00d415463bdb91755ae149fa83ce047705bd78f096a0de319f97245b0e34d0f9

General
Target

00d415463bdb91755ae149fa83ce047705bd78f096a0de319f97245b0e34d0f9

Size

850KB

Sample

211020-m47h4ahham

Score
10 /10
MD5

1febbe1220239deeb702274d1ad90001

SHA1

2adfba263a076f658eff1c7fdc5475baf4a53893

SHA256

00d415463bdb91755ae149fa83ce047705bd78f096a0de319f97245b0e34d0f9

SHA512

a5fa1d3e955c7ae7114357b1a39dd6ac25befd877767a5ddd4d36e80788428eaeb57fffb2e7f80f5524945060eb4f6ef9b220ec993a5479dacaf2d606822737c

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

00d415463bdb91755ae149fa83ce047705bd78f096a0de319f97245b0e34d0f9

MD5

1febbe1220239deeb702274d1ad90001

Filesize

850KB

Score
10/10
SHA1

2adfba263a076f658eff1c7fdc5475baf4a53893

SHA256

00d415463bdb91755ae149fa83ce047705bd78f096a0de319f97245b0e34d0f9

SHA512

a5fa1d3e955c7ae7114357b1a39dd6ac25befd877767a5ddd4d36e80788428eaeb57fffb2e7f80f5524945060eb4f6ef9b220ec993a5479dacaf2d606822737c

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