General

  • Target

    d122f1203b28fa6687f2712abe9535f5f1119eff4603b1838b050f5cc8a30b62

  • Size

    1.8MB

  • Sample

    240327-l6cwtshh25

  • MD5

    ed23c547239a2e06d4b921cc0c4df857

  • SHA1

    144df65a661473c0efbe667d02be1ab317176d65

  • SHA256

    d122f1203b28fa6687f2712abe9535f5f1119eff4603b1838b050f5cc8a30b62

  • SHA512

    8346c23d368367da54221b81d81542f293d5722e05a5eca926923ecf3ef832fa2022607535d2b86fc24a8d0bd0f1671fa93546b03a8ab6972288eb29d8555570

  • SSDEEP

    49152:jIg/84PSj5Cv647hNPm6LrRYOogydvrN9Rp:jV/XPSj5Cv64G6LrqO0d

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

      d122f1203b28fa6687f2712abe9535f5f1119eff4603b1838b050f5cc8a30b62

    • Size

      1.8MB

    • MD5

      ed23c547239a2e06d4b921cc0c4df857

    • SHA1

      144df65a661473c0efbe667d02be1ab317176d65

    • SHA256

      d122f1203b28fa6687f2712abe9535f5f1119eff4603b1838b050f5cc8a30b62

    • SHA512

      8346c23d368367da54221b81d81542f293d5722e05a5eca926923ecf3ef832fa2022607535d2b86fc24a8d0bd0f1671fa93546b03a8ab6972288eb29d8555570

    • SSDEEP

      49152:jIg/84PSj5Cv647hNPm6LrRYOogydvrN9Rp:jV/XPSj5Cv64G6LrqO0d

    • 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