General

  • Target

    f2717c28e33f137ae01af445243f13e12357834fd9fdaf79a63ab74ecc28025d

  • Size

    324KB

  • Sample

    230424-zwrtwsee89

  • MD5

    955cfec1f9b1a3b22b80d2d933a5b255

  • SHA1

    c3fd66700bc0832749cea02122ef48739e9df167

  • SHA256

    f2717c28e33f137ae01af445243f13e12357834fd9fdaf79a63ab74ecc28025d

  • SHA512

    184a5abd3b4ee3feea854e01e2688abd7787612e29815aef9707e292d87691375764426dd3906fc27d873820bc8fce2d4ea94b5794f984e33cca0a90c80c14f1

  • SSDEEP

    6144:QHXBmPcTAZ4b6ZXMFVys/wH+W+e9cGbs:QHXQkAZ4bccFks/Dxe9vs

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://potunulit.org/

http://hutnilior.net/

http://bulimu55t.net/

http://soryytlic4.net/

http://novanosa5org.org/

http://nuljjjnuli.org/

http://tolilolihul.net/

http://somatoka51hub.net/

http://hujukui3.net/

http://bukubuka1.net/

http://golilopaster.org/

http://newzelannd66.org/

http://otriluyttn.org/

http://aapu.at/tmp/

http://poudineh.com/tmp/

http://firsttrusteedrx.ru/tmp/

http://kingpirate.ru/tmp/

rc4.i32
rc4.i32
rc4.i32
rc4.i32

Extracted

Family

vidar

Version

3.5

Botnet

5c24dc0e9726fcc756a18038ae4e0e67

C2

https://steamcommunity.com/profiles/76561199497218285

https://t.me/tg_duckworld

Attributes
  • profile_id_v2

    5c24dc0e9726fcc756a18038ae4e0e67

  • user_agent

    Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.93 Safari/537.36 Vivaldi/3.7

Extracted

Family

raccoon

Botnet

fc8427198f843d72c1aa8a66db1a98f3

C2

http://91.235.234.235/

xor.plain

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .coty

  • offline_id

    O8Ao46dcCReRPC4I1PGMYsRFFc9WI5eOp0O3MFt1

  • payload_url

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

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

  • ransomnote

    ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-EPBZCVAS8s Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0692JOsie

rsa_pubkey.plain

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

vidar

Version

3.6

Botnet

5cb879265de0011bfc7588d5d251aee6

C2

https://steamcommunity.com/profiles/76561199499188534

https://t.me/nutalse

Attributes
  • profile_id_v2

    5cb879265de0011bfc7588d5d251aee6

  • user_agent

    Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.36

Extracted

Family

amadey

Version

3.70

C2

77.73.134.27/n9kdjc3xSf/index.php

Extracted

Family

redline

Botnet

1379752987

C2

167.235.158.92:13190

Attributes
  • auth_value

    94039ae8b5b0b9ec5346501cc0139461

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.1

Botnet

Default

C2

185.106.94.165:2323

Mutex

flhftndjmhyxqvenrpt

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      f2717c28e33f137ae01af445243f13e12357834fd9fdaf79a63ab74ecc28025d

    • Size

      324KB

    • MD5

      955cfec1f9b1a3b22b80d2d933a5b255

    • SHA1

      c3fd66700bc0832749cea02122ef48739e9df167

    • SHA256

      f2717c28e33f137ae01af445243f13e12357834fd9fdaf79a63ab74ecc28025d

    • SHA512

      184a5abd3b4ee3feea854e01e2688abd7787612e29815aef9707e292d87691375764426dd3906fc27d873820bc8fce2d4ea94b5794f984e33cca0a90c80c14f1

    • SSDEEP

      6144:QHXBmPcTAZ4b6ZXMFVys/wH+W+e9cGbs:QHXQkAZ4bccFks/Dxe9vs

    • 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#.

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Lumma Stealer

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

    • Modifies security service

    • Raccoon

      Raccoon is an infostealer written in C++ and first seen in 2019.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Async RAT payload

    • Downloads MZ/PE file

    • Stops running service(s)

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Accesses 2FA software files, possible credential harvesting

    • 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.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks