General

  • Target

    dc8fdc01fd2f1eeb3df97611e1046f6581cfd958227a23aedfe30287bfba6621

  • Size

    273KB

  • Sample

    230325-x4cntseb27

  • MD5

    3ff183f02142f2a8bb64a97fd2d61dd2

  • SHA1

    2068720015070ffe2ce602cb3f3b22a836c938f4

  • SHA256

    dc8fdc01fd2f1eeb3df97611e1046f6581cfd958227a23aedfe30287bfba6621

  • SHA512

    9f1aa1a1ab2c72882f00c5612c9c791dc8de4edc3d7051a5dacb0879b0281bb88da4e7bc2f09a0399fc1e4363651f79a1d143ed86ea9481be567cc0ccd3d8423

  • SSDEEP

    3072:CO+Vf7LTRyA5FAZvpCmbk8CwAkcVwaDz71RvSYL+P+VjyEqb5s1SrCJQN0fm2Rh:4NyArEbk8YRhLe+VjnP17Tfz

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

djvu

C2

http://zexeq.com/test2/get.php

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

Attributes
  • extension

    .tywd

  • offline_id

    Yao2o6f5vNghOpgVBhEIA8O96SC5vLcgITgaRMt1

  • 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-f8UEvx4T0A 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: 0671IsjO

rsa_pubkey.plain

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Botnet

sprg

Extracted

Family

amadey

Version

3.65

C2

77.73.134.27/8bmdh3Slb2/index.php

Extracted

Family

vidar

Version

3.1

Botnet

00d92484c9b27bc8482a2cc94cacc508

C2

https://steamcommunity.com/profiles/76561199472266392

https://t.me/tabootalks

http://135.181.26.183:80

Attributes
  • profile_id_v2

    00d92484c9b27bc8482a2cc94cacc508

  • 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

      dc8fdc01fd2f1eeb3df97611e1046f6581cfd958227a23aedfe30287bfba6621

    • Size

      273KB

    • MD5

      3ff183f02142f2a8bb64a97fd2d61dd2

    • SHA1

      2068720015070ffe2ce602cb3f3b22a836c938f4

    • SHA256

      dc8fdc01fd2f1eeb3df97611e1046f6581cfd958227a23aedfe30287bfba6621

    • SHA512

      9f1aa1a1ab2c72882f00c5612c9c791dc8de4edc3d7051a5dacb0879b0281bb88da4e7bc2f09a0399fc1e4363651f79a1d143ed86ea9481be567cc0ccd3d8423

    • SSDEEP

      3072:CO+Vf7LTRyA5FAZvpCmbk8CwAkcVwaDz71RvSYL+P+VjyEqb5s1SrCJQN0fm2Rh:4NyArEbk8YRhLe+VjnP17Tfz

    • 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.

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • 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 Microsoft Outlook profiles

    • 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 NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks