General

  • Target

    Condo crim uploader.exe

  • Size

    231KB

  • Sample

    240810-d73jwaybja

  • MD5

    d9aa5d47970457518e7f2f9fbe245733

  • SHA1

    05b025859cffad39a0b7292de373eb9c57a96941

  • SHA256

    742a545012a6b530384b980e4c4b77369b53d656309605cb5b111374493a098c

  • SHA512

    71b152d622ff6461617f37338e14e10ae7330f3358881daf8eb999a4d01b2f63873ed80a89d1179ef4613e47b0878369a14cbdde575452585b5c4b380f43fd27

  • SSDEEP

    6144:RloZM+rIkd8g+EtXHkv/iD46TGMVjgULCyD1Ac52db8e1mti:joZtL+EP86TGMVjgULCyD1Ac5W/

Malware Config

Extracted

Family

umbral

C2

https://discord.com/api/webhooks/1271602814673621004/7D4_U4w7YJOrOSo_A_9lhGtVrM501rZZgsOc-WgbhBav7ayXyW9yjaP-IuG3JVLnIOob

Targets

    • Target

      Condo crim uploader.exe

    • Size

      231KB

    • MD5

      d9aa5d47970457518e7f2f9fbe245733

    • SHA1

      05b025859cffad39a0b7292de373eb9c57a96941

    • SHA256

      742a545012a6b530384b980e4c4b77369b53d656309605cb5b111374493a098c

    • SHA512

      71b152d622ff6461617f37338e14e10ae7330f3358881daf8eb999a4d01b2f63873ed80a89d1179ef4613e47b0878369a14cbdde575452585b5c4b380f43fd27

    • SSDEEP

      6144:RloZM+rIkd8g+EtXHkv/iD46TGMVjgULCyD1Ac52db8e1mti:joZtL+EP86TGMVjgULCyD1Ac5W/

    • 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.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • 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