General

  • Target

    b6b7cff03c27eb56d701cd474bc5c12807dbeb58fca0941bcf9ec2c269a07cf7.exe

  • Size

    347KB

  • Sample

    240430-b8j3tahd5t

  • MD5

    6b19cf5e2ad1c589a9591ef99c071c1d

  • SHA1

    c628156dfc41fdde30f692bbcc6f7e4fdf0dd2ea

  • SHA256

    b6b7cff03c27eb56d701cd474bc5c12807dbeb58fca0941bcf9ec2c269a07cf7

  • SHA512

    0a4005b2869769e5faa4c874185e48f84fae302ffad28b14a69e9be4c8f01600202b91cca5adc42c25ce819a7b0c17a2d1f07c0468c2e83a8eaec66c5ff2e0bc

  • SSDEEP

    6144:Iow3n4zYeN4lwlXFWI46PcJ+bbdtuBx4rEZGl0HIsitMuF:1eeyOl1WI46PcJYSBxSMGl0I9F

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.150

Attributes
  • url_path

    /c698e1bc8a2f5e6d.php

Targets

    • Target

      b6b7cff03c27eb56d701cd474bc5c12807dbeb58fca0941bcf9ec2c269a07cf7.exe

    • Size

      347KB

    • MD5

      6b19cf5e2ad1c589a9591ef99c071c1d

    • SHA1

      c628156dfc41fdde30f692bbcc6f7e4fdf0dd2ea

    • SHA256

      b6b7cff03c27eb56d701cd474bc5c12807dbeb58fca0941bcf9ec2c269a07cf7

    • SHA512

      0a4005b2869769e5faa4c874185e48f84fae302ffad28b14a69e9be4c8f01600202b91cca5adc42c25ce819a7b0c17a2d1f07c0468c2e83a8eaec66c5ff2e0bc

    • SSDEEP

      6144:Iow3n4zYeN4lwlXFWI46PcJ+bbdtuBx4rEZGl0HIsitMuF:1eeyOl1WI46PcJYSBxSMGl0I9F

    • Detect ZGRat V1

    • SectopRAT

      SectopRAT is a remote access trojan first seen in November 2019.

    • SectopRAT payload

    • Stealc

      Stealc is an infostealer written in C++.

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • Detect binaries embedding considerable number of MFA browser extension IDs.

    • Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects encrypted or obfuscated .NET executables

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks