General

  • Target

    530c89eb1c0a4db6b5c54455f43fac280b6263e4f5bb3534674ab0ece620d1c8

  • Size

    1.8MB

  • Sample

    240328-hejzaaeg9s

  • MD5

    bf5f801fd1f165bf4a1a9507367e8581

  • SHA1

    8fa364b73f05ef7aaf219ca51333172f5657bb8f

  • SHA256

    530c89eb1c0a4db6b5c54455f43fac280b6263e4f5bb3534674ab0ece620d1c8

  • SHA512

    9dae0328c588df2bcc2ca6852909e5cab442c9ab6a7a99b4dcdcddb57d393a713fde4de0ac90b89a3aa39de4956f38dcd2e4efba813de4f13c7a175505e9e926

  • SSDEEP

    24576:TaAF2PXpOyiEG0mnyWJUlVPgqqWWHYEZrCvDvQktS7aZvlpyuhnMicsLhtc9Xln:TD2EycyxVYWW4EYv7jdp5hnVhmdln

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

      530c89eb1c0a4db6b5c54455f43fac280b6263e4f5bb3534674ab0ece620d1c8

    • Size

      1.8MB

    • MD5

      bf5f801fd1f165bf4a1a9507367e8581

    • SHA1

      8fa364b73f05ef7aaf219ca51333172f5657bb8f

    • SHA256

      530c89eb1c0a4db6b5c54455f43fac280b6263e4f5bb3534674ab0ece620d1c8

    • SHA512

      9dae0328c588df2bcc2ca6852909e5cab442c9ab6a7a99b4dcdcddb57d393a713fde4de0ac90b89a3aa39de4956f38dcd2e4efba813de4f13c7a175505e9e926

    • SSDEEP

      24576:TaAF2PXpOyiEG0mnyWJUlVPgqqWWHYEZrCvDvQktS7aZvlpyuhnMicsLhtc9Xln:TD2EycyxVYWW4EYv7jdp5hnVhmdln

    • 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