General

  • Target

    b1dcbe40b8c9e76486412c5fa3ef326eb1bb0289691e4022ba8dde878816fdf6

  • Size

    249KB

  • Sample

    230331-fsyngsaa7x

  • MD5

    71d7642a17f565f951d4ad1883f65c7b

  • SHA1

    26311d285cdbc64e368afb40f1509e0369314db7

  • SHA256

    b1dcbe40b8c9e76486412c5fa3ef326eb1bb0289691e4022ba8dde878816fdf6

  • SHA512

    bf1a09e6527e7fb775ccff00813dc54a2fdcde3a586541b04d2cbcea743259cbbfbbcebf835dfbdded004b6462994828c5a53cc0d25bbd26077d50e7768da201

  • SSDEEP

    3072:qSs2lQFOot8XlD8RiZROpCRZ6m5C0IDJ6XZpQ5reDT8nugc3XZpxwWM7vy:llQovlDQpYZj5C0KJUzS8T8nGyV

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

rsa_pubkey.plain

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

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

amadey

Version

3.65

C2

77.73.134.27/8bmdh3Slb2/index.php

Targets

    • Target

      b1dcbe40b8c9e76486412c5fa3ef326eb1bb0289691e4022ba8dde878816fdf6

    • Size

      249KB

    • MD5

      71d7642a17f565f951d4ad1883f65c7b

    • SHA1

      26311d285cdbc64e368afb40f1509e0369314db7

    • SHA256

      b1dcbe40b8c9e76486412c5fa3ef326eb1bb0289691e4022ba8dde878816fdf6

    • SHA512

      bf1a09e6527e7fb775ccff00813dc54a2fdcde3a586541b04d2cbcea743259cbbfbbcebf835dfbdded004b6462994828c5a53cc0d25bbd26077d50e7768da201

    • SSDEEP

      3072:qSs2lQFOot8XlD8RiZROpCRZ6m5C0IDJ6XZpQ5reDT8nugc3XZpxwWM7vy:llQovlDQpYZj5C0KJUzS8T8nGyV

    • 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 Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

2
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Impair Defenses

1
T1562

File Permissions Modification

1
T1222

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

5
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Command and Control

Web Service

1
T1102

Impact

Service Stop

1
T1489

Tasks