32d41b4cfbef54590fde82409096ba929b1699d686c75e8bf4f26e3e3495f35b95e4f07f8d59edb41b861c0059bec3018e5145a3b0d

  • SSDEEP

    393216:k4WO3jY54Civs5nBOBE/rwQIkPsfXNPHEkgCKdzCbqvDLuj4N:k4WEY54CEsfwEwQe/NvnnKdRXN

Malware Config

Targets

    • Target

      Start10ThemeEdit.exe

    • Size

      660.7MB

    • MD5

      c12dfa79c1d3ca0a3c3ed007a4f25564

    • SHA1

      5fc6404fb8d78be78d76272b3c3c869f90198792

    • SHA256

      94e8892bd96427806b523b9fe551bc639297aeb58267c58c4cb7980b36a517a5

    • SHA512

      5fe1dda86201129915b0569e2793a7f17c4fbe7d0fc881f7a0e4390608ec6dd4369addb243ebc5c29011e1df72218f79cbd42aa53f896fb0958e572f4494d345

    • SSDEEP

      393216:fkcbf0j8aPknFM7mqF6WEuDLEXgqqIv1MCNrrPgLX3wRHyN6:scj0PPknFymqXE8gXKkJrPgL6SE

    • Detect Vidar Stealer

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Downloads MZ/PE file

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

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

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

MITRE ATT&CK Enterprise v15

Tasks