2d9b9192977ba713103c2043f4e79e66ed7d3203a5b089bf56eefa4abbc79c7c

General
Target

2d9b9192977ba713103c2043f4e79e66ed7d3203a5b089bf56eefa4abbc79c7c

Size

781KB

Sample

211021-dcawdaafeq

Score
10 /10
MD5

260881d1b6692e8904dc178e7df8a0b0

SHA1

7e2feadc2ac3086461c4163b8e519583b13efdbf

SHA256

2d9b9192977ba713103c2043f4e79e66ed7d3203a5b089bf56eefa4abbc79c7c

SHA512

49f17914a312326654c6f63ebac94759f1412a8a7a6f16240c488f7080f4efce7096e7fad6edbd0b6d83f2c5a3783018e92b327ba599e78137b0721c608e6b99

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

2d9b9192977ba713103c2043f4e79e66ed7d3203a5b089bf56eefa4abbc79c7c

MD5

260881d1b6692e8904dc178e7df8a0b0

Filesize

781KB

Score
10/10
SHA1

7e2feadc2ac3086461c4163b8e519583b13efdbf

SHA256

2d9b9192977ba713103c2043f4e79e66ed7d3203a5b089bf56eefa4abbc79c7c

SHA512

49f17914a312326654c6f63ebac94759f1412a8a7a6f16240c488f7080f4efce7096e7fad6edbd0b6d83f2c5a3783018e92b327ba599e78137b0721c608e6b99

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