General

  • Target

    209bd81408b26b110c198cb7ba7995c6ea030fc477e37e9c92156e5a58ce25fd

  • Size

    1.9MB

  • Sample

    240630-1qspnszekl

  • MD5

    bdd815f2c39b64071c5bad4abea96874

  • SHA1

    27131297c873f15f69d24574805e7673e6ab9a3c

  • SHA256

    209bd81408b26b110c198cb7ba7995c6ea030fc477e37e9c92156e5a58ce25fd

  • SHA512

    7657c448865e356b3e9a39a1cfdb2c92fde1e3dcb3de1484bbc180603cda8b640fcdd4f707cbd9e9a844b32b8620dda440a1fee01524e2b4e52afc04492613d5

  • SSDEEP

    24576:iZ1QdtKewjMH7xKKv1dvoAF7aWJWGf+Kbjb30+Ifk3FX1D0/QcBO4kIXP+dmP:qReyMH7xTXnaWkubjb3jIaXcQcBO4xG

Malware Config

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

Extracted

Family

stealc

Botnet

default

C2

http://85.28.47.4

Attributes
  • url_path

    /920475a59bac849d.php

Targets

    • Target

      209bd81408b26b110c198cb7ba7995c6ea030fc477e37e9c92156e5a58ce25fd

    • Size

      1.9MB

    • MD5

      bdd815f2c39b64071c5bad4abea96874

    • SHA1

      27131297c873f15f69d24574805e7673e6ab9a3c

    • SHA256

      209bd81408b26b110c198cb7ba7995c6ea030fc477e37e9c92156e5a58ce25fd

    • SHA512

      7657c448865e356b3e9a39a1cfdb2c92fde1e3dcb3de1484bbc180603cda8b640fcdd4f707cbd9e9a844b32b8620dda440a1fee01524e2b4e52afc04492613d5

    • SSDEEP

      24576:iZ1QdtKewjMH7xKKv1dvoAF7aWJWGf+Kbjb30+Ifk3FX1D0/QcBO4kIXP+dmP:qReyMH7xTXnaWkubjb3jIaXcQcBO4xG

    • 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.

    • 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

5
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

3
T1082

Collection

Data from Local System

3
T1005

Tasks