General

  • Target

    a89df33d66a9692ce04089936ed533ef4e9ad5f42575a7ad7db4137cfc4eb1fb

  • Size

    1.8MB

  • Sample

    240524-mp84dadh9z

  • MD5

    add1ff0491e62306802e17b5714dda60

  • SHA1

    171f50e59ed0847c574dde3a7110207a72b6a79b

  • SHA256

    a89df33d66a9692ce04089936ed533ef4e9ad5f42575a7ad7db4137cfc4eb1fb

  • SHA512

    3a64c4187072668c49ec9e4425f93139b50fe83ac05838b3c90e42168cdca3cc24a6a0e29902939c3fd1182f2a28ec6913c27047dc6cbdefb23bd5aa6f6bc853

  • SSDEEP

    24576:d1M6zwLmxUhqwbPZaUeKu1/t2vsZQK/gO32a0VNKhWyxog5QXpXwy0G9d+ujPL0p:dmdLm9wbPZjUJCT7M7QVwDGzDL6

Malware Config

Extracted

Family

amadey

Version

4.21

Botnet

49e482

C2

http://147.45.47.70

Attributes
  • install_dir

    1b29d73536

  • install_file

    axplont.exe

  • strings_key

    4d31dd1a190d9879c21fac6d87dc0043

  • url_paths

    /tr8nomy/index.php

rc4.plain

Targets

    • Target

      a89df33d66a9692ce04089936ed533ef4e9ad5f42575a7ad7db4137cfc4eb1fb

    • Size

      1.8MB

    • MD5

      add1ff0491e62306802e17b5714dda60

    • SHA1

      171f50e59ed0847c574dde3a7110207a72b6a79b

    • SHA256

      a89df33d66a9692ce04089936ed533ef4e9ad5f42575a7ad7db4137cfc4eb1fb

    • SHA512

      3a64c4187072668c49ec9e4425f93139b50fe83ac05838b3c90e42168cdca3cc24a6a0e29902939c3fd1182f2a28ec6913c27047dc6cbdefb23bd5aa6f6bc853

    • SSDEEP

      24576:d1M6zwLmxUhqwbPZaUeKu1/t2vsZQK/gO32a0VNKhWyxog5QXpXwy0G9d+ujPL0p:dmdLm9wbPZjUJCT7M7QVwDGzDL6

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Modifies Windows Defender Real-time Protection settings

    • Modifies firewall policy service

    • PrivateLoader

      PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Modifies boot configuration data using bcdedit

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Sets service image path in registry

    • Stops running service(s)

    • 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.

    • Drops startup file

    • 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

    • Modifies system executable filetype association

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Registers COM server for autorun

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Adds Run key to start application

    • Checks for any installed AV software in registry

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Drops Chrome extension

    • Drops desktop.ini file(s)

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

System Services

1
T1569

Service Execution

1
T1569.002

Scheduled Task/Job

1
T1053

Persistence

Create or Modify System Process

3
T1543

Windows Service

3
T1543.003

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

3
T1547.001

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Scheduled Task/Job

1
T1053

Privilege Escalation

Create or Modify System Process

3
T1543

Windows Service

3
T1543.003

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

3
T1547.001

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

6
T1112

Impair Defenses

2
T1562

Disable or Modify Tools

1
T1562.001

Virtualization/Sandbox Evasion

2
T1497

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

9
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

7
T1082

Software Discovery

1
T1518

Security Software Discovery

1
T1518.001

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Impact

Inhibit System Recovery

1
T1490

Service Stop

1
T1489

Tasks