General

  • Target

    a483b543c649a22a2f08db3f1ea035e98b6d6e16b1d83a2b19db74d8714a221e

  • Size

    781KB

  • Sample

    211202-dahhfaadej

  • MD5

    9f137a2d8a14e9b50ffb55e16a5f78d2

  • SHA1

    242321e9104b72bee5ef5ed393fbfa690466629c

  • SHA256

    a483b543c649a22a2f08db3f1ea035e98b6d6e16b1d83a2b19db74d8714a221e

  • SHA512

    a626be8a6749e38a6a58980ab815fe44a2a7b63478e66514183e8d2ec6a74adf3065b8e6e73e8ecdb744708c9b962ce99884c2746714b57fc09882869ba02eea

Malware Config

Extracted

Family

djvu

C2

http://tzgl.org/fhsgtsspen6/get.php

Attributes
  • extension

    .moia

  • offline_id

    K3PMMX2aWwpnYby88Dzg7tmaIW7Tv0HMWvSyr7t1

  • payload_url

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

    http://tzgl.org/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-rIyEiK9ekc 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: manager@mailtemp.ch Reserve e-mail address to contact us: helprestoremanager@airmail.cc Your personal ID: 0355gSd743d

rsa_pubkey.plain

Extracted

Family

vidar

Version

48.9

Botnet

517

C2

https://qoto.org/@mniami

https://noc.social/@menaomi

Attributes
  • profile_id

    517

Targets

    • Target

      a483b543c649a22a2f08db3f1ea035e98b6d6e16b1d83a2b19db74d8714a221e

    • Size

      781KB

    • MD5

      9f137a2d8a14e9b50ffb55e16a5f78d2

    • SHA1

      242321e9104b72bee5ef5ed393fbfa690466629c

    • SHA256

      a483b543c649a22a2f08db3f1ea035e98b6d6e16b1d83a2b19db74d8714a221e

    • SHA512

      a626be8a6749e38a6a58980ab815fe44a2a7b63478e66514183e8d2ec6a74adf3065b8e6e73e8ecdb744708c9b962ce99884c2746714b57fc09882869ba02eea

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

      suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

    • Vidar 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

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

File Permissions Modification

1
T1222

Modify Registry

2
T1112

Install Root Certificate

1
T1130

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