Resubmissions

16-02-2024 02:54

240216-dd14ysfc71 10

16-02-2024 01:10

240216-bjwqbaea93 10

09-02-2024 16:00

240209-tfl1taed86 10

09-02-2024 13:49

240209-q4sxgsbf9v 10

06-02-2024 16:58

240206-vg3kmadccn 10

06-02-2024 00:32

240206-avq4jadbfj 10

General

  • Target

    4363463463464363463463463.bin.exe

  • Size

    10KB

  • Sample

    240216-bjwqbaea93

  • MD5

    2a94f3960c58c6e70826495f76d00b85

  • SHA1

    e2a1a5641295f5ebf01a37ac1c170ac0814bb71a

  • SHA256

    2fcad226b17131da4274e1b9f8f31359bdd325c9568665f08fd1f6c5d06a23ce

  • SHA512

    fbf55b55fcfb12eb8c029562956229208b9e8e2591859d6336c28a590c92a4d0f7033a77c46ef6ebe07ddfca353aba1e84b51907cd774beab148ee901c92d62f

  • SSDEEP

    192:xlwayyHOXGc20L7BIW12n/ePSjiTlzkGu8stYcFwVc03KY:xlwwHe/20PKn/cLTlHuptYcFwVc03K

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://maxximbrasil.com/themes/config_20.ps1

Extracted

Family

gcleaner

C2

45.139.105.171

85.31.46.167

107.182.129.235

171.22.30.106

Attributes
  • url_path

    ....!..../software.php

    ....!..../software.php

Extracted

Family

metasploit

Version

windows/shell_reverse_tcp

C2

127.0.0.1:12346

Extracted

Family

metasploit

Version

encoder/shikata_ga_nai

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

C2

185.169.180.143:1604

Mutex

DcRatMutex_qwqdanchun

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Extracted

Family

amadey

Version

4.18

C2

http://185.172.128.3

Attributes
  • install_dir

    One_Dragon_Center

  • install_file

    MSI.CentralServer.exe

  • strings_key

    fd2f5851d3165c210396dcbe9930d294

  • url_paths

    /QajE3OBS/index.php

rc4.plain

Extracted

Family

stealc

C2

http://185.172.128.79

Attributes
  • url_path

    /3cd2b41cbde8fc9c.php

Extracted

Family

risepro

C2

193.233.132.62:50500

Extracted

Family

lumma

C2

185.99.133.246

Extracted

Family

redline

C2

45.15.156.37:110

Attributes
  • auth_value

    19cd76dae6d01d9649fd29624fa61e51

Targets

    • Target

      4363463463464363463463463.bin.exe

    • Size

      10KB

    • MD5

      2a94f3960c58c6e70826495f76d00b85

    • SHA1

      e2a1a5641295f5ebf01a37ac1c170ac0814bb71a

    • SHA256

      2fcad226b17131da4274e1b9f8f31359bdd325c9568665f08fd1f6c5d06a23ce

    • SHA512

      fbf55b55fcfb12eb8c029562956229208b9e8e2591859d6336c28a590c92a4d0f7033a77c46ef6ebe07ddfca353aba1e84b51907cd774beab148ee901c92d62f

    • SSDEEP

      192:xlwayyHOXGc20L7BIW12n/ePSjiTlzkGu8stYcFwVc03KY:xlwwHe/20PKn/cLTlHuptYcFwVc03K

    • Amadey

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

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Detect Lumma Stealer payload V2

    • Detect Lumma Stealer payload V4

    • Detect ZGRat V1

    • GCleaner

      GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • Lockbit

      Ransomware family with multiple variants released since late 2019.

    • Lumma Stealer

      An infostealer written in C++ first seen in August 2022.

    • MetaSploit

      Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • 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++.

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • Async RAT payload

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

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

    • Creates new service(s)

    • Downloads MZ/PE file

    • Stops running service(s)

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • 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.

    • Uses the VBS compiler for execution

    • Adds Run key to start application

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks