General

  • Target

    setup.exe

  • Size

    224KB

  • Sample

    230331-a879zahd3w

  • MD5

    3d20262f12d885cdf4f22490c9872bff

  • SHA1

    87dae2235db3b3f2c62bd20e1c1df3e5e69b79dd

  • SHA256

    390ad41c3406b2b78a3f5b6b6084544238a11ec343a952c9d542184c79fcb0e5

  • SHA512

    ccf817510175117a2a15acd7b39e5a0810249a39431a6af70e9b75ac9934b6823374fb6d24ecd4586297fa2f51e36b2d94da35238625b92b33fec143c9fdd7fd

  • SSDEEP

    3072:PTNGTMQJQDKCBE8jl5F+q2pwcjPmX23XP8Lzdf7s14cN5XC0sgV/l70:+ZJU5BE4P2Hmzdg14cN5SA

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

    .jywd

  • offline_id

    MEMHlobHgXqvmTWaMsLcwGZhDOd00bblO1yevst1

  • 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-fkW8qLaCVQ 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: 0675JOsie

rsa_pubkey.plain

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

amadey

Version

3.65

C2

77.73.134.27/8bmdh3Slb2/index.php

Extracted

Family

vidar

Version

3.2

Botnet

5df88deb5dde677ba658b77ad5f60248

C2

https://steamcommunity.com/profiles/76561199489580435

https://t.me/tabootalks

Attributes
  • profile_id_v2

    5df88deb5dde677ba658b77ad5f60248

  • 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

      224KB

    • MD5

      3d20262f12d885cdf4f22490c9872bff

    • SHA1

      87dae2235db3b3f2c62bd20e1c1df3e5e69b79dd

    • SHA256

      390ad41c3406b2b78a3f5b6b6084544238a11ec343a952c9d542184c79fcb0e5

    • SHA512

      ccf817510175117a2a15acd7b39e5a0810249a39431a6af70e9b75ac9934b6823374fb6d24ecd4586297fa2f51e36b2d94da35238625b92b33fec143c9fdd7fd

    • SSDEEP

      3072:PTNGTMQJQDKCBE8jl5F+q2pwcjPmX23XP8Lzdf7s14cN5XC0sgV/l70:+ZJU5BE4P2Hmzdg14cN5SA

    • 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.

    • Modifies security service

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • 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

    • 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.

    • 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 SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks