General

  • Target

    3d42c65185ffb3aa118b76d917f6fa16bb5ff09ffeb74e55ad8b1dcd6f59b602

  • Size

    1.8MB

  • Sample

    240327-jprbsafg79

  • MD5

    045a6f2a649f8f819882e0c89cc33d93

  • SHA1

    9a4408039998b9238cdd90e349c1b6fa7db8e5b7

  • SHA256

    3d42c65185ffb3aa118b76d917f6fa16bb5ff09ffeb74e55ad8b1dcd6f59b602

  • SHA512

    c4af91e15f79e287d55b903e3075ea654375612526c0fce4724f0fb9f25aec0c77f2d374918c782ace1cfadd287771513aa26f523435aabb7645d05f69367a9d

  • SSDEEP

    24576:dd2YWCxfMBN7gvQ6JbkUDShnAaPLyi9NuV7gOmlqWMgsKTDEnyRBN5IHB9XL+rC1:dLyimRPL9Yc72yAHirz5CbFKnTu

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

      3d42c65185ffb3aa118b76d917f6fa16bb5ff09ffeb74e55ad8b1dcd6f59b602

    • Size

      1.8MB

    • MD5

      045a6f2a649f8f819882e0c89cc33d93

    • SHA1

      9a4408039998b9238cdd90e349c1b6fa7db8e5b7

    • SHA256

      3d42c65185ffb3aa118b76d917f6fa16bb5ff09ffeb74e55ad8b1dcd6f59b602

    • SHA512

      c4af91e15f79e287d55b903e3075ea654375612526c0fce4724f0fb9f25aec0c77f2d374918c782ace1cfadd287771513aa26f523435aabb7645d05f69367a9d

    • SSDEEP

      24576:dd2YWCxfMBN7gvQ6JbkUDShnAaPLyi9NuV7gOmlqWMgsKTDEnyRBN5IHB9XL+rC1:dLyimRPL9Yc72yAHirz5CbFKnTu

    • 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