General

  • Target

    6fc53e16ca8bd3ba12b442e2cb427b1db254f5c657566046196257be6e9f4642

  • Size

    250KB

  • Sample

    230323-wvldyabc8t

  • MD5

    05f661d66e351ded5c5b307ea1ae828d

  • SHA1

    5cafb0a578af40ae718ecf08ad9a15c76aafa7b5

  • SHA256

    6fc53e16ca8bd3ba12b442e2cb427b1db254f5c657566046196257be6e9f4642

  • SHA512

    7750aa13aaf57d0878703235e7d0f6f54e489d6dd117f1dc63853686ecb7094837325b517cc7193754a49f5932d5a66eb67c45a7662eaba87368172beb2e21af

  • SSDEEP

    3072:SYAewATHWLoVhBLE/Ck760fWI/3lukgDRnkvpO+3BDowftPIaud5RtVt9:TCkVhBLUC8v+I/VKRkY+3BUQd2

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/

http://hoh0aeghwugh2gie.com/

http://hie7doodohpae4na.com/

http://aek0aicifaloh1yo.com/

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

Extracted

Family

djvu

C2

http://zexeq.com/test2/get.php

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

Attributes
  • extension

    .tywd

  • offline_id

    Yao2o6f5vNghOpgVBhEIA8O96SC5vLcgITgaRMt1

  • payload_url

    http://uaery.top/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-f8UEvx4T0A 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: 0671IsjO

rsa_pubkey.plain

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Botnet

sprg

Extracted

Family

vidar

Version

3.1

Botnet

00d92484c9b27bc8482a2cc94cacc508

C2

https://steamcommunity.com/profiles/76561199472266392

https://t.me/tabootalks

http://135.181.26.183:80

Attributes
  • profile_id_v2

    00d92484c9b27bc8482a2cc94cacc508

  • user_agent

    Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36 OPR/91.0.4516.79

Extracted

Family

amadey

Version

3.65

C2

77.73.134.27/8bmdh3Slb2/index.php

Targets

    • Target

      6fc53e16ca8bd3ba12b442e2cb427b1db254f5c657566046196257be6e9f4642

    • Size

      250KB

    • MD5

      05f661d66e351ded5c5b307ea1ae828d

    • SHA1

      5cafb0a578af40ae718ecf08ad9a15c76aafa7b5

    • SHA256

      6fc53e16ca8bd3ba12b442e2cb427b1db254f5c657566046196257be6e9f4642

    • SHA512

      7750aa13aaf57d0878703235e7d0f6f54e489d6dd117f1dc63853686ecb7094837325b517cc7193754a49f5932d5a66eb67c45a7662eaba87368172beb2e21af

    • SSDEEP

      3072:SYAewATHWLoVhBLE/Ck760fWI/3lukgDRnkvpO+3BDowftPIaud5RtVt9:TCkVhBLUC8v+I/VKRkY+3BUQd2

    • Amadey

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

    • Detected Djvu ransomware

    • Detects PseudoManuscrypt payload

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Process spawned unexpected child process

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

    • PseudoManuscrypt

      PseudoManuscrypt is a malware Lazarus’s Manuscrypt targeting government organizations and ICS.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Deletes itself

    • 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.

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • 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.

    • 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