General

  • Target

    3bbed62dd67c2832fa6775098aad23a8cae45b4ff6d9e838bd74957ebaab4e9d

  • Size

    266KB

  • Sample

    230327-3vl4ssfh66

  • MD5

    043232c36cc78a5f34a62b23f316e3df

  • SHA1

    60e819b431d4bc313e72ee8d9625ef2bd32ae65c

  • SHA256

    3bbed62dd67c2832fa6775098aad23a8cae45b4ff6d9e838bd74957ebaab4e9d

  • SHA512

    3adebc308cb46df558c8328e91dc5f37191bba00a17913c3f3f0419ba3d9067ae5261dab3569370d6d906105f98e07fc8141b3c4f56c725336c5e966f7cf2cfd

  • SSDEEP

    6144:FN5yqeMJL1Uyzh1huy5JvsD0kmeCKtFI9k2k+:9yMJRUyl1rED02tFIVk+

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/

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: support@freshmail.top Reserve e-mail address to contact us: datarestorehelp@airmail.cc Your personal ID: 0675JOsie

rsa_pubkey.plain

Extracted

Family

smokeloader

Botnet

pub1

Targets

    • Target

      3bbed62dd67c2832fa6775098aad23a8cae45b4ff6d9e838bd74957ebaab4e9d

    • Size

      266KB

    • MD5

      043232c36cc78a5f34a62b23f316e3df

    • SHA1

      60e819b431d4bc313e72ee8d9625ef2bd32ae65c

    • SHA256

      3bbed62dd67c2832fa6775098aad23a8cae45b4ff6d9e838bd74957ebaab4e9d

    • SHA512

      3adebc308cb46df558c8328e91dc5f37191bba00a17913c3f3f0419ba3d9067ae5261dab3569370d6d906105f98e07fc8141b3c4f56c725336c5e966f7cf2cfd

    • SSDEEP

      6144:FN5yqeMJL1Uyzh1huy5JvsD0kmeCKtFI9k2k+:9yMJRUyl1rED02tFIVk+

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies file permissions

    • Adds Run key to start application

    • 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 Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

File Permissions Modification

1
T1222

Modify Registry

1
T1112

Discovery

Query Registry

2
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Tasks