General

  • Target

    63c1bb814c3522370eeb803e67664747af7fdb5d057d66b7007739b136c9028f

  • Size

    215KB

  • Sample

    230425-vbrk6sbf25

  • MD5

    47d48d432cffa139836800a6f9f2a831

  • SHA1

    97ae5229d682afd84ae00b5707ce7e9c32a5bf73

  • SHA256

    63c1bb814c3522370eeb803e67664747af7fdb5d057d66b7007739b136c9028f

  • SHA512

    b732a67b1e4e74c42decb79f4360157c7c4906268882b7ddcaa9ab52c075a4483649384ab5a83f5dd753d0b8324b7b054d3dd6b2cd53d86660825a6ff0f37e48

  • SSDEEP

    3072:mno5pcLYHxLbSETU4rKNi7vNRew7Hl+5iAng:tpzbSETU4rKNi7lUUTAg

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

smokeloader

Botnet

pub1

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .foty

  • offline_id

    JFtdCcJoPS9sBORc6lnQV44QG764HrKKynxqdVt1

  • 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-pSlL2pKijh 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: 0696JOsie

rsa_pubkey.plain

Extracted

Family

amadey

Version

3.70

C2

77.73.134.27/n9kdjc3xSf/index.php

Extracted

Family

smokeloader

Botnet

sprg

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

vidar

Version

3.6

Botnet

acfe5a66e11e3bf64369ac07af193354

C2

https://steamcommunity.com/profiles/76561199499188534

https://t.me/nutalse

Attributes
  • profile_id_v2

    acfe5a66e11e3bf64369ac07af193354

  • user_agent

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

Targets

    • Target

      63c1bb814c3522370eeb803e67664747af7fdb5d057d66b7007739b136c9028f

    • Size

      215KB

    • MD5

      47d48d432cffa139836800a6f9f2a831

    • SHA1

      97ae5229d682afd84ae00b5707ce7e9c32a5bf73

    • SHA256

      63c1bb814c3522370eeb803e67664747af7fdb5d057d66b7007739b136c9028f

    • SHA512

      b732a67b1e4e74c42decb79f4360157c7c4906268882b7ddcaa9ab52c075a4483649384ab5a83f5dd753d0b8324b7b054d3dd6b2cd53d86660825a6ff0f37e48

    • SSDEEP

      3072:mno5pcLYHxLbSETU4rKNi7vNRew7Hl+5iAng:tpzbSETU4rKNi7lUUTAg

    • Amadey

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

    • 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

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Stops running service(s)

    • 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 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.

    • Uses the VBS compiler for execution

    • 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 NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks