Resubmissions

09-07-2024 18:56

240709-xltjmazbqn 9

09-07-2024 16:59

240709-vhlcqstgpm 9

09-07-2024 14:31

240709-rvwsfsybnk 8

General

  • Target

    MWIII_IRIS_AIO_V3.5.exe

  • Size

    10.9MB

  • Sample

    240709-vhlcqstgpm

  • MD5

    dc43693ef7c1e53d46b0da91191597db

  • SHA1

    aef31787fe96864a8ae38793d4974fc254cddf50

  • SHA256

    be6c7b0c87bdb9426bbbab27b7574d3bcd435126b8130bbd2c2ce516e077e4e8

  • SHA512

    d5190aa5c30e941908560709917ea59dc6400f4ba1bbf2aa15c4abaa08d62cc1f7aa4cd154dbea9c537ddc513005ec1b25146a2d7b8951da14cac2542861fb26

  • SSDEEP

    196608:Or9iC3AAslutR6k0SxVCypmKEqEOdoFldQ+6XVizae1haPXM3dkIftIia9tkfc:+9ikAAsUvl0aH2qbdoLPae1hIc3TtIiu

Malware Config

Targets

    • Target

      MWIII_IRIS_AIO_V3.5.exe

    • Size

      10.9MB

    • MD5

      dc43693ef7c1e53d46b0da91191597db

    • SHA1

      aef31787fe96864a8ae38793d4974fc254cddf50

    • SHA256

      be6c7b0c87bdb9426bbbab27b7574d3bcd435126b8130bbd2c2ce516e077e4e8

    • SHA512

      d5190aa5c30e941908560709917ea59dc6400f4ba1bbf2aa15c4abaa08d62cc1f7aa4cd154dbea9c537ddc513005ec1b25146a2d7b8951da14cac2542861fb26

    • SSDEEP

      196608:Or9iC3AAslutR6k0SxVCypmKEqEOdoFldQ+6XVizae1haPXM3dkIftIia9tkfc:+9ikAAsUvl0aH2qbdoLPae1hIc3TtIiu

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Stops running service(s)

    • 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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks for any installed AV software in registry

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • Power Settings

      powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

    • Writes to the Master Boot Record (MBR)

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

    • Checks system information in the registry

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

    • Drops file in System32 directory

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks