General

  • Target

    04ad8b8b03096c4a0fc0bdf38fea6e0cd7aae5caa09bc0889ce2ea545d3792eeN.exe

  • Size

    899KB

  • Sample

    241219-2lcy4asmeq

  • MD5

    8d80b50434837e65e168d93367f9ba00

  • SHA1

    16289658e9e4eaec2ae27aa888859b7d36c18ca5

  • SHA256

    04ad8b8b03096c4a0fc0bdf38fea6e0cd7aae5caa09bc0889ce2ea545d3792ee

  • SHA512

    a37cd036b6e23b2f4b72682d7685fbeb7427f9e05f5dc1d485c8e8ef8ff775a8e0f2c039ca874dfc7f7110bd39fb8047ffbd464efbe9ef4fbf7757ceb768f4f6

  • SSDEEP

    6144:bBPYE9q5Ku+qKY1WNB27jSlpwT/IldNfVfN52N2GUzSlax/dyZ8sscH6iRuq:aE9qouiYK8jSlpeEt5BGRlE/dyZ8LM

Malware Config

Targets

    • Target

      04ad8b8b03096c4a0fc0bdf38fea6e0cd7aae5caa09bc0889ce2ea545d3792eeN.exe

    • Size

      899KB

    • MD5

      8d80b50434837e65e168d93367f9ba00

    • SHA1

      16289658e9e4eaec2ae27aa888859b7d36c18ca5

    • SHA256

      04ad8b8b03096c4a0fc0bdf38fea6e0cd7aae5caa09bc0889ce2ea545d3792ee

    • SHA512

      a37cd036b6e23b2f4b72682d7685fbeb7427f9e05f5dc1d485c8e8ef8ff775a8e0f2c039ca874dfc7f7110bd39fb8047ffbd464efbe9ef4fbf7757ceb768f4f6

    • SSDEEP

      6144:bBPYE9q5Ku+qKY1WNB27jSlpwT/IldNfVfN52N2GUzSlax/dyZ8sscH6iRuq:aE9qouiYK8jSlpeEt5BGRlE/dyZ8LM

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • Agenttesla family

    • AgentTesla payload

    • System Binary Proxy Execution: InstallUtil

      Abuse InstallUtil to proxy execution of malicious code.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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 Microsoft Outlook profiles

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks