General

  • Target

    dc9c03ec6eb099a529867b8a2ab9e8f0e1923c6348aa0c924d817c28ca93c6b0

  • Size

    1.8MB

  • Sample

    240329-e3m43aad57

  • MD5

    5e2102b090cd47c2a47b3cdaca4afcd9

  • SHA1

    6307bdaa47341c2a82d2cec0cf424dd4321b4cda

  • SHA256

    dc9c03ec6eb099a529867b8a2ab9e8f0e1923c6348aa0c924d817c28ca93c6b0

  • SHA512

    ad1d622de2a7da16000adc6b2527b1f9e96c892abf7493d49e11219d152ce276a25667114e48769b595b292097ef46a1c2ce410797b820041a25313db46c5202

  • SSDEEP

    49152:xazkagwv+RhjLVmnNiwJfU+6bbhlVEQVRx0pgLw:xJ1TAnM4s+ybvV1R8gk

Malware Config

Extracted

Family

amadey

Version

4.17

C2

http://185.215.113.32

Attributes
  • install_dir

    00c07260dc

  • install_file

    explorgu.exe

  • strings_key

    461809bd97c251ba0c0c8450c7055f1d

  • url_paths

    /yandex/index.php

rc4.plain

Targets

    • Target

      dc9c03ec6eb099a529867b8a2ab9e8f0e1923c6348aa0c924d817c28ca93c6b0

    • Size

      1.8MB

    • MD5

      5e2102b090cd47c2a47b3cdaca4afcd9

    • SHA1

      6307bdaa47341c2a82d2cec0cf424dd4321b4cda

    • SHA256

      dc9c03ec6eb099a529867b8a2ab9e8f0e1923c6348aa0c924d817c28ca93c6b0

    • SHA512

      ad1d622de2a7da16000adc6b2527b1f9e96c892abf7493d49e11219d152ce276a25667114e48769b595b292097ef46a1c2ce410797b820041a25313db46c5202

    • SSDEEP

      49152:xazkagwv+RhjLVmnNiwJfU+6bbhlVEQVRx0pgLw:xJ1TAnM4s+ybvV1R8gk

    • 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