General

  • Target

    ca70a19b730b569ccdd5a903f7cbb98a0ac40a62a77b3d817b65c0f0c9a37620

  • Size

    521KB

  • Sample

    240509-3hetysdc7z

  • MD5

    6fbe36ef1d6599968f107c7b6eb19225

  • SHA1

    8761289110102b0a661ffbe28ed7f0a730311c5e

  • SHA256

    ca70a19b730b569ccdd5a903f7cbb98a0ac40a62a77b3d817b65c0f0c9a37620

  • SHA512

    cff59fcc496248772906e1c6a1cd5bfe7ece2103b52ed05fd2426fc5e1f5afd184821ee35a8d55f8ab32ddc24781fd733987d0a05f54df89a9478ac93d344428

  • SSDEEP

    6144:39y51HwqQwU0PbQpf1oFdHr34eXHZCTUPEn0IlHgv59OxsDXqYe8RBCu97x+ucSR:3E51HwgRdLoeXMHnfHgzOi6kR5x+9aUI

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.150

Attributes
  • url_path

    /c698e1bc8a2f5e6d.php

Targets

    • Target

      ca70a19b730b569ccdd5a903f7cbb98a0ac40a62a77b3d817b65c0f0c9a37620

    • Size

      521KB

    • MD5

      6fbe36ef1d6599968f107c7b6eb19225

    • SHA1

      8761289110102b0a661ffbe28ed7f0a730311c5e

    • SHA256

      ca70a19b730b569ccdd5a903f7cbb98a0ac40a62a77b3d817b65c0f0c9a37620

    • SHA512

      cff59fcc496248772906e1c6a1cd5bfe7ece2103b52ed05fd2426fc5e1f5afd184821ee35a8d55f8ab32ddc24781fd733987d0a05f54df89a9478ac93d344428

    • SSDEEP

      6144:39y51HwqQwU0PbQpf1oFdHr34eXHZCTUPEn0IlHgv59OxsDXqYe8RBCu97x+ucSR:3E51HwgRdLoeXMHnfHgzOi6kR5x+9aUI

    • Detect ZGRat V1

    • Glupteba

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

    • Glupteba payload

    • Stealc

      Stealc is an infostealer written in C++.

    • UAC bypass

    • Windows security bypass

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • Modifies boot configuration data using bcdedit

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • 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.

    • 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.

    • 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

    • Legitimate hosting services abused for malware hosting/C2

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks