General

  • Target

    c4e6a95123560d53b28898d4d0ce58cbce6fed215932f2b9ebce620f68ed9fcc

  • Size

    1.8MB

  • Sample

    240425-jc5zeagg98

  • MD5

    a888a5da90f5ed7c95c0f18b0c952e41

  • SHA1

    0899f6b32faa0bdf420939c17376ea31fe532f51

  • SHA256

    c4e6a95123560d53b28898d4d0ce58cbce6fed215932f2b9ebce620f68ed9fcc

  • SHA512

    9b644a0ed0033d44405c0744917450eb42b166705672d69255ae3acad0e879b822748e08d7513f68cf8c169c8e8e75cfa271aa2698cc8375c6f434762d299a53

  • SSDEEP

    49152:xs8z00vzP0jMsnbb2UFcoXotI51uVbpoYvuWBL0d:RV7YRnbbrotk1ObpoYv5d+

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

      c4e6a95123560d53b28898d4d0ce58cbce6fed215932f2b9ebce620f68ed9fcc

    • Size

      1.8MB

    • MD5

      a888a5da90f5ed7c95c0f18b0c952e41

    • SHA1

      0899f6b32faa0bdf420939c17376ea31fe532f51

    • SHA256

      c4e6a95123560d53b28898d4d0ce58cbce6fed215932f2b9ebce620f68ed9fcc

    • SHA512

      9b644a0ed0033d44405c0744917450eb42b166705672d69255ae3acad0e879b822748e08d7513f68cf8c169c8e8e75cfa271aa2698cc8375c6f434762d299a53

    • SSDEEP

      49152:xs8z00vzP0jMsnbb2UFcoXotI51uVbpoYvuWBL0d:RV7YRnbbrotk1ObpoYv5d+

    • 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