General

  • Target

    5b17fd453cbcebf186fd1d5181c8baf039f4b8cd24561eabfe4ea75317c7379a

  • Size

    1.8MB

  • Sample

    240419-3vqrzsag25

  • MD5

    d4e4c663dc562932f60b63d2b9655f4e

  • SHA1

    102f98797226b0eb90e80ea015dad4386e470c51

  • SHA256

    5b17fd453cbcebf186fd1d5181c8baf039f4b8cd24561eabfe4ea75317c7379a

  • SHA512

    37d610fc89906ddfa52e879ecf66365aa06fd6587aea58dba0bf0232d95f85ac88b7f7f38104d16fdc327720e3dc044d74de63ac40aab422d003ac1bcf5a849d

  • SSDEEP

    24576:sV74iACVrKd/ZiKUYaoJn11P4taUdhBR6JdSb0dmXsBTWmLf/L77g36n+AhyWhSd:GjKFF4oUvBknZdmu38AhThSoaGD4lp

Malware Config

Extracted

Family

amadey

Version

4.17

C2

http://193.233.132.167

Attributes
  • install_dir

    4d0ab15804

  • install_file

    chrosha.exe

  • strings_key

    1a9519d7b465e1f4880fa09a6162d768

  • url_paths

    /enigma/index.php

rc4.plain

Targets

    • Target

      5b17fd453cbcebf186fd1d5181c8baf039f4b8cd24561eabfe4ea75317c7379a

    • Size

      1.8MB

    • MD5

      d4e4c663dc562932f60b63d2b9655f4e

    • SHA1

      102f98797226b0eb90e80ea015dad4386e470c51

    • SHA256

      5b17fd453cbcebf186fd1d5181c8baf039f4b8cd24561eabfe4ea75317c7379a

    • SHA512

      37d610fc89906ddfa52e879ecf66365aa06fd6587aea58dba0bf0232d95f85ac88b7f7f38104d16fdc327720e3dc044d74de63ac40aab422d003ac1bcf5a849d

    • SSDEEP

      24576:sV74iACVrKd/ZiKUYaoJn11P4taUdhBR6JdSb0dmXsBTWmLf/L77g36n+AhyWhSd:GjKFF4oUvBknZdmu38AhThSoaGD4lp

    • 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