General

  • Target

    setup.exe

  • Size

    272KB

  • Sample

    230326-bl9pysfa25

  • MD5

    296ae66b66833f95a296c6137e19d48d

  • SHA1

    2eef5083609f01fc3f8f1b1dcadc9b2622bd1d56

  • SHA256

    3f254554cff8dc2b0365505917ebef45c430936bceb0c91b2ad69a9ff276d36f

  • SHA512

    e90a1a0620ee8b97c824e2f94c71067ed512d5f7954846a893998307ed7383a9a8120cc584d082661b5153573a26a329f1c94ee0bad1073d2ccb474dfa2fb194

  • SSDEEP

    3072:C9L6okrCRs30bAFv0Lapk8GfrhQYgUKJkT1DLCD1Sg9uCvAbvXppuaVuRU7CJQN1:YRs3oSpk8UgUKiT1/M1SknAFpdeTf2

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

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

amadey

Version

3.65

C2

77.73.134.27/8bmdh3Slb2/index.php

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

Targets

    • Target

      setup.exe

    • Size

      272KB

    • MD5

      296ae66b66833f95a296c6137e19d48d

    • SHA1

      2eef5083609f01fc3f8f1b1dcadc9b2622bd1d56

    • SHA256

      3f254554cff8dc2b0365505917ebef45c430936bceb0c91b2ad69a9ff276d36f

    • SHA512

      e90a1a0620ee8b97c824e2f94c71067ed512d5f7954846a893998307ed7383a9a8120cc584d082661b5153573a26a329f1c94ee0bad1073d2ccb474dfa2fb194

    • SSDEEP

      3072:C9L6okrCRs30bAFv0Lapk8GfrhQYgUKJkT1DLCD1Sg9uCvAbvXppuaVuRU7CJQN1:YRs3oSpk8UgUKiT1/M1SknAFpdeTf2

    • Amadey

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

    • Detect rhadamanthys stealer shellcode

    • Detected Djvu ransomware

    • 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.

    • Rhadamanthys

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

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • 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.

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks