Resubmissions

20-12-2024 21:06

241220-zxvl6stpcv 3

15-12-2024 03:29

241215-d2ekvssngx 4

15-12-2024 03:28

241215-d1lb1ssnft 4

06-12-2024 20:12

241206-yy9baavnft 4

06-12-2024 20:12

241206-yyyjsavnd1 3

06-12-2024 20:02

241206-ysa7asvkfv 8

06-12-2024 20:02

241206-yr3vxs1kbr 3

06-12-2024 19:59

241206-yqe3gavjft 4

06-12-2024 19:58

241206-yp89xs1jdk 3

General

  • Target

    ubuntu2404-amd64-20240523-uk.ps1

  • Size

    1B

  • Sample

    241206-ysa7asvkfv

  • MD5

    f1290186a5d0b1ceab27f4e77c0c5d68

  • SHA1

    aff024fe4ab0fece4091de044c58c9ae4233383a

  • SHA256

    50e721e49c013f00c62cf59f2163542a9d8df02464efeb615d31051b0fddc326

  • SHA512

    aa66509891ad28030349ba9581e8c92528faab6a34349061a44b6f8fcd8d6877a67b05508983f12f8610302d1783401a07ec41c7e9ebd656de34ec60d84d9511

Malware Config

Targets

    • Target

      ubuntu2404-amd64-20240523-uk.ps1

    • Size

      1B

    • MD5

      f1290186a5d0b1ceab27f4e77c0c5d68

    • SHA1

      aff024fe4ab0fece4091de044c58c9ae4233383a

    • SHA256

      50e721e49c013f00c62cf59f2163542a9d8df02464efeb615d31051b0fddc326

    • SHA512

      aa66509891ad28030349ba9581e8c92528faab6a34349061a44b6f8fcd8d6877a67b05508983f12f8610302d1783401a07ec41c7e9ebd656de34ec60d84d9511

    • Downloads MZ/PE file

    • Event Triggered Execution: Image File Execution Options Injection

    • A potential corporate email address has been identified in the URL: [email protected]

    • 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

    • Loads dropped DLL

    • 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

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Network Service Discovery

      Attempt to gather information on host's network.

    • Network Share Discovery

      Attempt to gather information on host network.

    • Checks system information in the registry

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

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks