General

  • Target

    discord.png.exe

  • Size

    225KB

  • Sample

    240902-t64njstgjp

  • MD5

    44041b93332122228c15d8fd2fdc826d

  • SHA1

    47069ad7151444f7412036952272405000d0e3f9

  • SHA256

    9c71bd0581840574d1ea5919284bbb89e6e19f883bf8ffc4b50c03aea223067e

  • SHA512

    e109c3d7fbd6fc892ae28fe66092dcf5723de577eefb6a363cd571e422b7ce23e54b4f2ba1988b792f7abc8cac83981b1311f16b2a8c7f95081d654c03ce1f7f

  • SSDEEP

    3072:WeEDoF+/dwv+J5evFqmHNNhmqOOR81MK1vHM/2M:WoFzvGeNqcNNs9L1vHM/

Malware Config

Extracted

Family

umbral

C2

https://discord.com/api/webhooks/1279958073611653151/sgCCzoTAUY2GdBiQCHyal38EkTL7KHY4qK_JXgYBYU5QznfI7jIvFFaW3IHI9Y8dsDm8

Targets

    • Target

      discord.png.exe

    • Size

      225KB

    • MD5

      44041b93332122228c15d8fd2fdc826d

    • SHA1

      47069ad7151444f7412036952272405000d0e3f9

    • SHA256

      9c71bd0581840574d1ea5919284bbb89e6e19f883bf8ffc4b50c03aea223067e

    • SHA512

      e109c3d7fbd6fc892ae28fe66092dcf5723de577eefb6a363cd571e422b7ce23e54b4f2ba1988b792f7abc8cac83981b1311f16b2a8c7f95081d654c03ce1f7f

    • SSDEEP

      3072:WeEDoF+/dwv+J5evFqmHNNhmqOOR81MK1vHM/2M:WoFzvGeNqcNNs9L1vHM/

    • Detect Umbral payload

    • Umbral

      Umbral stealer is an opensource moduler stealer written in C#.

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

MITRE ATT&CK Enterprise v15

Tasks