General

  • Target

    51e955c9297fd841aa12fc39dc7b4dc3b7cc290a9641c2a5b343d30e52cda4b7

  • Size

    261KB

  • Sample

    230811-d5by5saf29

  • MD5

    e38981158d083f3d58022cd7a338494b

  • SHA1

    fa0105ffb2632eb3f6bc72ffafaf40f74485371c

  • SHA256

    51e955c9297fd841aa12fc39dc7b4dc3b7cc290a9641c2a5b343d30e52cda4b7

  • SHA512

    fa476cfa1440466260247e1d3d9fd4919be4a12d1489a5bf1ad26187cc34a44762bc0a9353c64d5e6729fddc6b3323bc3965e406115757f7d920e7b587abadb3

  • SSDEEP

    3072:JJ7XOteLkXRzIdy7sbx0tIMz61Lm/X1aK3qPAgXAWjBHB:niWk9Qy7stJUp3qYgXP

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://greenbi.net/tmp/

http://speakdyn.com/tmp/

http://pik96.ru/tmp/

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

Extracted

Family

redline

Botnet

lux3

C2

176.123.9.142:14845

Attributes
  • auth_value

    e94dff9a76da90d6b000642c4a52574b

Extracted

Family

djvu

C2

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

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

Attributes
  • extension

    .yyza

  • offline_id

    UcKp2U8xIAuhirf1rVzlXed6KBYXf0O1WXF2njt1

  • 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-xZJtZ8PDb2 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: 0758JOsie

rsa_pubkey.plain

Extracted

Family

redline

Botnet

LogsDiller Cloud (TG: @logsdillabot)

C2

136.244.98.226:33587

Attributes
  • auth_value

    3a050df92d0cf082b2cdaf87863616be

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

vidar

Version

5.1

Botnet

d2840cabd9794f85353e1fae1cd95a0b

C2

https://t.me/tatlimark

https://steamcommunity.com/profiles/76561199536605936

Attributes
  • profile_id_v2

    d2840cabd9794f85353e1fae1cd95a0b

Targets

    • Target

      51e955c9297fd841aa12fc39dc7b4dc3b7cc290a9641c2a5b343d30e52cda4b7

    • Size

      261KB

    • MD5

      e38981158d083f3d58022cd7a338494b

    • SHA1

      fa0105ffb2632eb3f6bc72ffafaf40f74485371c

    • SHA256

      51e955c9297fd841aa12fc39dc7b4dc3b7cc290a9641c2a5b343d30e52cda4b7

    • SHA512

      fa476cfa1440466260247e1d3d9fd4919be4a12d1489a5bf1ad26187cc34a44762bc0a9353c64d5e6729fddc6b3323bc3965e406115757f7d920e7b587abadb3

    • SSDEEP

      3072:JJ7XOteLkXRzIdy7sbx0tIMz61Lm/X1aK3qPAgXAWjBHB:niWk9Qy7stJUp3qYgXP

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • RedLine

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

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • 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.

    • Accesses 2FA software files, possible credential harvesting

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • 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 v15

Tasks