General

  • Target

    22165f1a297bc302dffe252be94d2946ffa0026bc46be9021f6c5a71c45d9e49

  • Size

    796KB

  • Sample

    220430-d9b5psbfhk

  • MD5

    74be6161113fe332e11a2ef71214343e

  • SHA1

    d38c1c319a39a3eedf757d74dcaab06aa4ced157

  • SHA256

    22165f1a297bc302dffe252be94d2946ffa0026bc46be9021f6c5a71c45d9e49

  • SHA512

    338087b9b527b3530b50df5dda421541280ef55a0c1a4a3d48f1e4c28d604ec597f3f1bf79b6080db8aea18a19de4de048a8ce6f97046c153a28d7f39ee6cf6a

Malware Config

Extracted

Family

djvu

C2

http://fuyt.org/test1/get.php

Attributes
  • extension

    .jhbg

  • offline_id

    u8l8S1WNPrtypqzE5TnCErdyo7HLDDCUTJi8Vbt1

  • payload_url

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

    http://fuyt.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://www.filemail.com/d/cckhkpsqjvnbjhf 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@time2mail.ch Reserve e-mail address to contact us: supportsys@airmail.cc Your personal ID: 0460JIjdm

rsa_pubkey.plain

Extracted

Family

vidar

Version

51.8

Botnet

517

C2

https://t.me/mm20220428

https://koyu.space/@ronxik123

Attributes
  • profile_id

    517

Targets

    • Target

      22165f1a297bc302dffe252be94d2946ffa0026bc46be9021f6c5a71c45d9e49

    • Size

      796KB

    • MD5

      74be6161113fe332e11a2ef71214343e

    • SHA1

      d38c1c319a39a3eedf757d74dcaab06aa4ced157

    • SHA256

      22165f1a297bc302dffe252be94d2946ffa0026bc46be9021f6c5a71c45d9e49

    • SHA512

      338087b9b527b3530b50df5dda421541280ef55a0c1a4a3d48f1e4c28d604ec597f3f1bf79b6080db8aea18a19de4de048a8ce6f97046c153a28d7f39ee6cf6a

    • 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

    • suricata: ET MALWARE W32/Agent.OGR!tr.pws Stealer

      suricata: ET MALWARE W32/Agent.OGR!tr.pws Stealer

    • suricata: ET MALWARE Win32/Filecoder.STOP Variant Public Key Download

      suricata: ET MALWARE Win32/Filecoder.STOP Variant Public Key Download

    • suricata: ET MALWARE Win32/Filecoder.STOP Variant Request for Public Key

      suricata: ET MALWARE Win32/Filecoder.STOP Variant Request for Public Key

    • suricata: ET MALWARE Win32/Vodkagats Loader Requesting Payload

      suricata: ET MALWARE Win32/Vodkagats Loader Requesting Payload

    • 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