General

  • Target

    da85253d46a956ef12ecb328cbec1922935f376729f65bf036fbf97516e469b3

  • Size

    1.8MB

  • Sample

    240328-et8peabg76

  • MD5

    3699f20bc41527ba72316c9a9aac70ae

  • SHA1

    3fc500df5c9e02a2254dd6ca17ced80af46fbed0

  • SHA256

    da85253d46a956ef12ecb328cbec1922935f376729f65bf036fbf97516e469b3

  • SHA512

    e145d8666255b8638f367e48440fda846c1c26f228678a56bde6c1998456aed10ebd5b4d86517cfc4623eaf81fe6593f202c1091b70c99866889d482b7b7d016

  • SSDEEP

    49152:JTD2d0El7n5GH18GZLX8AbOcgLgcVLtljyg:J2d0A752KcX8AjgkalG

Malware Config

Extracted

Family

amadey

Version

4.18

C2

http://193.233.132.56

Attributes
  • install_dir

    09fd851a4f

  • install_file

    explorha.exe

  • strings_key

    443351145ece4966ded809641c77cfa8

  • url_paths

    /Pneh2sXQk0/index.php

rc4.plain

Targets

    • Target

      da85253d46a956ef12ecb328cbec1922935f376729f65bf036fbf97516e469b3

    • Size

      1.8MB

    • MD5

      3699f20bc41527ba72316c9a9aac70ae

    • SHA1

      3fc500df5c9e02a2254dd6ca17ced80af46fbed0

    • SHA256

      da85253d46a956ef12ecb328cbec1922935f376729f65bf036fbf97516e469b3

    • SHA512

      e145d8666255b8638f367e48440fda846c1c26f228678a56bde6c1998456aed10ebd5b4d86517cfc4623eaf81fe6593f202c1091b70c99866889d482b7b7d016

    • SSDEEP

      49152:JTD2d0El7n5GH18GZLX8AbOcgLgcVLtljyg:J2d0A752KcX8AjgkalG

    • 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