General

  • Target

    635b0382c7b197f6364174439095335f49840ffda11bd07295479de7ab5b0a41.exe

  • Size

    1.8MB

  • Sample

    241205-dk9pnsvraw

  • MD5

    5ff2c91d09e11533912c5f9b39c1de6b

  • SHA1

    6abff68aba13d5afd578a333cc43410805163aaa

  • SHA256

    635b0382c7b197f6364174439095335f49840ffda11bd07295479de7ab5b0a41

  • SHA512

    cb810e1120fb9f7935bd2ed9e93d9efb7ea374ecd09274b3b79851fd710b46a921ff9561a69db3ee7f4323e89d698f39d8ef99927afef401c4ed54a0ef06ef20

  • SSDEEP

    24576:XwCB2oPYi1/hTqNgy5qGeetO6M5LhQa2dqGhUaWnNTUAuNvNBRWC2akAmGlHaiKk:X3B2G1/hA3tVM5gVUK1Bs7bGlHrvFF+y

Malware Config

Extracted

Family

amadey

Version

4.42

Botnet

9c9aa5

C2

http://185.215.113.43

Attributes
  • install_dir

    abc3bc1985

  • install_file

    skotes.exe

  • strings_key

    8a35cf2ea38c2817dba29a4b5b25dcf0

  • url_paths

    /Zu7JuNko/index.php

rc4.plain

Extracted

Family

lumma

C2

https://ratiomun.cyou

Extracted

Family

stealc

Botnet

drum

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

lumma

C2

https://ratiomun.cyou/api

Extracted

Family

gurcu

C2

https://api.telegram.org/bot7733030005:AAEneIh4MdJeCVQCr4Pys9pel6q03FCPCi0/sendDocument?chat_id=7538374929&caption=%F0%9F%93%82%20-%20Browser%20data%0A%E2%94%9C%E2%94%80%E2%94%80%20%F0%9F%93%82%20-%20cookies(0.25%20kb

https://api.telegram.org/bot7733030005:AAEneIh4MdJeCVQCr4Pys9pel6q03FCPCi0/sendMessage?chat_id=7538374929

https://api.telegram.org/bot7733030005:AAEneIh4MdJeCVQCr4Pys9pel6q03FCPCi0/getUpdates?offset=-

https://api.telegram.org/bot7733030005:AAEneIh4MdJeCVQCr4Pys9pel6q03FCPCi0/sendDocument?chat_id=7538374929&caption=%F0%9F%93%B8Screenshot%20take

Targets

    • Target

      635b0382c7b197f6364174439095335f49840ffda11bd07295479de7ab5b0a41.exe

    • Size

      1.8MB

    • MD5

      5ff2c91d09e11533912c5f9b39c1de6b

    • SHA1

      6abff68aba13d5afd578a333cc43410805163aaa

    • SHA256

      635b0382c7b197f6364174439095335f49840ffda11bd07295479de7ab5b0a41

    • SHA512

      cb810e1120fb9f7935bd2ed9e93d9efb7ea374ecd09274b3b79851fd710b46a921ff9561a69db3ee7f4323e89d698f39d8ef99927afef401c4ed54a0ef06ef20

    • SSDEEP

      24576:XwCB2oPYi1/hTqNgy5qGeetO6M5LhQa2dqGhUaWnNTUAuNvNBRWC2akAmGlHaiKk:X3B2G1/hA3tVM5gVUK1Bs7bGlHrvFF+y

    • Amadey

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

    • Amadey family

    • Gurcu family

    • Gurcu, WhiteSnake

      Gurcu aka WhiteSnake is a malware stealer written in C#.

    • Lumma Stealer, LummaC

      Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

    • Lumma family

    • MilleniumRat

      MilleniumRat is a remote access trojan written in C#.

    • Milleniumrat family

    • Modifies Windows Defender Real-time Protection settings

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Enumerates VirtualBox registry keys

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

    • 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 user/profile data of web browsers

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

    • Windows security modification

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks