General

  • Target

    33714ad5a998983029e956d202963a3c2e05c9671033d2b4c50d6e5ebdfcdb42

  • Size

    1.8MB

  • Sample

    240607-zqsh8sdh62

  • MD5

    10434b7a97d4f60d48e19108e7f3a8a6

  • SHA1

    061c2fd699cc36137b5cd453766e752ea2d37222

  • SHA256

    33714ad5a998983029e956d202963a3c2e05c9671033d2b4c50d6e5ebdfcdb42

  • SHA512

    eb64886dc8448ce056e0ed89c3b131e1638d6b995b567cf82d347f5ce8eaecc69c1f4d8ab71f03f38b97ea76ef4a009f45af3c8a61ad666207502923d3bdd943

  • SSDEEP

    49152:VKX5TKr/w6XXihDUcTMbtyCdCtqqTrfL038e:VKBu/1XyhD9TMbtyCdCLTjLy

Malware Config

Extracted

Family

amadey

Version

8254624243

Botnet

e76b71

C2

http://77.91.77.81

Attributes
  • install_dir

    8254624243

  • install_file

    axplong.exe

  • strings_key

    90049e51fabf09df0d6748e0b271922e

  • url_paths

    /Kiru9gu/index.php

rc4.plain

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://d22hce23hy1ej9.cloudfront.net/load/th.php?a=2836&c=1002

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://d22hce23hy1ej9.cloudfront.net/load/dl.php?id=458&c=1002

Extracted

Family

amadey

Version

4.21

Botnet

9a3efc

C2

http://check-ftp.ru

Attributes
  • install_dir

    b9695770f1

  • install_file

    Dctooux.exe

  • strings_key

    1d3a0f2941c4060dba7f23a378474944

  • url_paths

    /forum/index.php

rc4.plain

Extracted

Family

redline

Botnet

newbild

C2

185.215.113.67:40960

Extracted

Family

redline

Botnet

@LOGSCLOUDYT_BOT

C2

185.172.128.33:8970

Extracted

Family

amadey

Version

4.19

Botnet

8fc809

C2

http://nudump.com

http://otyt.ru

http://selltix.org

Attributes
  • install_dir

    b739b37d80

  • install_file

    Dctooux.exe

  • strings_key

    65bac8d4c26069c29f1fd276f7af33f3

  • url_paths

    /forum/index.php

    /forum2/index.php

    /forum3/index.php

rc4.plain

Extracted

Family

stealc

Botnet

cuapfss

C2

http://23.88.106.134

Attributes
  • url_path

    /6a9f8e2503d99c04.php

Targets

    • Target

      33714ad5a998983029e956d202963a3c2e05c9671033d2b4c50d6e5ebdfcdb42

    • Size

      1.8MB

    • MD5

      10434b7a97d4f60d48e19108e7f3a8a6

    • SHA1

      061c2fd699cc36137b5cd453766e752ea2d37222

    • SHA256

      33714ad5a998983029e956d202963a3c2e05c9671033d2b4c50d6e5ebdfcdb42

    • SHA512

      eb64886dc8448ce056e0ed89c3b131e1638d6b995b567cf82d347f5ce8eaecc69c1f4d8ab71f03f38b97ea76ef4a009f45af3c8a61ad666207502923d3bdd943

    • SSDEEP

      49152:VKX5TKr/w6XXihDUcTMbtyCdCtqqTrfL038e:VKBu/1XyhD9TMbtyCdCLTjLy

    • 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

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

    • Creates new service(s)

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • 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

    • Reads user/profile data of web browsers

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

    • 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 installed software on the system

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

    • 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 Enterprise v15

Tasks