General

  • Target

    eed1d84c1b05dc7831367d78e78b3fff974bc837ba15334cd86070f3b13b69d3

  • Size

    1.9MB

  • Sample

    240328-kdnbesea53

  • MD5

    ab7617cdd7048c2ae8a3998443dd403c

  • SHA1

    446497292c740d9cab14ac0726c0ebbaa6f33f14

  • SHA256

    eed1d84c1b05dc7831367d78e78b3fff974bc837ba15334cd86070f3b13b69d3

  • SHA512

    7ddf509fc9bb251d3efc7abe40d8397f02a101408f95f2a315e91b2cbac1a55c688bfd5274ac406c7e094b4e26bac1c0f5857e387931e7cf02ea262fc0f3f89e

  • SSDEEP

    49152:GwG+VByT/Ajwenh+IbaHMp+dnvcQqWNli9oA0k:GwGycTIlnr1p+9HqWNkX

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

      eed1d84c1b05dc7831367d78e78b3fff974bc837ba15334cd86070f3b13b69d3

    • Size

      1.9MB

    • MD5

      ab7617cdd7048c2ae8a3998443dd403c

    • SHA1

      446497292c740d9cab14ac0726c0ebbaa6f33f14

    • SHA256

      eed1d84c1b05dc7831367d78e78b3fff974bc837ba15334cd86070f3b13b69d3

    • SHA512

      7ddf509fc9bb251d3efc7abe40d8397f02a101408f95f2a315e91b2cbac1a55c688bfd5274ac406c7e094b4e26bac1c0f5857e387931e7cf02ea262fc0f3f89e

    • SSDEEP

      49152:GwG+VByT/Ajwenh+IbaHMp+dnvcQqWNli9oA0k:GwGycTIlnr1p+9HqWNkX

    • 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