General

  • Target

    d88b140e3c3887b45ea7ac98065e20db13a6ccbf0c49a83fb4635ba180b6b30f

  • Size

    276KB

  • Sample

    230325-jepp7sdh3z

  • MD5

    b1bb435906e094d7d0897403d8af45e2

  • SHA1

    246a1ad44e6c3ff5c64ee62e06b64ffc650b8812

  • SHA256

    d88b140e3c3887b45ea7ac98065e20db13a6ccbf0c49a83fb4635ba180b6b30f

  • SHA512

    32bf2e8160f31b6eefadd05281302b09c14c51d6f13dbade2b406f15419024b5ea9287b1d41def75f74ee1a1ea67c1f8705951fc3ed496c71402e419a593be55

  • SSDEEP

    3072:cvZ7jq26M6/NN2CHC4mVG/59mr/9OVEr9tiDMmzfWSAvgRCVWN8ae4b:S12aiVmVGcPtpGWSAvgRCVva

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

    .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

Extracted

Family

redline

Botnet

test

C2

45.15.156.16:26932

Attributes
  • auth_value

    1fe82c4644fd896560d0c9116de5b56b

Targets

    • Target

      d88b140e3c3887b45ea7ac98065e20db13a6ccbf0c49a83fb4635ba180b6b30f

    • Size

      276KB

    • MD5

      b1bb435906e094d7d0897403d8af45e2

    • SHA1

      246a1ad44e6c3ff5c64ee62e06b64ffc650b8812

    • SHA256

      d88b140e3c3887b45ea7ac98065e20db13a6ccbf0c49a83fb4635ba180b6b30f

    • SHA512

      32bf2e8160f31b6eefadd05281302b09c14c51d6f13dbade2b406f15419024b5ea9287b1d41def75f74ee1a1ea67c1f8705951fc3ed496c71402e419a593be55

    • SSDEEP

      3072:cvZ7jq26M6/NN2CHC4mVG/59mr/9OVEr9tiDMmzfWSAvgRCVWN8ae4b:S12aiVmVGcPtpGWSAvgRCVva

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Detect rhadamanthys stealer shellcode

    • 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.

    • RedLine

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

    • Rhadamanthys

      Rhadamanthys is an info stealer 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

    • 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