51db2066dbf004ccc875dac57272043c66509ee5ec918fa2107fec93f5940a74

General
Target

51db2066dbf004ccc875dac57272043c66509ee5ec918fa2107fec93f5940a74

Size

781KB

Sample

211021-wy8cwaafb2

Score
10 /10
MD5

f2faf05a926051123c391339c2c327ed

SHA1

8e6c2af07dcf04a4a60e0f3b1e5f8d1ba8c98665

SHA256

51db2066dbf004ccc875dac57272043c66509ee5ec918fa2107fec93f5940a74

SHA512

570ba7b0ee507a2ea4551f73e3c32c900197a8f2e33e9d884c41d4123b13fef7ddaab6d3a03056512d9f760b1ad6ecadd80cf29dc869621a7613edea876fc9e7

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

51db2066dbf004ccc875dac57272043c66509ee5ec918fa2107fec93f5940a74

MD5

f2faf05a926051123c391339c2c327ed

Filesize

781KB

Score
10 /10
SHA1

8e6c2af07dcf04a4a60e0f3b1e5f8d1ba8c98665

SHA256

51db2066dbf004ccc875dac57272043c66509ee5ec918fa2107fec93f5940a74

SHA512

570ba7b0ee507a2ea4551f73e3c32c900197a8f2e33e9d884c41d4123b13fef7ddaab6d3a03056512d9f760b1ad6ecadd80cf29dc869621a7613edea876fc9e7

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 System Credentials in Files
  • Accesses 2FA software files, possible credential harvesting

    Tags

    TTPs

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

    Tags

    TTPs

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

    Tags

    TTPs

    Registry Run Keys / Startup Folder Modify 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