General

  • Target

    eab1083802d4ea741c5cd60f9a9061faedf28ab0d3bc79356236121b70929db7

  • Size

    1.8MB

  • Sample

    240327-1sn49sfh7y

  • MD5

    db86743c0c874bb47bf69b0190d8fbb9

  • SHA1

    ad1c5e3d40eb8fc293f3f04ea662504fccd04553

  • SHA256

    eab1083802d4ea741c5cd60f9a9061faedf28ab0d3bc79356236121b70929db7

  • SHA512

    6ee4db1c9d73402aa759dced0c02c40977b4936da521719c5dc75f6bd3a924d56ec45b17fc0c6683f59ebe8092709e8bea091aefa929f1d4cbb8e731637b068c

  • SSDEEP

    49152:3zqn305rO+rImyNs8wGDcyL4kA67OCQCElSySYdAY4WGDhO9acL:DVjrIHs8wGDL4kqXCASyP3CDhO9aS

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

      eab1083802d4ea741c5cd60f9a9061faedf28ab0d3bc79356236121b70929db7

    • Size

      1.8MB

    • MD5

      db86743c0c874bb47bf69b0190d8fbb9

    • SHA1

      ad1c5e3d40eb8fc293f3f04ea662504fccd04553

    • SHA256

      eab1083802d4ea741c5cd60f9a9061faedf28ab0d3bc79356236121b70929db7

    • SHA512

      6ee4db1c9d73402aa759dced0c02c40977b4936da521719c5dc75f6bd3a924d56ec45b17fc0c6683f59ebe8092709e8bea091aefa929f1d4cbb8e731637b068c

    • SSDEEP

      49152:3zqn305rO+rImyNs8wGDcyL4kA67OCQCElSySYdAY4WGDhO9acL:DVjrIHs8wGDL4kqXCASyP3CDhO9aS

    • 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