General

  • Target

    TMPN.exe

  • Size

    14.2MB

  • Sample

    240903-cqp2savakq

  • MD5

    59a08bb8bf4881e814fd3d36f525da8a

  • SHA1

    3f542be6b20daef732a4c4bee9bad1dde8b375f0

  • SHA256

    03da816f34074a5e1941ababc4cbab2880d149a03b1b3b1000cf065479d50272

  • SHA512

    dfc2c2a0c743918642943d296c3b26367d80ce49d3c0ee099c27398ed134a965203014b1b0346e41d882531f8d0bdb878cc38ee1c2420844bd9cfd70677e002a

  • SSDEEP

    196608:oWJafoL/tUoTX4Z8bh1Yf0k7Ma/rkFlgdTaUrPPbdfw:oWsfm/Vbh1lkSFCdTauZo

Malware Config

Extracted

Family

skuld

C2

https://ptb.discord.com/api/webhooks/1277694857338687561/FxXidvF_Xcdm1mFBnfMwjGWhByymrClV-px0CZhfTr9YtQWuA8etVIU6_PpLcbsJWD9d

Targets

    • Target

      TMPN.exe

    • Size

      14.2MB

    • MD5

      59a08bb8bf4881e814fd3d36f525da8a

    • SHA1

      3f542be6b20daef732a4c4bee9bad1dde8b375f0

    • SHA256

      03da816f34074a5e1941ababc4cbab2880d149a03b1b3b1000cf065479d50272

    • SHA512

      dfc2c2a0c743918642943d296c3b26367d80ce49d3c0ee099c27398ed134a965203014b1b0346e41d882531f8d0bdb878cc38ee1c2420844bd9cfd70677e002a

    • SSDEEP

      196608:oWJafoL/tUoTX4Z8bh1Yf0k7Ma/rkFlgdTaUrPPbdfw:oWsfm/Vbh1lkSFCdTauZo

    • 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

    • 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