Extracted

• • Target

    wzcsapi32.exe

  • Size

    145KB

  • MD5

    c7e64d8e67fe34c0a61422e2a613e481

  • SHA1

    ad51f58b2fbc8f0d911d1e065cb9c5431c4f3ab7

  • SHA256

    23e94cfcb91cceb17c610e0b8c1591f4d3a3eebffbe8b396a6d24f3a19885f9e

  • SHA512

    14b521b6aa6a9b12ff04f505030324f2f7ad8888867f91aea5f479a0b9b4510ddbc30c8a3f4aafbf48d7648b3523057f2933dd11cbe4915c871988a1889d3f1d

  • SSDEEP

    3072:XrRyKq4c+SrwKZkebDUj9LPKDFKz2K49y9kTBshGX3L9:Ve4cTwMkHj9DK849y9kmcX

  Score

  10^/10

  xwormrattrojanbootkitpersistence

  • Detect Xworm Payload

  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm

  • Sets service image path in registry

    persistence

  • Checks BIOS information in registry

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

  • Checks computer location settings

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

  • Executes dropped EXE

  • Loads dropped DLL

  • Enumerates connected drives

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

  • Writes to the Master Boot Record (MBR)

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence

  • Drops file in System32 directory

  behavioral1behavioral2