General

  • Target

    249c91245c949e8e7cc7f4bd3d6aef9b354c1d249fc3097b0363862ed7269886

  • Size

    9.9MB

  • Sample

    240904-zj4b6awckl

  • MD5

    887658af018e5522a8abe4c00252361f

  • SHA1

    d2893d94ce987eb469ca64762576b57912bea1ff

  • SHA256

    249c91245c949e8e7cc7f4bd3d6aef9b354c1d249fc3097b0363862ed7269886

  • SHA512

    c06c9e0450f603a7b6015a6bb754d26211da5f0757379be33a89debdaf4bf1514ae759cd83df46896f34476df3ddceeec4afe5940ed9c72256115b460db26799

  • SSDEEP

    98304:DQI9wzKxmhMIIKfGTibiyCC9cK8wE2ICafZmwjsEejd:DIzKxmhhtbiyCicRJDUjd

Malware Config

Extracted

Family

skuld

C2

https://discord.com/api/webhooks/1280879332289417337/N57T0u-gjKeX4DbEt1h4wHLoe5f6-5eBA4AGCQ4ztbiwHU50OCwyoVD47sFi6d2myZOr

Targets

    • Target

      249c91245c949e8e7cc7f4bd3d6aef9b354c1d249fc3097b0363862ed7269886

    • Size

      9.9MB

    • MD5

      887658af018e5522a8abe4c00252361f

    • SHA1

      d2893d94ce987eb469ca64762576b57912bea1ff

    • SHA256

      249c91245c949e8e7cc7f4bd3d6aef9b354c1d249fc3097b0363862ed7269886

    • SHA512

      c06c9e0450f603a7b6015a6bb754d26211da5f0757379be33a89debdaf4bf1514ae759cd83df46896f34476df3ddceeec4afe5940ed9c72256115b460db26799

    • SSDEEP

      98304:DQI9wzKxmhMIIKfGTibiyCC9cK8wE2ICafZmwjsEejd:DIzKxmhhtbiyCicRJDUjd

    • Skuld stealer

      An info stealer written in Go lang.

    • 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.

    • Drops file in Drivers directory

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • 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.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

MITRE ATT&CK Enterprise v15

Tasks