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Resubmissions

26/05/2024, 13:25

240526-qpe23sgb4x 1

26/05/2024, 13:23

240526-qm5vqagh54 1

26/05/2024, 08:52

240526-ksw7wadf82 8

26/05/2024, 08:49

240526-kqz6radf38 1

General

  • Target

    chromerdinstaller.bat

  • Size

    1KB

  • Sample

    240526-ksw7wadf82

  • MD5

    4cdb314a8eaa2fd2fe024ba348aeca35

  • SHA1

    d385de37388d244fd34279cf5d30fdcbaed102e5

  • SHA256

    55636b7c1c8ab30537fb6c17d96c0a334b05f76e8fa0f1a0cc3a55616502ac54

  • SHA512

    271856973238781148cc9fe116a59ea5e4a129e60baf535fac53dd1a14ebd0b7637df9a2f14edfd93725f548a1e6bdda78e81e4a66460b97c69fa13d4d5040c9

Malware Config

Targets

    • Target

      chromerdinstaller.bat

    • Size

      1KB

    • MD5

      4cdb314a8eaa2fd2fe024ba348aeca35

    • SHA1

      d385de37388d244fd34279cf5d30fdcbaed102e5

    • SHA256

      55636b7c1c8ab30537fb6c17d96c0a334b05f76e8fa0f1a0cc3a55616502ac54

    • SHA512

      271856973238781148cc9fe116a59ea5e4a129e60baf535fac53dd1a14ebd0b7637df9a2f14edfd93725f548a1e6bdda78e81e4a66460b97c69fa13d4d5040c9

    • Modifies Installed Components in the registry

    • 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.

    • Registers COM server for autorun

    • Checks installed software on the system

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

    • Checks whether UAC is enabled

    • Enumerates connected drives

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

    • Checks system information in the registry

      System information is often read in order to detect sandboxing environments.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks