General

  • Target

    a3a021a1b9f590ebba38ae6aab6871af9a5498d64f0c8e80f32bc06dfd105595

  • Size

    201KB

  • Sample

    230408-nyaslsdb73

  • MD5

    e0139ce22e8c0eafa7816ddbef4edf58

  • SHA1

    c85b0fe2eade62b2c3151041b0869e633de3835f

  • SHA256

    a3a021a1b9f590ebba38ae6aab6871af9a5498d64f0c8e80f32bc06dfd105595

  • SHA512

    6c0cbd2469e767793a082d1150bc05b5dffab52730c1f2e4dbfe5615bc3eff0717d615d02a39278f8e8b3053ed54c726b6e443608e47f44ca207f04275b7229f

  • SSDEEP

    3072:7+t6HCodmfl+JPswEyAkwyZasIow+STKaErg51n5ql8RZ:ikHVhUiw6asO3EIn5qE

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

amadey

Version

3.70

C2

77.73.134.27/n9kdjc3xSf/index.php

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .kitz

  • offline_id

    iIlWwF8bQ6n1I71JdbwrJ0LNue9L0IeEoD6KAJt1

  • 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-lEbmgnjBGi 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: 0684JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

3.3

Botnet

b12e0b8009914d9dfb3d1b8ced1d3a65

C2

https://steamcommunity.com/profiles/76561199492257783

https://t.me/justsometg

Attributes
  • profile_id_v2

    b12e0b8009914d9dfb3d1b8ced1d3a65

  • user_agent

    Mozilla/5.0 (X11; Linux 3.5.4-1-ARCH i686; es) KHTML/4.9.1 (like Gecko) Konqueror/4.9

Extracted

Family

jupyter

C2

http://146.70.86.142

Targets

    • Target

      a3a021a1b9f590ebba38ae6aab6871af9a5498d64f0c8e80f32bc06dfd105595

    • Size

      201KB

    • MD5

      e0139ce22e8c0eafa7816ddbef4edf58

    • SHA1

      c85b0fe2eade62b2c3151041b0869e633de3835f

    • SHA256

      a3a021a1b9f590ebba38ae6aab6871af9a5498d64f0c8e80f32bc06dfd105595

    • SHA512

      6c0cbd2469e767793a082d1150bc05b5dffab52730c1f2e4dbfe5615bc3eff0717d615d02a39278f8e8b3053ed54c726b6e443608e47f44ca207f04275b7229f

    • SSDEEP

      3072:7+t6HCodmfl+JPswEyAkwyZasIow+STKaErg51n5ql8RZ:ikHVhUiw6asO3EIn5qE

    • 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.

    • Jupyter, SolarMarker

      Jupyter is a backdoor and infostealer first seen in mid 2020.

    • Modifies security service

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • XMRig Miner payload

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Stops running service(s)

    • Deletes itself

    • Drops startup file

    • 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.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • 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.

    • 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