General

  • Target

    5c36f38313451fe2d95282c0d03af2e47858d35b3a5aef46b1a71bb4075316fe

  • Size

    665KB

  • Sample

    230221-xy5sesaa4w

  • MD5

    634fe02874d26b4fa1331bf93b20abdf

  • SHA1

    212760f2b3d81f9e20bac426807eac6e8c3070f2

  • SHA256

    5c36f38313451fe2d95282c0d03af2e47858d35b3a5aef46b1a71bb4075316fe

  • SHA512

    463c25d83b5ce0c337dfc5328b6ce6d17c418f01c55cd095d989676b88dea4e681584bfb653e8bac6c10cee9e813b9a1705028fe4732647440c0c75c2cc16e1e

  • SSDEEP

    12288:4NiUE+vTkxqhicXt/zak7ICvuX6WMYNwKXCJG/Hl8pqYfnf:4NdJQodF2Cv1WP+M2GPAqYff

Malware Config

Extracted

Family

djvu

C2

http://jiqaz.com/test2/get.php

Attributes
  • extension

    .ioqa

  • offline_id

    O5Ml6uMfuo0gYusk48e0q49EQlFERyL5eSVQmVt1

  • payload_url

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

    http://jiqaz.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-vdhH9Qcpjj 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: 0650JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

2.6

Botnet

19

Attributes
  • profile_id

    19

Targets

    • Target

      5c36f38313451fe2d95282c0d03af2e47858d35b3a5aef46b1a71bb4075316fe

    • Size

      665KB

    • MD5

      634fe02874d26b4fa1331bf93b20abdf

    • SHA1

      212760f2b3d81f9e20bac426807eac6e8c3070f2

    • SHA256

      5c36f38313451fe2d95282c0d03af2e47858d35b3a5aef46b1a71bb4075316fe

    • SHA512

      463c25d83b5ce0c337dfc5328b6ce6d17c418f01c55cd095d989676b88dea4e681584bfb653e8bac6c10cee9e813b9a1705028fe4732647440c0c75c2cc16e1e

    • SSDEEP

      12288:4NiUE+vTkxqhicXt/zak7ICvuX6WMYNwKXCJG/Hl8pqYfnf:4NdJQodF2Cv1WP+M2GPAqYff

    • 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

    • 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.

    • 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

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

3
T1005

Tasks