General

  • Target

    6f0f67bfabd6ae233bdcdee7cfb0699abe2581c68b829f2e3d7a0d0b05794962

  • Size

    1.8MB

  • Sample

    240505-2kzfpsbb74

  • MD5

    342e135b3565ebfad4c73fcfb619d87b

  • SHA1

    6694aa7c9e9cc3ef0baa1d1b1249583840b40dee

  • SHA256

    6f0f67bfabd6ae233bdcdee7cfb0699abe2581c68b829f2e3d7a0d0b05794962

  • SHA512

    87bfe530d909f88a82a2a0abece91dee4e5bbae926b1d1c5d64fb9cc8af10b24fc5c69364af1eb7989de5abbd5345b4c3429f21667ef87f4e4d93d4ef124146f

  • SSDEEP

    49152:KlE8djKa5XYakog9P8oKLZpiy6X/ZFEzay+3qNx:5815XFkcoKLZpiNXBGza

Malware Config

Extracted

Family

amadey

Version

4.18

C2

http://193.233.132.56

Attributes
  • install_dir

    09fd851a4f

  • install_file

    explorha.exe

  • strings_key

    443351145ece4966ded809641c77cfa8

  • url_paths

    /Pneh2sXQk0/index.php

rc4.plain

Extracted

Family

redline

Botnet

Test1234

C2

185.215.113.67:26260

Extracted

Family

stealc

C2

http://52.143.157.84

Attributes
  • url_path

    /c73eed764cc59dcb.php

Targets

    • Target

      6f0f67bfabd6ae233bdcdee7cfb0699abe2581c68b829f2e3d7a0d0b05794962

    • Size

      1.8MB

    • MD5

      342e135b3565ebfad4c73fcfb619d87b

    • SHA1

      6694aa7c9e9cc3ef0baa1d1b1249583840b40dee

    • SHA256

      6f0f67bfabd6ae233bdcdee7cfb0699abe2581c68b829f2e3d7a0d0b05794962

    • SHA512

      87bfe530d909f88a82a2a0abece91dee4e5bbae926b1d1c5d64fb9cc8af10b24fc5c69364af1eb7989de5abbd5345b4c3429f21667ef87f4e4d93d4ef124146f

    • SSDEEP

      49152:KlE8djKa5XYakog9P8oKLZpiy6X/ZFEzay+3qNx:5815XFkcoKLZpiNXBGza

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Detect ZGRat V1

    • Glupteba

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

    • Glupteba payload

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • 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

    • 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.

    • Stops running service(s)

    • Checks BIOS information in registry

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

    • Drops startup file

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of web browsers

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

    • 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.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks