Resubmissions

06/01/2023, 00:10

230106-aggmyahc8s 1

03/09/2022, 22:14

220903-1527nagdf3 10

General

  • Target

    HorionInjector.exe

  • Size

    147KB

  • Sample

    220903-1527nagdf3

  • MD5

    6b5b6e625de774e5c285712b7c4a0da7

  • SHA1

    317099aef530afbe3a0c5d6a2743d51e04805267

  • SHA256

    2d79af8e1ff3465703e1dc73d3ef2182fd269ea2609c8afabdf1b80693405c1d

  • SHA512

    104609adf666588af4e152ec7891cedafd89ad8d427063d03fb42a228babefc59428b0c8b1430cb3fc319a5014d2ee1083ff2b74fa585cab2d86cdad346e8b08

  • SSDEEP

    3072:ckgHqUGSCoEslON/q178+oO3BAE4T/DvueX:cNHqUGSCPBh+7VST/Ke

Malware Config

Targets

    • Target

      HorionInjector.exe

    • Size

      147KB

    • MD5

      6b5b6e625de774e5c285712b7c4a0da7

    • SHA1

      317099aef530afbe3a0c5d6a2743d51e04805267

    • SHA256

      2d79af8e1ff3465703e1dc73d3ef2182fd269ea2609c8afabdf1b80693405c1d

    • SHA512

      104609adf666588af4e152ec7891cedafd89ad8d427063d03fb42a228babefc59428b0c8b1430cb3fc319a5014d2ee1083ff2b74fa585cab2d86cdad346e8b08

    • SSDEEP

      3072:ckgHqUGSCoEslON/q178+oO3BAE4T/DvueX:cNHqUGSCPBh+7VST/Ke

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Registers COM server for autorun

    • Sets service image path in registry

    • Checks BIOS information in registry

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

    • 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.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v6

Tasks