Resubmissions

08-12-2024 11:26

241208-njzhesskcy 6

09-11-2024 16:51

241109-vc24as1lgj 10

General

  • Target

    1101.mp4

  • Size

    94.1MB

  • Sample

    241109-vc24as1lgj

  • MD5

    85d336d15357f8959cd9ae5625d2bede

  • SHA1

    6fbb5b9c69dceacd9bb14b88c446d7582b89da25

  • SHA256

    7b74a2825e4352648153af617a569148e5f1622b545ca0687294cc495e4e608d

  • SHA512

    93d635eded48c0687ef6e599d3aa6c47ad534b272fcf3f8b5bd3a9e77895a351b170ecc73501b2efd100002c881b050d45aa239a22ad6294c6f34d01a4536e5d

  • SSDEEP

    1572864:jUmwT45vSpJqY9FWAwK/Wf28BxV496iaFNCSXHgTVl9iweVkh7J+je0DfIspWkuL:9wT9/9nrKy6iaqIA5izDwspWks

Malware Config

Targets

    • Target

      1101.mp4

    • Size

      94.1MB

    • MD5

      85d336d15357f8959cd9ae5625d2bede

    • SHA1

      6fbb5b9c69dceacd9bb14b88c446d7582b89da25

    • SHA256

      7b74a2825e4352648153af617a569148e5f1622b545ca0687294cc495e4e608d

    • SHA512

      93d635eded48c0687ef6e599d3aa6c47ad534b272fcf3f8b5bd3a9e77895a351b170ecc73501b2efd100002c881b050d45aa239a22ad6294c6f34d01a4536e5d

    • SSDEEP

      1572864:jUmwT45vSpJqY9FWAwK/Wf28BxV496iaFNCSXHgTVl9iweVkh7J+je0DfIspWkuL:9wT9/9nrKy6iaqIA5izDwspWks

    • Modifies WinLogon for persistence

    • UAC bypass

    • Zloader family

    • Zloader, Terdot, DELoader, ZeusSphinx

      Zloader is a malware strain that was initially discovered back in August 2015.

    • Contacts a large (879) amount of remote hosts

      This may indicate a network scan to discover remotely running services.

    • Disables RegEdit via registry modification

    • Downloads MZ/PE file

    • Event Triggered Execution: Image File Execution Options Injection

    • Modifies Windows Firewall

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • A potential corporate email address has been identified in the URL: 0E920C0F53DA9E9B0A490D45@AdobeOrg

    • 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

    • Modifies system executable filetype association

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • 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

    • Creates a large amount of network flows

      This may indicate a network scan to discover remotely running services.

    • Drops desktop.ini file(s)

    • 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

    • Mark of the Web detected: This indicates that the page was originally saved or cloned.

    • Checks system information in the registry

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

    • Detected potential entity reuse from brand STEAM.

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks