General

  • Target

    511db60e9d5fc979942349992732b1b01d47d4a447de5c651fd976b85238c76c

  • Size

    1.8MB

  • Sample

    240526-grxkgahc7z

  • MD5

    308373af3edaf7fe8605ff2447e30c52

  • SHA1

    e774993d1c9b3ee92d82f01aefd9b4abf0096000

  • SHA256

    511db60e9d5fc979942349992732b1b01d47d4a447de5c651fd976b85238c76c

  • SHA512

    7ab29f93332f1d0af963509a6ff6a8ec941a738042370a550e1660342bd7395569c6adb32dd19300800edb2319dee193870b230f7c1b10d3ea25726a37420fd3

  • SSDEEP

    24576:HoFsrsIA0JZlFackcO99I75vsIsHEfpLhoteGVtc9taasf/KTIFyQf9ne4q2l2:5OSZlFa3cO99u6NGQFtcq7BFyQfU4Nl

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

Extracted

Family

redline

Botnet

1

C2

185.215.113.67:40960

Extracted

Family

redline

Botnet

@LOGSCLOUDYT_BOT

C2

185.172.128.33:8970

Extracted

Family

stealc

Botnet

zzvv

C2

http://23.88.106.134

Attributes
  • url_path

    /c73eed764cc59dcb.php

Targets

    • Target

      511db60e9d5fc979942349992732b1b01d47d4a447de5c651fd976b85238c76c

    • Size

      1.8MB

    • MD5

      308373af3edaf7fe8605ff2447e30c52

    • SHA1

      e774993d1c9b3ee92d82f01aefd9b4abf0096000

    • SHA256

      511db60e9d5fc979942349992732b1b01d47d4a447de5c651fd976b85238c76c

    • SHA512

      7ab29f93332f1d0af963509a6ff6a8ec941a738042370a550e1660342bd7395569c6adb32dd19300800edb2319dee193870b230f7c1b10d3ea25726a37420fd3

    • SSDEEP

      24576:HoFsrsIA0JZlFackcO99I75vsIsHEfpLhoteGVtc9taasf/KTIFyQf9ne4q2l2:5OSZlFa3cO99u6NGQFtcq7BFyQfU4Nl

    • Amadey

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

    • Exela Stealer

      Exela Stealer is an open source stealer originally written in .NET and later transitioned to Python that was first observed in August 2023.

    • Modifies firewall policy service

    • PrivateLoader

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

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

    • Stealc

      Stealc is an infostealer written in C++.

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

    • 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 and hide display window.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Installed Components in the registry

    • Modifies Windows Firewall

    • 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.

    • 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 data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • 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

2
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

Account Manipulation

1
T1098

Boot or Logon Autostart Execution

4
T1547

Registry Run Keys / Startup Folder

4
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

4
T1547

Registry Run Keys / Startup Folder

4
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

Virtualization/Sandbox Evasion

2
T1497

Impair Defenses

2
T1562

Disable or Modify System Firewall

1
T1562.004

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Credential Access

Unsecured Credentials

3
T1552

Credentials In Files

3
T1552.001

Discovery

Query Registry

9
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

10
T1082

Software Discovery

1
T1518

Security Software Discovery

1
T1518.001

Peripheral Device Discovery

2
T1120

Process Discovery

1
T1057

Collection

Data from Local System

4
T1005

Command and Control

Web Service

1
T1102

Impact

Inhibit System Recovery

1
T1490

Service Stop

1
T1489

Tasks