General

  • Target

    0f3143790b31e54503867018d679ba343508419b8855afdfcda8771d25a40384.exe

  • Size

    347KB

  • Sample

    240430-be39laff59

  • MD5

    548fb1bcbe9b4b3bd7ed72ed919384ac

  • SHA1

    239a6c6f8958502c0a54fc98a7237098ca0875d0

  • SHA256

    0f3143790b31e54503867018d679ba343508419b8855afdfcda8771d25a40384

  • SHA512

    4f4fbb27c9e222868c969ed98473135ce99811d04eb832fb4e065199c2ace378255760c4372d5555764ce1adfbfefff16c00371e78c5b774d3350d626c4ebda6

  • SSDEEP

    6144:Iow3n4zYeN4lwlXFWI46PcJ+bbdtuBx4rEZGl0HIsitMuK:1eeyOl1WI46PcJYSBxSMGl0I9K

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.150

Attributes
  • url_path

    /c698e1bc8a2f5e6d.php

Targets

    • Target

      0f3143790b31e54503867018d679ba343508419b8855afdfcda8771d25a40384.exe

    • Size

      347KB

    • MD5

      548fb1bcbe9b4b3bd7ed72ed919384ac

    • SHA1

      239a6c6f8958502c0a54fc98a7237098ca0875d0

    • SHA256

      0f3143790b31e54503867018d679ba343508419b8855afdfcda8771d25a40384

    • SHA512

      4f4fbb27c9e222868c969ed98473135ce99811d04eb832fb4e065199c2ace378255760c4372d5555764ce1adfbfefff16c00371e78c5b774d3350d626c4ebda6

    • SSDEEP

      6144:Iow3n4zYeN4lwlXFWI46PcJ+bbdtuBx4rEZGl0HIsitMuK:1eeyOl1WI46PcJYSBxSMGl0I9K

    • 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