General

  • Target

    BoogieTool.exe

  • Size

    229KB

  • Sample

    240910-wmfhqaxaqr

  • MD5

    a95d6f4a4315650e730488eabbe1a5dc

  • SHA1

    dd8358dceb4125cbcc85c2d18721a2ef1aa5b165

  • SHA256

    3b97b49496b1d19bd7fec189d26ba0e5ff3051eb759e48cc02c934aceb7868ee

  • SHA512

    b3a1822d4426178ceae2ab76597bf072c41cfa374141bc7adfb01dfafcfc443a713d1526e800290afd265cd932ec756235ffde880cf5ab6fd858b2adf1ed619e

  • SSDEEP

    6144:tloZMYrIkd8g+EtXHkv/iD4yfqmR/k4XoG/BcoNNKb8e1mwMQi:voZHL+EP8yfqmR/k4XoG/BcoNAKJ

Malware Config

Extracted

Family

umbral

C2

https://discord.com/api/webhooks/1278435495386415144/D2YISSJfaIXLKS4nLo5qAMET1JA7XbkE1D57Ec4MyiruKT3zr5BWWoNDA4lobqjTbxcX

Targets

    • Target

      BoogieTool.exe

    • Size

      229KB

    • MD5

      a95d6f4a4315650e730488eabbe1a5dc

    • SHA1

      dd8358dceb4125cbcc85c2d18721a2ef1aa5b165

    • SHA256

      3b97b49496b1d19bd7fec189d26ba0e5ff3051eb759e48cc02c934aceb7868ee

    • SHA512

      b3a1822d4426178ceae2ab76597bf072c41cfa374141bc7adfb01dfafcfc443a713d1526e800290afd265cd932ec756235ffde880cf5ab6fd858b2adf1ed619e

    • SSDEEP

      6144:tloZMYrIkd8g+EtXHkv/iD4yfqmR/k4XoG/BcoNNKb8e1mwMQi:voZHL+EP8yfqmR/k4XoG/BcoNAKJ

    • 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

      Using powershell.exe command.

    • 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