6b2cb6aa3ef0dd2872218eb6173bca405004cdbccf0ff672409904a9f2eea541

General
Target

6b2cb6aa3ef0dd2872218eb6173bca405004cdbccf0ff672409904a9f2eea541

Size

851KB

Sample

211020-k58rfaggg9

Score
10 /10
MD5

4501875b44f7509aaf7f3915003a8ca3

SHA1

fd26682b0cf7886dceae4908a0002074cb6eea3e

SHA256

6b2cb6aa3ef0dd2872218eb6173bca405004cdbccf0ff672409904a9f2eea541

SHA512

0d0af53bacdb7886e1a928ec3799eeec499a8f3d1f548f8b7ea3a428540d33fe31338837105f5e55a1deea3dcfa2571a71ac134b00e22f1a47337f1eae1ec630

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

6b2cb6aa3ef0dd2872218eb6173bca405004cdbccf0ff672409904a9f2eea541

MD5

4501875b44f7509aaf7f3915003a8ca3

Filesize

851KB

Score
10/10
SHA1

fd26682b0cf7886dceae4908a0002074cb6eea3e

SHA256

6b2cb6aa3ef0dd2872218eb6173bca405004cdbccf0ff672409904a9f2eea541

SHA512

0d0af53bacdb7886e1a928ec3799eeec499a8f3d1f548f8b7ea3a428540d33fe31338837105f5e55a1deea3dcfa2571a71ac134b00e22f1a47337f1eae1ec630

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