General

  • Target

    9023777f5529c209b55ac61d14e2a7f978491d14df51268b49d947010f46376d

  • Size

    2.4MB

  • Sample

    240704-dmyp7atblh

  • MD5

    f19adb4ea42ab4e1cfe99d50a00956e3

  • SHA1

    5da5eb1c673010c0b9999c4943999696ecbcdc9d

  • SHA256

    9023777f5529c209b55ac61d14e2a7f978491d14df51268b49d947010f46376d

  • SHA512

    6583ef56e91d3fb02d75d5cdf1cfd47d543edbefd5c311f1e6ddfb800c943a4504ab0f747829a75dd98a2c8831e010504f1104d115359a3a8848b1645c57ad41

  • SSDEEP

    49152:qPiKGXBUQl7x+fss5ceOAlBqEO110m5GTsDM4nk2OMFCAsB5uE6WxBHnwB8z:qsz3ns6eDBqEO7R+IDk2OMF/8uZghwM

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

      9023777f5529c209b55ac61d14e2a7f978491d14df51268b49d947010f46376d

    • Size

      2.4MB

    • MD5

      f19adb4ea42ab4e1cfe99d50a00956e3

    • SHA1

      5da5eb1c673010c0b9999c4943999696ecbcdc9d

    • SHA256

      9023777f5529c209b55ac61d14e2a7f978491d14df51268b49d947010f46376d

    • SHA512

      6583ef56e91d3fb02d75d5cdf1cfd47d543edbefd5c311f1e6ddfb800c943a4504ab0f747829a75dd98a2c8831e010504f1104d115359a3a8848b1645c57ad41

    • SSDEEP

      49152:qPiKGXBUQl7x+fss5ceOAlBqEO110m5GTsDM4nk2OMFCAsB5uE6WxBHnwB8z:qsz3ns6eDBqEO7R+IDk2OMF/8uZghwM

    • 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.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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

7
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

5
T1082

Collection

Data from Local System

3
T1005

Tasks