General

  • Target

    everything.exe

  • Size

    222KB

  • Sample

    240917-xpk2nazbkm

  • MD5

    647e29971448c7f8344cb1dbb30e66f5

  • SHA1

    d83b20b1f90e92dd4cdc3bb6d40f8e6d21f56ea8

  • SHA256

    7be2a7d739acc59c5421427cd9b722ab9b007007b2997dee1465087eb2a33619

  • SHA512

    8f76fa6ae9cd027be27737a4f61800b61b445218cd446c4a2c80b9e360a8db332e08bb368db2e7fa83c9a9ce8d798b33f1b74b9edc047cd51436dc3bf349a8bc

  • SSDEEP

    6144:HloZM+rIkd8g+EtXHkv/iD4nSoSrS8euHi:FoZtL+EP8GW

Malware Config

Extracted

Family

umbral

C2

https://discord.com/api/webhooks/1284565934647808062/yrfBIUgCKDX2ik-GyhGnUK8lwunOhdwbE-7YzuTn_v2ZC9dezyem8qyeVwd5Y-2mjwlu

Targets

    • Target

      everything.exe

    • Size

      222KB

    • MD5

      647e29971448c7f8344cb1dbb30e66f5

    • SHA1

      d83b20b1f90e92dd4cdc3bb6d40f8e6d21f56ea8

    • SHA256

      7be2a7d739acc59c5421427cd9b722ab9b007007b2997dee1465087eb2a33619

    • SHA512

      8f76fa6ae9cd027be27737a4f61800b61b445218cd446c4a2c80b9e360a8db332e08bb368db2e7fa83c9a9ce8d798b33f1b74b9edc047cd51436dc3bf349a8bc

    • SSDEEP

      6144:HloZM+rIkd8g+EtXHkv/iD4nSoSrS8euHi:FoZtL+EP8GW

    • 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.

    • 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