General

  • Target

    a785eca30240559cc070f34ed58e642c963f96799020e6d664e5a18ca4e83d2e

  • Size

    1.8MB

  • Sample

    240525-3h9dkaee6y

  • MD5

    21f488b50b7c21d5b032a03273d12fc9

  • SHA1

    333ca9d0e708f196f2099ff1189572d74cd48870

  • SHA256

    a785eca30240559cc070f34ed58e642c963f96799020e6d664e5a18ca4e83d2e

  • SHA512

    7b70b83c13e75333803d1397c180169806e0e66300c1856612f45f23f9520cbd43ed1acde2074cae96bd1095fc240b41d1b14bf6a901486a8acbc9a867e916d7

  • SSDEEP

    49152:tFm3Sm/SetnQm5vcMsMpsSxGbZXqUKKbBsJTQ5ud9:6iIrtQm5XsMp3xGbMm6Jbd

Malware Config

Extracted

Family

amadey

Version

4.21

Botnet

0e6740

C2

http://147.45.47.155

Attributes
  • install_dir

    9217037dc9

  • install_file

    explortu.exe

  • strings_key

    8e894a8a4a3d0da8924003a561cfb244

  • url_paths

    /ku4Nor9/index.php

rc4.plain

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

Extracted

Family

risepro

C2

147.45.47.126:58709

Targets

    • Target

      a785eca30240559cc070f34ed58e642c963f96799020e6d664e5a18ca4e83d2e

    • Size

      1.8MB

    • MD5

      21f488b50b7c21d5b032a03273d12fc9

    • SHA1

      333ca9d0e708f196f2099ff1189572d74cd48870

    • SHA256

      a785eca30240559cc070f34ed58e642c963f96799020e6d664e5a18ca4e83d2e

    • SHA512

      7b70b83c13e75333803d1397c180169806e0e66300c1856612f45f23f9520cbd43ed1acde2074cae96bd1095fc240b41d1b14bf6a901486a8acbc9a867e916d7

    • SSDEEP

      49152:tFm3Sm/SetnQm5vcMsMpsSxGbZXqUKKbBsJTQ5ud9:6iIrtQm5XsMp3xGbMm6Jbd

    • Amadey

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

    • Modifies firewall policy service

    • PrivateLoader

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

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

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

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • 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.

    • 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

    • Reads user/profile data of web browsers

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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Adds Run key to start application

    • 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

Scheduled Task/Job

1
T1053

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Scheduled Task/Job

1
T1053

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

2
T1112

Virtualization/Sandbox Evasion

2
T1497

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

7
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

6
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks