General

  • Target

    526.exe

  • Size

    328KB

  • Sample

    230519-x7trhsff63

  • MD5

    a8194b7a6f02ea7ff292cd775535cc34

  • SHA1

    601c746c3b90aa55208ab7058f0472ca674f84b3

  • SHA256

    a73974aeb5bb412d8131ca7db4f5405b63a40e1cd5abb52028cc224be7fd9f4e

  • SHA512

    802cafcb5c6707923832a2ebcc7043acfd364067740abff4fb5977f0ffa53ab3ead3e5ad0018c213412b453ea06ce8690d7e0bc3c8a959f16340e373721445ad

  • SSDEEP

    6144:UnNWR6CbUwL19zac8TN8IXfZYPQxqT+8m:h6CbUwL19zahx8IvmM6+

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://toobussy.com/tmp/

http://wuc11.com/tmp/

http://ladogatur.ru/tmp/

http://kingpirate.ru/tmp/

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

Extracted

Family

djvu

C2

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

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

Attributes
  • extension

    .gapo

  • offline_id

    jB2aJtVEWRwbJf76a6OKB8sn0BtTgNlHYUC5wLt1

  • 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-sD0OUYo1Pd 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: 0713JOsie

rsa_pubkey.plain
rsa_pubkey.plain

Extracted

Family

amadey

Version

3.67

C2

45.9.74.80/0bjdn2Z/index.php

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

vidar

Version

3.9

Botnet

9dfa7ee730fa2f1efb5ed51dbbec22f5

C2

https://steamcommunity.com/profiles/76561199263069598

https://t.me/cybehost

Attributes
  • profile_id_v2

    9dfa7ee730fa2f1efb5ed51dbbec22f5

  • user_agent

    Mozilla/5.0 (compatible; Konqueror/3.5; Linux) KHTML/3.5.7 (like Gecko) (Debian)

Extracted

Family

vidar

Version

3.9

Botnet

379b0d0a9ef2b4ae960ec452f90e3e8b

C2

https://steamcommunity.com/profiles/76561199263069598

https://t.me/cybehost

Attributes
  • profile_id_v2

    379b0d0a9ef2b4ae960ec452f90e3e8b

  • user_agent

    Mozilla/5.0 (compatible; Konqueror/3.5; Linux) KHTML/3.5.7 (like Gecko) (Debian)

Targets

    • Target

      526.exe

    • Size

      328KB

    • MD5

      a8194b7a6f02ea7ff292cd775535cc34

    • SHA1

      601c746c3b90aa55208ab7058f0472ca674f84b3

    • SHA256

      a73974aeb5bb412d8131ca7db4f5405b63a40e1cd5abb52028cc224be7fd9f4e

    • SHA512

      802cafcb5c6707923832a2ebcc7043acfd364067740abff4fb5977f0ffa53ab3ead3e5ad0018c213412b453ea06ce8690d7e0bc3c8a959f16340e373721445ad

    • SSDEEP

      6144:UnNWR6CbUwL19zac8TN8IXfZYPQxqT+8m:h6CbUwL19zahx8IvmM6+

    • 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.

    • 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