General

  • Target

    9c1e847f479e3b5570b6035352d3bbf2aa72a837eb7898f6a7d26cebcb8c8e06

  • Size

    3.3MB

  • Sample

    240401-st6rpsgh99

  • MD5

    7429ddf0aac01ae35256d827a9891668

  • SHA1

    d00e1b75ab9de2e78df817d28c4f2eb951ba586b

  • SHA256

    9c1e847f479e3b5570b6035352d3bbf2aa72a837eb7898f6a7d26cebcb8c8e06

  • SHA512

    e47099dc64e4e331b1084e8c3532c6fe0d6538d46480eb1d03af286fc81c7a3a593c8dea864fe00caf846ccb5fb47d7b9ffc4d5e3864c3fabe237fbfb0229f4f

  • SSDEEP

    49152:fJ7LEl+l4XJlckAoYPnNoQML7o5xZegFX3DTUNxifUH+xF:blCsIYGQnmQMHwF

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.209

Attributes
  • url_path

    /3cd2b41cbde8fc9c.php

Targets

    • Target

      9c1e847f479e3b5570b6035352d3bbf2aa72a837eb7898f6a7d26cebcb8c8e06

    • Size

      3.3MB

    • MD5

      7429ddf0aac01ae35256d827a9891668

    • SHA1

      d00e1b75ab9de2e78df817d28c4f2eb951ba586b

    • SHA256

      9c1e847f479e3b5570b6035352d3bbf2aa72a837eb7898f6a7d26cebcb8c8e06

    • SHA512

      e47099dc64e4e331b1084e8c3532c6fe0d6538d46480eb1d03af286fc81c7a3a593c8dea864fe00caf846ccb5fb47d7b9ffc4d5e3864c3fabe237fbfb0229f4f

    • SSDEEP

      49152:fJ7LEl+l4XJlckAoYPnNoQML7o5xZegFX3DTUNxifUH+xF:blCsIYGQnmQMHwF

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • Rhadamanthys

      Rhadamanthys is an info stealer written in C++ first seen in August 2022.

    • Stealc

      Stealc is an infostealer written in C++.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Drops startup 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.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Drops Chrome extension

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Legitimate hosting services abused for malware hosting/C2

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks