General

  • Target

    31614fc451e14451205a073564584242dff0f6ada7959735b099303032281d95

  • Size

    344KB

  • Sample

    230429-j2qwsaac76

  • MD5

    385760657f7547791531585106ad0432

  • SHA1

    265d1f0c4ac7e2a0c88d913ccb6e3a4ff30c76f8

  • SHA256

    31614fc451e14451205a073564584242dff0f6ada7959735b099303032281d95

  • SHA512

    4b52abf16e8354eb7c28fc999bdeb2046806c029d68c07dede0551e49c462167f9cfe6126c88b644ba658b8ccedf7d454ed776b8ee3712f194e0bceba0e7d32a

  • SSDEEP

    3072:pO1xZxsU/l3mcY4BUgm7Retjv4w6vRYbQzPru0XLhJY2nXlJopeGOPfUD5F:A1Ou5Tfm7MJ6cQzzBK2XlJope1fq

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

smokeloader

Botnet

pub1

Extracted

Family

amadey

Version

3.70

C2

77.73.134.27/n9kdjc3xSf/index.php

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

vidar

Version

3.6

Botnet

1616034f091df9fd0229bc38dd17597f

C2

https://steamcommunity.com/profiles/76561199499188534

https://t.me/nutalse

Attributes
  • profile_id_v2

    1616034f091df9fd0229bc38dd17597f

  • 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

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

Targets

    • Target

      31614fc451e14451205a073564584242dff0f6ada7959735b099303032281d95

    • Size

      344KB

    • MD5

      385760657f7547791531585106ad0432

    • SHA1

      265d1f0c4ac7e2a0c88d913ccb6e3a4ff30c76f8

    • SHA256

      31614fc451e14451205a073564584242dff0f6ada7959735b099303032281d95

    • SHA512

      4b52abf16e8354eb7c28fc999bdeb2046806c029d68c07dede0551e49c462167f9cfe6126c88b644ba658b8ccedf7d454ed776b8ee3712f194e0bceba0e7d32a

    • SSDEEP

      3072:pO1xZxsU/l3mcY4BUgm7Retjv4w6vRYbQzPru0XLhJY2nXlJopeGOPfUD5F:A1Ou5Tfm7MJ6cQzzBK2XlJope1fq

    • 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.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • 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

    • 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.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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