General

  • Target

    a19bd246425bc6c4befb5b071c316fddda1a2a2711abfc869fa7286e105a2d75

  • Size

    1.8MB

  • Sample

    240328-h2kjbsch88

  • MD5

    ce12d53b79bc85280e0597b4fb0452ef

  • SHA1

    1b120488d3706f323e750a7be0b91268481bd4d1

  • SHA256

    a19bd246425bc6c4befb5b071c316fddda1a2a2711abfc869fa7286e105a2d75

  • SHA512

    36eaee1bdc72e4e408c83d6c07bbd3b951c20444f01903240507be554c027ec476a8a25039c6f5c5ecd5829087d3eb54a75b671f1994e857358610569f6dfd84

  • SSDEEP

    24576:D22GaIxEpiz2tQu4IilNooPqpFVJs53tpIGSS7rWuwLz1FM7iKndC0S3ZtuJEIb0:jGLfFuRCYs56aWJAbUH3WJ9s

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

      a19bd246425bc6c4befb5b071c316fddda1a2a2711abfc869fa7286e105a2d75

    • Size

      1.8MB

    • MD5

      ce12d53b79bc85280e0597b4fb0452ef

    • SHA1

      1b120488d3706f323e750a7be0b91268481bd4d1

    • SHA256

      a19bd246425bc6c4befb5b071c316fddda1a2a2711abfc869fa7286e105a2d75

    • SHA512

      36eaee1bdc72e4e408c83d6c07bbd3b951c20444f01903240507be554c027ec476a8a25039c6f5c5ecd5829087d3eb54a75b671f1994e857358610569f6dfd84

    • SSDEEP

      24576:D22GaIxEpiz2tQu4IilNooPqpFVJs53tpIGSS7rWuwLz1FM7iKndC0S3ZtuJEIb0:jGLfFuRCYs56aWJAbUH3WJ9s

    • 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