General

  • Target

    1440e21852af4e6a30d625549d41cd69e49574b0215bbaebfe3edc1cabe92aa4

  • Size

    1.8MB

  • Sample

    240329-zf3lfsaa37

  • MD5

    48c354894742ef7ad984c3595ccd0c6a

  • SHA1

    0a8f11cc5fdbd4d148c951adef02973a4f8ca2cc

  • SHA256

    1440e21852af4e6a30d625549d41cd69e49574b0215bbaebfe3edc1cabe92aa4

  • SHA512

    c4c38882d9d39eab5dfc94d3dee3c7e9c633b242b065da1e955320b3ded33bcc591f3c3a122e90fdf1cf0e1b8b5905ab214c4c74ccff8a92280643116ff0c9fd

  • SSDEEP

    49152:Mh0q1Tn5AC0WxGRHajjBG7EdpO1K3S1Miv3QGx:K08dA8wRL80K3SBfQGx

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

      1440e21852af4e6a30d625549d41cd69e49574b0215bbaebfe3edc1cabe92aa4

    • Size

      1.8MB

    • MD5

      48c354894742ef7ad984c3595ccd0c6a

    • SHA1

      0a8f11cc5fdbd4d148c951adef02973a4f8ca2cc

    • SHA256

      1440e21852af4e6a30d625549d41cd69e49574b0215bbaebfe3edc1cabe92aa4

    • SHA512

      c4c38882d9d39eab5dfc94d3dee3c7e9c633b242b065da1e955320b3ded33bcc591f3c3a122e90fdf1cf0e1b8b5905ab214c4c74ccff8a92280643116ff0c9fd

    • SSDEEP

      49152:Mh0q1Tn5AC0WxGRHajjBG7EdpO1K3S1Miv3QGx:K08dA8wRL80K3SBfQGx

    • 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