General

  • Target

    7698a39ac49d8b24acd46154c674f8cceef1fb62d193964d1dc0ce4e9b779a0dN.exe

  • Size

    653KB

  • Sample

    241217-l5d3haxpcm

  • MD5

    ab3fc4dce62e61a1b0c3c246e1a40a60

  • SHA1

    5b2f7ef1cee65fc898e58392937a7683b9f35420

  • SHA256

    7698a39ac49d8b24acd46154c674f8cceef1fb62d193964d1dc0ce4e9b779a0d

  • SHA512

    b6dfb0c4e6dce823050f9d66d39a1287bdfbf97beefe828893fb8d889bdf861e510dce9301e5963eed8dac8250715680d729e686b485ace0748dc1508a2ebb5d

  • SSDEEP

    12288:JTYkuB+NC7dTWJ3s0gKhdQw66zqHR7L3jwAS+QWE3PfQy75alnnEX7nuoK6HQDXc:JsB+Nytop966zqR7jUAFQWeXQy70yTP5

Malware Config

Targets

    • Target

      7698a39ac49d8b24acd46154c674f8cceef1fb62d193964d1dc0ce4e9b779a0dN.exe

    • Size

      653KB

    • MD5

      ab3fc4dce62e61a1b0c3c246e1a40a60

    • SHA1

      5b2f7ef1cee65fc898e58392937a7683b9f35420

    • SHA256

      7698a39ac49d8b24acd46154c674f8cceef1fb62d193964d1dc0ce4e9b779a0d

    • SHA512

      b6dfb0c4e6dce823050f9d66d39a1287bdfbf97beefe828893fb8d889bdf861e510dce9301e5963eed8dac8250715680d729e686b485ace0748dc1508a2ebb5d

    • SSDEEP

      12288:JTYkuB+NC7dTWJ3s0gKhdQw66zqHR7L3jwAS+QWE3PfQy75alnnEX7nuoK6HQDXc:JsB+Nytop966zqR7jUAFQWeXQy70yTP5

    • Expiro family

    • Expiro, m0yv

      Expiro aka m0yv is a multi-functional backdoor written in C++.

    • Expiro payload

    • Disables taskbar notifications via registry modification

    • Executes dropped EXE

    • Loads dropped DLL

    • 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.

    • Windows security modification

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Drops Chrome extension

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks