General

  • Target

    Launcher.exe

  • Size

    494KB

  • Sample

    240621-3np7wazdmj

  • MD5

    4dec21ccd049843072fadf1b3309d2a9

  • SHA1

    f7524ef6805b5702e19e4ecc41b216362e408563

  • SHA256

    47bc79f3e02009ba8291f7abcf299a964d767af4125e4b3f3fb055d14763f931

  • SHA512

    f5866734316e372b0a9e3520cbb1ecc02b994de46c19780daec275687f8cd1b5aa64bbab1ae8b00a051d9ab6384f846633bc0210b9ff3b8abb9cc5f9cf399908

  • SSDEEP

    12288:doZtL+EP8zHeo9rI8jX67NokRZqdDhA/Nfg:rI8Leo9rI8jX67NokRZMlA/Nfg

Malware Config

Extracted

Family

umbral

C2

https://discord.com/api/webhooks/1253833123951673356/_Aooe8ml3fMH9fH1g-DSFNS_Il1heNqN3CVDm0yR8jgQfTfTlzbhLfgtC56Qb7TgXNKt

Targets

    • Target

      Launcher.exe

    • Size

      494KB

    • MD5

      4dec21ccd049843072fadf1b3309d2a9

    • SHA1

      f7524ef6805b5702e19e4ecc41b216362e408563

    • SHA256

      47bc79f3e02009ba8291f7abcf299a964d767af4125e4b3f3fb055d14763f931

    • SHA512

      f5866734316e372b0a9e3520cbb1ecc02b994de46c19780daec275687f8cd1b5aa64bbab1ae8b00a051d9ab6384f846633bc0210b9ff3b8abb9cc5f9cf399908

    • SSDEEP

      12288:doZtL+EP8zHeo9rI8jX67NokRZqdDhA/Nfg:rI8Leo9rI8jX67NokRZMlA/Nfg

    • Detect Umbral payload

    • Umbral

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

    • 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

    • 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