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Resubmissions

19/07/2024, 19:26

240719-x5x16awdjp 10

19/07/2024, 19:22

240719-x3gamawcjq 8

19/07/2024, 19:19

240719-x1lsbszapb 8

19/07/2024, 19:16

240719-xyvx8azajf 7

General

  • Target

    zeta-updater-1.0.1.exe

  • Size

    3.1MB

  • Sample

    240719-x5x16awdjp

  • MD5

    b10ed91a7fe5a422d9c2f9aff5696a19

  • SHA1

    c83105f812109e5f6a26564c197f49d61b2ef403

  • SHA256

    94c0a829b34030f4b279c794962627eb422cd3ce3f969eb8ca330ca0c9f82635

  • SHA512

    fc0d5149ce62ba67755732e5a0004a158bb36ec4e166fcbd734a89c9bde855e71ccf06ee5c7ff9df0834397178c90b9da40769b0275ea487d41c8201f7007c25

  • SSDEEP

    49152:5wSHmvR05JIoEe/avRAvUP5v8R3Lkvrd2o8FEOrJUjnjv/kFE2fSAeFa5J9dxSFw:bOAvsU0D/IE5AeFWxxSFw

Malware Config

Targets

    • Target

      zeta-updater-1.0.1.exe

    • Size

      3.1MB

    • MD5

      b10ed91a7fe5a422d9c2f9aff5696a19

    • SHA1

      c83105f812109e5f6a26564c197f49d61b2ef403

    • SHA256

      94c0a829b34030f4b279c794962627eb422cd3ce3f969eb8ca330ca0c9f82635

    • SHA512

      fc0d5149ce62ba67755732e5a0004a158bb36ec4e166fcbd734a89c9bde855e71ccf06ee5c7ff9df0834397178c90b9da40769b0275ea487d41c8201f7007c25

    • SSDEEP

      49152:5wSHmvR05JIoEe/avRAvUP5v8R3Lkvrd2o8FEOrJUjnjv/kFE2fSAeFa5J9dxSFw:bOAvsU0D/IE5AeFWxxSFw

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies RDP port number used by Windows

    • Sets service image path in registry

    • 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.

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Impair Defenses: Safe Mode Boot

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Checks installed software on the system

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

    • Enumerates connected drives

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

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks