General

  • Target

    4363463463464363463463463.bin.zip

  • Size

    4KB

  • Sample

    231227-g3xdvaghgl

  • MD5

    6b28b9cf0154ec6cb4f9621b5f4e0824

  • SHA1

    aa7343e7f08b816805f99ac16de8e95f1df29925

  • SHA256

    75aaf15409cca4ff0c2dd844f68e9ac05b8e47f5ce46a4c94f60f518e6ea53cf

  • SHA512

    a046e68ebb9dbe589b6ae1e36e72bac1096bddb3bbec58194c1e9d79307895614e51a0fd651a6aaed2e3b4480bef62e6beecd421d02f342c2bc76a91177df649

  • SSDEEP

    96:uLeb/6iIz3SS14lsPQlTQmC0SsueFTNXtlp7idGOv/+h1q:bb/FIzd1eEyhNdb7is0/+nq

Malware Config

Extracted

Family

smokeloader

Botnet

lab

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

Extracted

Family

djvu

C2

http://zexeq.com/test1/get.php

Attributes
  • extension

    .cdqw

  • offline_id

    mMsRxMUuXypapZbGOAfxD9pczHmW8zVRP7Pgjwt1

  • payload_url

    http://brusuax.com/dl/build2.exe

    http://zexeq.com/files/1/build3.exe

  • ransomnote

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rsa_pubkey.plain

Extracted

Family

lumma

C2

http://soupinterestoe.fun/api

Extracted

Family

metasploit

Version

windows/reverse_tcp

C2

193.117.208.148:7800

Extracted

Family

guloader

C2

http://www.mountveederwines.com/a1/bin_encrypted_C58FF9F.bin

xor.base64

Extracted

Family

redline

Botnet

inst

C2

194.50.153.173:24496

Attributes
  • auth_value

    2a80a65ebb5123b2992638cb5ce3df56

Extracted

Family

metasploit

Version

windows/reverse_http

C2

http://5.148.32.222:8443/A56WY

http://193.117.208.148:7800/7bnN3Shf4KLzpvKnlvobIgNqpSWNXCMQMVqyVSViS7vMVf1iAKbd2nCHvw3oPEvMCHZK-l4GsYtJANxJbyE5eZKBElDNR1ZWi_gAl7db

Extracted

Family

redline

Botnet

new

C2

52.91.10.228:9891

Extracted

Family

xworm

Version

5.0

C2

canadian-perspectives.gl.at.ply.gg:33203

Mutex

TLsk4Xp0P8GNpwQw

Attributes
  • Install_directory

    %AppData%

  • install_file

    msedge.exe

aes.plain

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

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

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    162.248.54.77
  • Port:
    21
  • Username:
    appftp
  • Password:
    $ftp365284$

Targets

    • Target

      4363463463464363463463463.bin

    • 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.

    • DcRat

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

    • Detect Lumma Stealer payload V4

    • Detect Xworm Payload

    • Detect ZGRat V1

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Gh0st RAT payload

    • Gh0strat

      Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

    • 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

    • SectopRAT

      SectopRAT is a remote access trojan first seen in November 2019.

    • SectopRAT payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • UAC bypass

    • Windows security bypass

    • XMRig Miner payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • YTStealer

      YTStealer is a malware designed to steal YouTube authentication cookies.

    • YTStealer payload

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • Modifies boot configuration data using bcdedit

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Possible attempt to disable PatchGuard

      Rootkits can use kernel patching to embed themselves in an operating system.

    • Sets file execution options in registry

    • .NET Reactor proctector

      Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • 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

    • Windows security modification

    • 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.

    • Checks whether UAC is enabled

    • Creates a large amount of network flows

      This may indicate a network scan to discover remotely running services.

    • 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.

    • Modifies powershell logging option

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks