General

  • Target

    4b5bae459e95731d2d533048edb68326231d961189e6cd5e446a8a88bc066661

  • Size

    1.8MB

  • Sample

    240326-b68cmaec9z

  • MD5

    6fee0060a5ee2c45364ab3396b92e4ce

  • SHA1

    2850a8372c8b9c3ef580a7babef6c76e3107f647

  • SHA256

    4b5bae459e95731d2d533048edb68326231d961189e6cd5e446a8a88bc066661

  • SHA512

    8bbec478f24d3e679c6e332a42d575197224485dee6d04a9f2f523afa7c86609304e4f412882fa64bea790d4a4c313d9fc4cd58e4bcbbac76f10c0c45f1e21e7

  • SSDEEP

    49152:smVcWmXn7L55ghh3Xdu2464oXCpO/n1bVN:smVcz37LMBvUw1B

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

      4b5bae459e95731d2d533048edb68326231d961189e6cd5e446a8a88bc066661

    • Size

      1.8MB

    • MD5

      6fee0060a5ee2c45364ab3396b92e4ce

    • SHA1

      2850a8372c8b9c3ef580a7babef6c76e3107f647

    • SHA256

      4b5bae459e95731d2d533048edb68326231d961189e6cd5e446a8a88bc066661

    • SHA512

      8bbec478f24d3e679c6e332a42d575197224485dee6d04a9f2f523afa7c86609304e4f412882fa64bea790d4a4c313d9fc4cd58e4bcbbac76f10c0c45f1e21e7

    • SSDEEP

      49152:smVcWmXn7L55ghh3Xdu2464oXCpO/n1bVN:smVcz37LMBvUw1B

    • 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