General

  • Target

    skuld.exe

  • Size

    9.8MB

  • Sample

    241017-dandpasbpn

  • MD5

    723849fc46caf8f8dbf447ac050b8c31

  • SHA1

    fc29e9028c005f3bc71e31b71f1aedd427ac5b7b

  • SHA256

    ec2194ba8928a1ccf8bf098d23e25ff971b1e48db67bcf7417119aee667c93cc

  • SHA512

    229435357b7f4d90756a457cfe2d21c8a2d819723745a2fd0d0f120a6560832e92706814cb8eaeb615bbe13cb8b6cf6446f2309e3ac63f517627d6b5f1a3f2cf

  • SSDEEP

    98304:Zrfdlz4MwXCwWmLHfM1EOrZcs5EwscBJZrZ6eFmBQbQcR:Zr34MwRE1EOrqsaMhFmBQp

Malware Config

Extracted

Family

skuld

C2

https://discord.com/api/webhooks/1296303576926392341/Tps4IgItsbgFfWRvv3V4xHZLBkpTksuf0TRo-aCAjDLIRCDca1thaJLZfnJ5idvleHuN

Targets

    • Target

      skuld.exe

    • Size

      9.8MB

    • MD5

      723849fc46caf8f8dbf447ac050b8c31

    • SHA1

      fc29e9028c005f3bc71e31b71f1aedd427ac5b7b

    • SHA256

      ec2194ba8928a1ccf8bf098d23e25ff971b1e48db67bcf7417119aee667c93cc

    • SHA512

      229435357b7f4d90756a457cfe2d21c8a2d819723745a2fd0d0f120a6560832e92706814cb8eaeb615bbe13cb8b6cf6446f2309e3ac63f517627d6b5f1a3f2cf

    • SSDEEP

      98304:Zrfdlz4MwXCwWmLHfM1EOrZcs5EwscBJZrZ6eFmBQbQcR:Zr34MwRE1EOrqsaMhFmBQp

    • Skuld stealer

      An info stealer written in Go lang.

    • 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.

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

MITRE ATT&CK Enterprise v15

Tasks