General

  • Target

    9a501e3c19a488ab6672598e26af59a019c471aaf67adcd1dba4734d7a2b9e48.exe

  • Size

    2.4MB

  • Sample

    240704-b8vvbazdnd

  • MD5

    05dda1c444fe4feda4771f75598d55d7

  • SHA1

    3369deefd76ea12c621aad635547be857720d7d8

  • SHA256

    9a501e3c19a488ab6672598e26af59a019c471aaf67adcd1dba4734d7a2b9e48

  • SHA512

    01c7897fa5995332c466035f62e45faf12ff0cead90655df53c0b493833656c177b53594a0d8300c792fc43d2f6daa577e3f949f6e9118c950472d1a85ac6160

  • SSDEEP

    49152:rLZkC1yr3UfAdY31fHI7/IBIf0qHKSrynh7ncz9g+rVbKE6psgHC3:HZkC1OUS2ZowBWpBrIcCpsoC

Malware Config

Extracted

Family

stealc

Botnet

jony

C2

http://85.28.47.4

Attributes
  • url_path

    /920475a59bac849d.php

Extracted

Family

amadey

Version

4.30

Botnet

4dd39d

C2

http://77.91.77.82

Attributes
  • install_dir

    ad40971b6b

  • install_file

    explorti.exe

  • strings_key

    a434973ad22def7137dbb5e059b7081e

  • url_paths

    /Hun4Ko/index.php

rc4.plain

Targets

    • Target

      9a501e3c19a488ab6672598e26af59a019c471aaf67adcd1dba4734d7a2b9e48.exe

    • Size

      2.4MB

    • MD5

      05dda1c444fe4feda4771f75598d55d7

    • SHA1

      3369deefd76ea12c621aad635547be857720d7d8

    • SHA256

      9a501e3c19a488ab6672598e26af59a019c471aaf67adcd1dba4734d7a2b9e48

    • SHA512

      01c7897fa5995332c466035f62e45faf12ff0cead90655df53c0b493833656c177b53594a0d8300c792fc43d2f6daa577e3f949f6e9118c950472d1a85ac6160

    • SSDEEP

      49152:rLZkC1yr3UfAdY31fHI7/IBIf0qHKSrynh7ncz9g+rVbKE6psgHC3:HZkC1OUS2ZowBWpBrIcCpsoC

    • Amadey

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

    • Stealc

      Stealc is an infostealer written in C++.

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

    • Downloads MZ/PE file

    • Checks BIOS information in registry

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

    • 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 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Unsecured Credentials

3
T1552

Credentials In Files

3
T1552.001

Discovery

Query Registry

6
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

4
T1082

Collection

Data from Local System

3
T1005

Tasks