General

  • Target

    NewTextDocumentmod.zip

  • Size

    3KB

  • Sample

    241210-sbc2nstkdk

  • MD5

    b96a448ea75ac4ec204676d13c7a82ca

  • SHA1

    04da3b20c0d3eed48bdb88ffbe6c61f05978df9d

  • SHA256

    2f5d7f23e220019fff39d5835e9a743ffb876d6eeb9c7617bb57438e184da56d

  • SHA512

    543b33a3314accd332f868d91a2c99bf9fb138355b165503792d36a8d870aacb3ef5c47d841096b8ee1b4f417a644d0af6fa2b7aadf8bf4eebf82f9e3c37fa4b

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

205.209.109.10:4449

205.209.109.10:7723

Mutex

clgbfqzkkypxjps

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Extracted

Family

xworm

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    ntoskrnl.exe

  • pastebin_url

    https://pastebin.com/raw/5FinF5Mf

  • telegram

    https://api.telegram.org/bot6521061783:AAGQkZDgpgjXOESj9-XTf5_ylzpA9XFxUw8/sendMessage?chat_id=5999137434

Extracted

Family

discordrat

Attributes
  • discord_token

    MTMxNTExMzk1MTQwMjUyNDc5Mg.Gr0nG0.RZobhhDSOoVNDV4G6dfAh3s5Qo1p7HVqUhKZ3o

  • server_id

    1313949691574226985

Extracted

Family

rhadamanthys

C2

https://95.214.55.177:1689/e21adcd5478c6d21f12/jf923j9f.kd10d2

Extracted

Family

lumma

C2

https://powerful-avoids.sbs/api

https://motion-treesz.sbs/api

https://disobey-curly.sbs/api

https://leg-sate-boat.sbs/api

https://story-tense-faz.sbs/api

https://blade-govern.sbs/api

https://occupy-blushi.sbs/api

https://frogs-severz.sbs/api

https://appear-guides.cyou/api

Extracted

Family

snakekeylogger

Credentials

Extracted

Family

lumma

C2

https://appear-guides.cyou/api

https://drive-connect.cyou/api

https://covery-mover.biz/api

Extracted

Family

warzonerat

C2

dns.stipamana.com:5219

Targets

    • Target

      New Text Document mod.exe

    • Size

      8KB

    • MD5

      69994ff2f00eeca9335ccd502198e05b

    • SHA1

      b13a15a5bea65b711b835ce8eccd2a699a99cead

    • SHA256

      2e2e035ece4accdee838ecaacdc263fa526939597954d18d1320d73c8bf810c2

    • SHA512

      ced53147894ed2dfc980bcb50767d9734ba8021f85842a53bb4bb4c502d51b4e9884f5f74c4dd2b70b53cafbe2441376675f7bd0f19bb20a3becb091a34fb9f3

    • SSDEEP

      96:y7ov9wc1dN1Unh3EHJ40CUJCrQt0LpCBIW12nEtgpH9GIkQYQoBNw9fnmK5iLjTv:yZyTFJfCB20LsBIW12n/eIkQ2BNg5S1

    • AsyncRat

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

    • Asyncrat family

    • Detect Xworm Payload

    • Discord RAT

      A RAT written in C# using Discord as a C2.

    • Discordrat family

    • Lumma Stealer, LummaC

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

    • Lumma family

    • Modifies Windows Defender Real-time Protection settings

    • Modifies security service

    • Rhadamanthys

      Rhadamanthys is an info stealer written in C++ first seen in August 2022.

    • Rhadamanthys family

    • Snake Keylogger

      Keylogger and Infostealer first seen in November 2020.

    • Snake Keylogger payload

    • Snakekeylogger family

    • StormKitty

      StormKitty is an open source info stealer written in C#.

    • StormKitty payload

    • Stormkitty family

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • VenomRAT

      Detects VenomRAT.

    • Venomrat family

    • WarzoneRat, AveMaria

      WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.

    • Warzonerat family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Async RAT payload

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

    • Warzone RAT payload

    • Command and Scripting Interpreter: PowerShell

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

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • 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.

    • 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.

    • Uses the VBS compiler for execution

    • Accesses Microsoft Outlook accounts

    • 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

    • 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.

    • Power Settings

      powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks