General

  • Target

    0e236536f9fc793be5f2e276555817d0bb9206e9d56904bc509188bc42515129

  • Size

    559KB

  • Sample

    240418-19qdnahd8y

  • MD5

    9ee0c556e1b952495a74709e6b06459a

  • SHA1

    1b631e41b43d6f7ef3f7d140c1eb14ecf1cd861d

  • SHA256

    0e236536f9fc793be5f2e276555817d0bb9206e9d56904bc509188bc42515129

  • SHA512

    1ec91c9e0ab4e359be73677f81150922ed06fc58e621e2115d4c607afb94dbf69a8362db14a531ff6aba69b1dc8e3cd2a0aa0ba626320caa9c250060bbe44558

  • SSDEEP

    12288:yi/BY1Np6gS4GerR72nfELsEtYi19W5I3v/CgeX:yGY5dr2RECW9II/uX

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.209

Attributes
  • url_path

    /3cd2b41cbde8fc9c.php

Targets

    • Target

      0e236536f9fc793be5f2e276555817d0bb9206e9d56904bc509188bc42515129

    • Size

      559KB

    • MD5

      9ee0c556e1b952495a74709e6b06459a

    • SHA1

      1b631e41b43d6f7ef3f7d140c1eb14ecf1cd861d

    • SHA256

      0e236536f9fc793be5f2e276555817d0bb9206e9d56904bc509188bc42515129

    • SHA512

      1ec91c9e0ab4e359be73677f81150922ed06fc58e621e2115d4c607afb94dbf69a8362db14a531ff6aba69b1dc8e3cd2a0aa0ba626320caa9c250060bbe44558

    • SSDEEP

      12288:yi/BY1Np6gS4GerR72nfELsEtYi19W5I3v/CgeX:yGY5dr2RECW9II/uX

    • Detect ZGRat V1

    • Glupteba

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

    • Glupteba payload

    • Modifies firewall policy service

    • Stealc

      Stealc is an infostealer written in C++.

    • UAC bypass

    • Windows security bypass

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Modifies boot configuration data using bcdedit

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Possible attempt to disable PatchGuard

      Rootkits can use kernel patching to embed themselves in an operating system.

    • 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 user/profile data of web browsers

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

    • Registers COM server for autorun

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Windows security modification

    • 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.

    • Checks whether UAC is enabled

    • 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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Manipulates WinMon driver.

      Roottkits write to WinMon to hide PIDs from being detected.

    • Manipulates WinMonFS driver.

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

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks