5d751a675ee1ee61a7d8d78ccdd263c1375863a4388fff03fe31ae92cbd543d6

General
Target

5d751a675ee1ee61a7d8d78ccdd263c1375863a4388fff03fe31ae92cbd543d6

Size

826KB

Sample

211020-ex46dsgeg4

Score
10 /10
MD5

79be4ff1d0fe195876e0199105e7b190

SHA1

5854b3c38d4626f10882df7c9d7232b8c979a427

SHA256

5d751a675ee1ee61a7d8d78ccdd263c1375863a4388fff03fe31ae92cbd543d6

SHA512

288f48e6ee5f9e860ba1557486a7aa348fc2b9387f97e43c78e4b293638f561e9ffe253d5c584721d64bb8a824a6edbe96b66f553521c54bebe0e8a5a4e76a12

Malware Config

Extracted

Family vidar
Version 41.5
Botnet 517
C2

https://mas.to/@xeroxxx

Attributes
profile_id
517

Extracted

Family djvu
C2

http://rlrz.org/fhsgtsspen6

Targets
Target

5d751a675ee1ee61a7d8d78ccdd263c1375863a4388fff03fe31ae92cbd543d6

MD5

79be4ff1d0fe195876e0199105e7b190

Filesize

826KB

Score
10/10
SHA1

5854b3c38d4626f10882df7c9d7232b8c979a427

SHA256

5d751a675ee1ee61a7d8d78ccdd263c1375863a4388fff03fe31ae92cbd543d6

SHA512

288f48e6ee5f9e860ba1557486a7aa348fc2b9387f97e43c78e4b293638f561e9ffe253d5c584721d64bb8a824a6edbe96b66f553521c54bebe0e8a5a4e76a12

Tags

Signatures

  • Detected Djvu ransomware

  • Djvu Ransomware

    Description

    Ransomware which is a variant of the STOP family.

    Tags

  • Vidar

    Description

    Vidar is an infostealer based on Arkei stealer.

    Tags

  • Vidar Stealer

    Tags

  • Downloads MZ/PE file

  • Executes dropped EXE

  • Loads dropped DLL

  • Modifies file permissions

    Tags

    TTPs

    File Permissions Modification
  • Reads user/profile data of web browsers

    Description

    Infostealers often target stored browser data, which can include saved credentials etc.

    Tags

    TTPs

    Data from Local SystemCredentials in Files
  • Accesses 2FA software files, possible credential harvesting

    Tags

    TTPs

    Data from Local SystemCredentials in Files
  • Accesses cryptocurrency files/wallets, possible credential harvesting

    Tags

    TTPs

    Data from Local SystemCredentials in Files
  • Adds Run key to start application

    Tags

    TTPs

    Registry Run Keys / Startup FolderModify Registry
  • Checks installed software on the system

    Description

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    Tags

    TTPs

    Query Registry
  • Looks up external IP address via web service

    Description

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext

Related Tasks

MITRE ATT&CK Matrix
Command and Control
    Credential Access
    Execution
      Exfiltration
        Impact
          Initial Access
            Lateral Movement
              Privilege Escalation