80bc1e0d96c91b6b265751dbe8abb057c5070985c0a945119b310ccd150f9e37

General
Target

80bc1e0d96c91b6b265751dbe8abb057c5070985c0a945119b310ccd150f9e37

Size

850KB

Sample

211020-gqrylahfar

Score
10 /10
MD5

fde616f1309fb53663aaa5c1c7a261d7

SHA1

22e1644c7f6b17f1d290b1ec8fcafc8c40b87a94

SHA256

80bc1e0d96c91b6b265751dbe8abb057c5070985c0a945119b310ccd150f9e37

SHA512

66c779c4c28ac654a48b20f5af265ef3fc3718c9c75fd21246b5d69644b4a74b1e27baaeb5e81d18732e60187837aa1418507b0c97f741da61370768961bfa00

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

80bc1e0d96c91b6b265751dbe8abb057c5070985c0a945119b310ccd150f9e37

MD5

fde616f1309fb53663aaa5c1c7a261d7

Filesize

850KB

Score
10/10
SHA1

22e1644c7f6b17f1d290b1ec8fcafc8c40b87a94

SHA256

80bc1e0d96c91b6b265751dbe8abb057c5070985c0a945119b310ccd150f9e37

SHA512

66c779c4c28ac654a48b20f5af265ef3fc3718c9c75fd21246b5d69644b4a74b1e27baaeb5e81d18732e60187837aa1418507b0c97f741da61370768961bfa00

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