General

  • Target

    58da8cfd9a09e819f764a43fd9328887e72ba9516a9311f52074c578dfea5c57

  • Size

    1.8MB

  • Sample

    240425-d6j15see95

  • MD5

    128f955bef3288a593575e04a3b494fe

  • SHA1

    a35c17589fa1e3de73c8212183c8da4a238e076e

  • SHA256

    58da8cfd9a09e819f764a43fd9328887e72ba9516a9311f52074c578dfea5c57

  • SHA512

    a007341a0def9b6db865c820fec31ddc36b95314e058a1d5910fe2daae7e84026a01ea5dd224ad5bc8920f7ada39a899cb7d0742833f8fb0fe80c87ead572cc1

  • SSDEEP

    49152:kuaBznMUXmZKVfuZwQpVWVKtV98GGlpb808:ceUXmUVfuClV2slpb8N

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

      58da8cfd9a09e819f764a43fd9328887e72ba9516a9311f52074c578dfea5c57

    • Size

      1.8MB

    • MD5

      128f955bef3288a593575e04a3b494fe

    • SHA1

      a35c17589fa1e3de73c8212183c8da4a238e076e

    • SHA256

      58da8cfd9a09e819f764a43fd9328887e72ba9516a9311f52074c578dfea5c57

    • SHA512

      a007341a0def9b6db865c820fec31ddc36b95314e058a1d5910fe2daae7e84026a01ea5dd224ad5bc8920f7ada39a899cb7d0742833f8fb0fe80c87ead572cc1

    • SSDEEP

      49152:kuaBznMUXmZKVfuZwQpVWVKtV98GGlpb808:ceUXmUVfuClV2slpb8N

    • 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