General

  • Target

    b191a7db52b4b5bc6e5130fe6e1297a50564430d17e5d16dd19ea3f5c0e623b2.exe

  • Size

    1.8MB

  • Sample

    241122-slmnvstjdt

  • MD5

    a29c95a9c8404c28175d5914c9452c4a

  • SHA1

    aa89471c5dcfbd31ee480734cc69078c70e14ca2

  • SHA256

    b191a7db52b4b5bc6e5130fe6e1297a50564430d17e5d16dd19ea3f5c0e623b2

  • SHA512

    168e40ae50b1da5c69eda97a29c8ceec6a801965c0572a3ffbe12684089f1f65963ef0fa50f752adf9c9d88215c0c05aebdeb9219d18bb3fd9443f2bc6ccf155

  • SSDEEP

    49152:anuo3wzZrd9eSGQSfuSp0msUg99Kr3UHo3u:aLUZrd9eSSfuSp0m89H

Malware Config

Extracted

Family

amadey

Version

5.04

Botnet

4bee07

C2

http://185.215.113.209

Attributes
  • install_dir

    fc9e0aaab7

  • install_file

    defnur.exe

  • strings_key

    191655f008adc880f91bfc85bc56db54

  • url_paths

    /Fru7Nk9/index.php

rc4.plain

Targets

    • Target

      b191a7db52b4b5bc6e5130fe6e1297a50564430d17e5d16dd19ea3f5c0e623b2.exe

    • Size

      1.8MB

    • MD5

      a29c95a9c8404c28175d5914c9452c4a

    • SHA1

      aa89471c5dcfbd31ee480734cc69078c70e14ca2

    • SHA256

      b191a7db52b4b5bc6e5130fe6e1297a50564430d17e5d16dd19ea3f5c0e623b2

    • SHA512

      168e40ae50b1da5c69eda97a29c8ceec6a801965c0572a3ffbe12684089f1f65963ef0fa50f752adf9c9d88215c0c05aebdeb9219d18bb3fd9443f2bc6ccf155

    • SSDEEP

      49152:anuo3wzZrd9eSGQSfuSp0msUg99Kr3UHo3u:aLUZrd9eSSfuSp0m89H

    • Amadey

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

    • Amadey family

    • 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

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks