General

  • Target

    5f3354f2516eed6150c02153c51c811ee1fb01ed640ac93d27314192a0810ddf

  • Size

    853KB

  • Sample

    211129-tez62sfdd4

  • MD5

    cd11bf934dd5e96695902a3d6df4555c

  • SHA1

    fffa8b5ac045d8dd56e9ec615a0fd1ed51a8f8e7

  • SHA256

    5f3354f2516eed6150c02153c51c811ee1fb01ed640ac93d27314192a0810ddf

  • SHA512

    25d595931b3328620386cf8e15772fafa02e2edc82ce45be6f02062f03d6d0f0a26c7621d4e2fa9e0d5ee1524c55191511a8067e1c0c7f8d160e2e67bceaae0d

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

48.7

Botnet

517

C2

https://mstdn.social/@anapa

https://mastodon.social/@mniami

Attributes
  • profile_id

    517

Targets

    • Target

      5f3354f2516eed6150c02153c51c811ee1fb01ed640ac93d27314192a0810ddf

    • Size

      853KB

    • MD5

      cd11bf934dd5e96695902a3d6df4555c

    • SHA1

      fffa8b5ac045d8dd56e9ec615a0fd1ed51a8f8e7

    • SHA256

      5f3354f2516eed6150c02153c51c811ee1fb01ed640ac93d27314192a0810ddf

    • SHA512

      25d595931b3328620386cf8e15772fafa02e2edc82ce45be6f02062f03d6d0f0a26c7621d4e2fa9e0d5ee1524c55191511a8067e1c0c7f8d160e2e67bceaae0d

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • 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