General

  • Target

    3a1992b7a8b0222cf64a369b4ec33bdffd5a56a778f22e1815d8098be76ad94f

  • Size

    1.8MB

  • Sample

    240326-mxs25abd3x

  • MD5

    090b9fcce52df74b7fabc4e6ce348255

  • SHA1

    8c58b91da78f92e2d156f30d9ec1df95d6540049

  • SHA256

    3a1992b7a8b0222cf64a369b4ec33bdffd5a56a778f22e1815d8098be76ad94f

  • SHA512

    f02466638ecf44a3f839539766c5ea72657f87fe7bc2f13d97cae1751ad32d5bd8c8f457fd60593159d463c1a41514e2cc945dfcc7cb5a2fb995902762943ea1

  • SSDEEP

    49152:/azdUHRm63DVGYu8FdA9d/qaH+T1AHDC9wAcjjbK:/IUHRF3EramVqM612C+AcLK

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

Targets

    • Target

      3a1992b7a8b0222cf64a369b4ec33bdffd5a56a778f22e1815d8098be76ad94f

    • Size

      1.8MB

    • MD5

      090b9fcce52df74b7fabc4e6ce348255

    • SHA1

      8c58b91da78f92e2d156f30d9ec1df95d6540049

    • SHA256

      3a1992b7a8b0222cf64a369b4ec33bdffd5a56a778f22e1815d8098be76ad94f

    • SHA512

      f02466638ecf44a3f839539766c5ea72657f87fe7bc2f13d97cae1751ad32d5bd8c8f457fd60593159d463c1a41514e2cc945dfcc7cb5a2fb995902762943ea1

    • SSDEEP

      49152:/azdUHRm63DVGYu8FdA9d/qaH+T1AHDC9wAcjjbK:/IUHRF3EramVqM612C+AcLK

    • Amadey

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

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

    • Blocklisted process makes network request

    • 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 WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • 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.

    • 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

2
T1552.001

Credentials in Registry

1
T1552.002

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

3
T1082

Collection

Data from Local System

3
T1005

Tasks