General

  • Target

    Umbral3.exe

  • Size

    229KB

  • Sample

    240426-qectzacc96

  • MD5

    7a902c87a60986f18a6b097712299256

  • SHA1

    2c01906a39faa9d27a41e0d3cd84e92410b9c483

  • SHA256

    e4e4f9045dc3683a2a69b9c7625f2ff46ed241ff64b47660a039dbc9d34cb0d5

  • SHA512

    c8b75b3f0a77d1f84167af3c431e186802ccd5271fc4a361142e0209541de37f5d584d487bf5ea4b4d921e6e3846267fdea9f65cbd71001331bfea08de5425b6

  • SSDEEP

    6144:tloZMCrIkd8g+EtXHkv/iD4DDUgoOJBiLHaIJtM34b8e1mmi:voZRL+EP8DDUgoOJBiLHaIJtMQI

Score
10/10

Malware Config

Extracted

Family

umbral

C2

https://discord.com/api/webhooks/1233119648527159317/Az86qBZQwyED_alc1sGO6UWR18PzIJCJX0PM3XdL1VTOwZPXr0B4Rc6-GqAkKUjg4Jn2

Targets

    • Target

      Umbral3.exe

    • Size

      229KB

    • MD5

      7a902c87a60986f18a6b097712299256

    • SHA1

      2c01906a39faa9d27a41e0d3cd84e92410b9c483

    • SHA256

      e4e4f9045dc3683a2a69b9c7625f2ff46ed241ff64b47660a039dbc9d34cb0d5

    • SHA512

      c8b75b3f0a77d1f84167af3c431e186802ccd5271fc4a361142e0209541de37f5d584d487bf5ea4b4d921e6e3846267fdea9f65cbd71001331bfea08de5425b6

    • SSDEEP

      6144:tloZMCrIkd8g+EtXHkv/iD4DDUgoOJBiLHaIJtM34b8e1mmi:voZRL+EP8DDUgoOJBiLHaIJtMQI

    Score
    10/10
    • Detect Umbral payload

    • Umbral

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

    • 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