General

  • Target

    e3f045057676227b771a2c9d35ebd1a37fbae9a8b9e4b0a84efc42f2ba6d77cd

  • Size

    708KB

  • Sample

    211130-cmyjragdd4

  • MD5

    f95cbcc906e8890abd3c4e23ecc86ac4

  • SHA1

    0205bcb4ce0195962dc006ae1f7b618f9f9011ee

  • SHA256

    e3f045057676227b771a2c9d35ebd1a37fbae9a8b9e4b0a84efc42f2ba6d77cd

  • SHA512

    99603cd79dae33673d2b539869ca5142ad0709e5a8e45f36ce648c8fd5326b174201ceed493f509b41cc91c1f41e0ad9105b1ff1a95dd138c97da139845e6e62

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

      e3f045057676227b771a2c9d35ebd1a37fbae9a8b9e4b0a84efc42f2ba6d77cd

    • Size

      708KB

    • MD5

      f95cbcc906e8890abd3c4e23ecc86ac4

    • SHA1

      0205bcb4ce0195962dc006ae1f7b618f9f9011ee

    • SHA256

      e3f045057676227b771a2c9d35ebd1a37fbae9a8b9e4b0a84efc42f2ba6d77cd

    • SHA512

      99603cd79dae33673d2b539869ca5142ad0709e5a8e45f36ce648c8fd5326b174201ceed493f509b41cc91c1f41e0ad9105b1ff1a95dd138c97da139845e6e62

    • 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