34bd96b36aa928eba8c112c3ae85924b58e446296a144965310147477bb4cc03

General
Target

34bd96b36aa928eba8c112c3ae85924b58e446296a144965310147477bb4cc03

Size

851KB

Sample

211020-qtft6saack

Score
10 /10
MD5

80ca42f1f48e4869f5eb96ea43213ec3

SHA1

6a3b3384dfd30fc29a7fe14b7d5b2383861f21e7

SHA256

34bd96b36aa928eba8c112c3ae85924b58e446296a144965310147477bb4cc03

SHA512

023176b9a07d08a07cdefa857c1f5ac3e5b72d5cadae264dc7964a5431e6c7c6c96dd2224f24d7d3fc9e4c11d1cf6c01f75aa57d817208129e3fa001b78b8072

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

34bd96b36aa928eba8c112c3ae85924b58e446296a144965310147477bb4cc03

MD5

80ca42f1f48e4869f5eb96ea43213ec3

Filesize

851KB

Score
10/10
SHA1

6a3b3384dfd30fc29a7fe14b7d5b2383861f21e7

SHA256

34bd96b36aa928eba8c112c3ae85924b58e446296a144965310147477bb4cc03

SHA512

023176b9a07d08a07cdefa857c1f5ac3e5b72d5cadae264dc7964a5431e6c7c6c96dd2224f24d7d3fc9e4c11d1cf6c01f75aa57d817208129e3fa001b78b8072

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