General
Target

303c77d3ffb1aa1a50884da773ce6eed6154f954e7b40a1821c82078877b1691

Size

781KB

Sample

211019-2hqqsahchq

Score
10/10
MD5

19004ed6f0e48287dde8d9adb0355812

SHA1

d39fcfeb867be60509feb15c6f0801e66a9d9aab

SHA256

303c77d3ffb1aa1a50884da773ce6eed6154f954e7b40a1821c82078877b1691

SHA512

318da044ffd7cb64b95d67980c36411e17544f01cebfc9475ce3701c20464cbf14258ffdd790eece449c9317f24a7cbdd2e8735b14a9bf5340e7bac5f572a879

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

303c77d3ffb1aa1a50884da773ce6eed6154f954e7b40a1821c82078877b1691

MD5

19004ed6f0e48287dde8d9adb0355812

Filesize

781KB

Score
10/10
SHA1

d39fcfeb867be60509feb15c6f0801e66a9d9aab

SHA256

303c77d3ffb1aa1a50884da773ce6eed6154f954e7b40a1821c82078877b1691

SHA512

318da044ffd7cb64b95d67980c36411e17544f01cebfc9475ce3701c20464cbf14258ffdd790eece449c9317f24a7cbdd2e8735b14a9bf5340e7bac5f572a879

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

  • suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

    Description

    suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

    Tags

  • suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

    Description

    suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

    Tags

  • suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

    Description

    suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

    Tags

  • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

    Description

    suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

    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
                Tasks

                static1

                Score
                N/A