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General

  • Target

    b7b89484ef2322e2c2d175b5a52324bc01ff74b5a18937fe52f4caafa17ea700

  • Size

    1.8MB

  • Sample

    240409-nrlarshc2w

  • MD5

    2a32676fb29d480f4fa2239fd1150169

  • SHA1

    9d667a64e0435d611535e3ecb942ca29816deb39

  • SHA256

    b7b89484ef2322e2c2d175b5a52324bc01ff74b5a18937fe52f4caafa17ea700

  • SHA512

    7541203406640d75134372b6bcfad9a3d95a8a020ebf3cf09325136fddfbf6b7745ba34398a72647989d0d6af48551b2ba37eef1d5cc31f44bf25c25b9e58c62

  • SSDEEP

    24576:2UKn1+ElUjHXTGNrtkx4/hqS12jZ2uWeWKa67X6gkA/ghWtOASJKGUFLYx21zQ05:580E63i/I4/hZWEiWc6WcWtNYUlYAhQ

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

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

Extracted

Family

amadey

Version

4.18

C2

http://193.233.132.56

Attributes
  • strings_key

    443351145ece4966ded809641c77cfa8

  • url_paths

    /Pneh2sXQk0/index.php

rc4.plain

Targets

    • Target

      b7b89484ef2322e2c2d175b5a52324bc01ff74b5a18937fe52f4caafa17ea700

    • Size

      1.8MB

    • MD5

      2a32676fb29d480f4fa2239fd1150169

    • SHA1

      9d667a64e0435d611535e3ecb942ca29816deb39

    • SHA256

      b7b89484ef2322e2c2d175b5a52324bc01ff74b5a18937fe52f4caafa17ea700

    • SHA512

      7541203406640d75134372b6bcfad9a3d95a8a020ebf3cf09325136fddfbf6b7745ba34398a72647989d0d6af48551b2ba37eef1d5cc31f44bf25c25b9e58c62

    • SSDEEP

      24576:2UKn1+ElUjHXTGNrtkx4/hqS12jZ2uWeWKa67X6gkA/ghWtOASJKGUFLYx21zQ05:580E63i/I4/hZWEiWc6WcWtNYUlYAhQ

    • Amadey

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

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

    • 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.

    • Adds Run key to start application

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks