General

  • Target

    6b16b3ba35c47e301bd92ba7d87de4bb3d79c3eb506b36da0e113bdc7625911c

  • Size

    1.8MB

  • Sample

    240326-jnwj4sea38

  • MD5

    1592614bbb413b57fa01b1b27da9907f

  • SHA1

    f1893b91fd1f0fc05ad5cd9c2b2539bece424466

  • SHA256

    6b16b3ba35c47e301bd92ba7d87de4bb3d79c3eb506b36da0e113bdc7625911c

  • SHA512

    7aad3bf5dc27945a0912c63ec925cd4885ea06e86d3c75cd0e7aa29c29bcdae50a355eb5f9269301f9621a58b4c7fb33a6c27295f3a10eff3156a2a86e7aad7e

  • SSDEEP

    49152:G903H9oi32WUF+IKCggf9KwJU0QrmCnAZAj8hmh8QrMa:GW352N+/hgfcw2bnAZa8hQ

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

      6b16b3ba35c47e301bd92ba7d87de4bb3d79c3eb506b36da0e113bdc7625911c

    • Size

      1.8MB

    • MD5

      1592614bbb413b57fa01b1b27da9907f

    • SHA1

      f1893b91fd1f0fc05ad5cd9c2b2539bece424466

    • SHA256

      6b16b3ba35c47e301bd92ba7d87de4bb3d79c3eb506b36da0e113bdc7625911c

    • SHA512

      7aad3bf5dc27945a0912c63ec925cd4885ea06e86d3c75cd0e7aa29c29bcdae50a355eb5f9269301f9621a58b4c7fb33a6c27295f3a10eff3156a2a86e7aad7e

    • SSDEEP

      49152:G903H9oi32WUF+IKCggf9KwJU0QrmCnAZAj8hmh8QrMa:GW352N+/hgfcw2bnAZa8hQ

    • 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