General

  • Target

    e1bb885e3d20ae5cb44ca5fffd4f2c2744ecebed9662aca14619c1f5c8a5e260

  • Size

    1.8MB

  • Sample

    240428-3eb9nabg79

  • MD5

    bc609279a89a2a1a8068f9cd6bd7e00a

  • SHA1

    56697ec42ceac74416de32eab0c821afa5292c57

  • SHA256

    e1bb885e3d20ae5cb44ca5fffd4f2c2744ecebed9662aca14619c1f5c8a5e260

  • SHA512

    0252756d332a912655639af1eb37f668c11b5bd98bb7bea9a961e4d8afab064b20ac333cd9e4da874a0d3153083ec210fd619e0a51837860ca42ed690bf66b29

  • SSDEEP

    49152:oFI0Q0CR1njFDdMPMCk6fgav/NEAkDCkFFsR:oFI+wPCPM76Yav1EA

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

      e1bb885e3d20ae5cb44ca5fffd4f2c2744ecebed9662aca14619c1f5c8a5e260

    • Size

      1.8MB

    • MD5

      bc609279a89a2a1a8068f9cd6bd7e00a

    • SHA1

      56697ec42ceac74416de32eab0c821afa5292c57

    • SHA256

      e1bb885e3d20ae5cb44ca5fffd4f2c2744ecebed9662aca14619c1f5c8a5e260

    • SHA512

      0252756d332a912655639af1eb37f668c11b5bd98bb7bea9a961e4d8afab064b20ac333cd9e4da874a0d3153083ec210fd619e0a51837860ca42ed690bf66b29

    • SSDEEP

      49152:oFI0Q0CR1njFDdMPMCk6fgav/NEAkDCkFFsR:oFI+wPCPM76Yav1EA

    • 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.

    • Accesses Microsoft Outlook profiles

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • 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 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

5
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

3
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks