General

  • Target

    9f897fad91f7d3c2fd32f4543f7f9faa6824d2d22163e58ff783370fa5906b98

  • Size

    1.9MB

  • Sample

    240329-npklfsgf28

  • MD5

    91b71940e00d0590b1ed9f22800f3ae9

  • SHA1

    caf68c5b3628e7ad2559adc423a22676dfcd345b

  • SHA256

    9f897fad91f7d3c2fd32f4543f7f9faa6824d2d22163e58ff783370fa5906b98

  • SHA512

    cc57181d3fe4e8b47f9f5a0fc81adfaa32f14d8cb9c896584dde8cd596c03c530b119eb6a070d21f3981e39283cedf8510a8ccd577677bec52c9c1a1a4f0156f

  • SSDEEP

    49152:levJ6oeb83NCUL8QjjfE1CzsG73pnfTbzSxWddh:cUoIsjfF3ZPei

Malware Config

Extracted

Family

amadey

Version

4.17

C2

http://185.215.113.32

Attributes
  • install_dir

    00c07260dc

  • install_file

    explorgu.exe

  • strings_key

    461809bd97c251ba0c0c8450c7055f1d

  • url_paths

    /yandex/index.php

rc4.plain

Targets

    • Target

      9f897fad91f7d3c2fd32f4543f7f9faa6824d2d22163e58ff783370fa5906b98

    • Size

      1.9MB

    • MD5

      91b71940e00d0590b1ed9f22800f3ae9

    • SHA1

      caf68c5b3628e7ad2559adc423a22676dfcd345b

    • SHA256

      9f897fad91f7d3c2fd32f4543f7f9faa6824d2d22163e58ff783370fa5906b98

    • SHA512

      cc57181d3fe4e8b47f9f5a0fc81adfaa32f14d8cb9c896584dde8cd596c03c530b119eb6a070d21f3981e39283cedf8510a8ccd577677bec52c9c1a1a4f0156f

    • SSDEEP

      49152:levJ6oeb83NCUL8QjjfE1CzsG73pnfTbzSxWddh:cUoIsjfF3ZPei

    • 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