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General

  • Target

    93ee149a8f5066e8547d306a306dcf25a145ced96466882dec36af362ca05e8c

  • Size

    229KB

  • Sample

    250124-ffjc2a1rfq

  • MD5

    9b2b8035bbaf9833d6e847234ee5023e

  • SHA1

    6ec9dad5457a128c8efdf78aba65ea587ed9af0e

  • SHA256

    93ee149a8f5066e8547d306a306dcf25a145ced96466882dec36af362ca05e8c

  • SHA512

    e54fdf9a2f86abf67db4cadefd77f89b08753f8c6a6fc6856975e9dcad9f0fa58e33c6bb763536ff5c663befc3ac6b241bfd3ce48c33ebd659b96a9c470fbde5

  • SSDEEP

    6144:tloZM+rIkd8g+EtXHkv/iD4XkeKxfEY3Zmfh8ItBNb8e1mv0i:voZ1L+EP8XkeKxfEY3Zmfh8It3S

Malware Config

Extracted

Family

umbral

C2

https://discord.com/api/webhooks/1326669089476706396/l-yx0lWXj8QbB9ihEvCHFp14wiJQQBpxmsTtuFf1EyjY71pAMqBEETcBWgs47CofK0Vv

Targets

    • Target

      93ee149a8f5066e8547d306a306dcf25a145ced96466882dec36af362ca05e8c

    • Size

      229KB

    • MD5

      9b2b8035bbaf9833d6e847234ee5023e

    • SHA1

      6ec9dad5457a128c8efdf78aba65ea587ed9af0e

    • SHA256

      93ee149a8f5066e8547d306a306dcf25a145ced96466882dec36af362ca05e8c

    • SHA512

      e54fdf9a2f86abf67db4cadefd77f89b08753f8c6a6fc6856975e9dcad9f0fa58e33c6bb763536ff5c663befc3ac6b241bfd3ce48c33ebd659b96a9c470fbde5

    • SSDEEP

      6144:tloZM+rIkd8g+EtXHkv/iD4XkeKxfEY3Zmfh8ItBNb8e1mv0i:voZ1L+EP8XkeKxfEY3Zmfh8It3S

    • Detect Umbral payload

    • Umbral

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

    • Umbral family

    • Command and Scripting Interpreter: PowerShell

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

    • Deletes itself

    • 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