General

  • Target

    fecf36656a635e93642f7ce51d7a2eae6cfb5036f45680bd646459c871d33f56

  • Size

    664KB

  • Sample

    221006-fb8gcsgda7

  • MD5

    01a4096da858cb71710110bbe6a56cfc

  • SHA1

    95bbbf3e0355f98e8fe38ba08de9b4fbc96ca90a

  • SHA256

    fecf36656a635e93642f7ce51d7a2eae6cfb5036f45680bd646459c871d33f56

  • SHA512

    bcbd5a1819d081c5f5f2d90591bc7dd813f281aca5c44572b6121d4de9edb7a4e364f2883098d532c6eb4f0e6fd554c87338b4fcd82d4df72a651243fc7276a5

  • SSDEEP

    12288:1Z5qK2bVV3rJWt4kstaXeY2yenZEfypP0mF1khKEDgf:1KK2btWPst5Y2yenZRF0mPkhu

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .adww

  • offline_id

    z8lhl4oForVEc7gy9Ra8rSqjYMl3xiFRuIW4not1

  • payload_url

    http://rgyui.top/dl/build2.exe

    http://winnlinne.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-g28rVcqA58 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@bestyourmail.ch Reserve e-mail address to contact us: datarestorehelp@airmail.cc Your personal ID: 0573Jhyjd

rsa_pubkey.plain

Extracted

Family

vidar

Version

54.9

Botnet

517

C2

https://t.me/larsenup

https://ioc.exchange/@zebra54

Attributes
  • profile_id

    517

Targets

    • Target

      fecf36656a635e93642f7ce51d7a2eae6cfb5036f45680bd646459c871d33f56

    • Size

      664KB

    • MD5

      01a4096da858cb71710110bbe6a56cfc

    • SHA1

      95bbbf3e0355f98e8fe38ba08de9b4fbc96ca90a

    • SHA256

      fecf36656a635e93642f7ce51d7a2eae6cfb5036f45680bd646459c871d33f56

    • SHA512

      bcbd5a1819d081c5f5f2d90591bc7dd813f281aca5c44572b6121d4de9edb7a4e364f2883098d532c6eb4f0e6fd554c87338b4fcd82d4df72a651243fc7276a5

    • SSDEEP

      12288:1Z5qK2bVV3rJWt4kstaXeY2yenZEfypP0mF1khKEDgf:1KK2btWPst5Y2yenZRF0mPkhu

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE 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.

    • 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.

    • 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

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Tasks