General

  • Target

    Tiktokbot.rar

  • Size

    210KB

  • Sample

    241229-v2ygeavnbl

  • MD5

    902e0907f262eee95a11714d8376f36b

  • SHA1

    1850150b08f1b6d502e36740f0fbc7974341061d

  • SHA256

    195b749f6f3a16286bbe3670ba44433127072d3597a2bd213fc236b0cd04aa3c

  • SHA512

    78e431d12fd41713249e7c59b28af9f76c5c3c2ec97fbcac8bfe66f866aafb9196dca70e69e11dfddd0134c57c42e6980341ab0d5a7a5eb2a1b2ed5fea5570e9

  • SSDEEP

    6144:jf6k84LfIAc1FugPNk/NXj34vmQnNqn+Np4sP1NJ:rfLfIBZNk/NT3smQNqyp4sx

Malware Config

Extracted

Family

umbral

C2

https://discord.com/api/webhooks/1320848195156180993/wP0_EL_98Ekp9ZG_B76T1HAnTcTKq2EJhlt6ONQSaeX2qS3W8EKSazTWZlQFKz6nrF4D

Targets

    • Target

      TiktokBot.exe

    • Size

      359KB

    • MD5

      8669778992324151f3e3f6f454a9b7a3

    • SHA1

      676cfdaf3b5b5e58441a814cabfa8fac3630ef15

    • SHA256

      fa6e05570392f0c4dfe34ce0469eead7621388809cda5dd5e576c1e1ea6d6339

    • SHA512

      8d86798a61443a26d16cefbeb0b74beb6837bbfb999a36ece22664b6beae8c2404520b6b4047bbbf52c3b278a2e897836e3b6657c9f082c18ce63d97a4d2e510

    • SSDEEP

      6144:JloZM+rIkd8g+EtXHkv/iD4I06la43TwjJc6rrSNeb8e1myUi/Uy7P9f6dGYZthv:7oZtL+EP8I06la43TwjJc6rrSoZdnPcC

    • Detect Umbral payload

    • Umbral

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

    • Umbral family

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • 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

    • 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