e417c52096852425403a637e7c7278a391cb5c58a6fd974f81a5d76533a7feb9

General
Target

e417c52096852425403a637e7c7278a391cb5c58a6fd974f81a5d76533a7feb9

Size

781KB

Sample

211021-b9lb9safck

Score
10 /10
MD5

d9d84148ac3a5b309f828065df92699e

SHA1

8906e91af4e799ac5d5096137d53e1ebc7e8ea13

SHA256

e417c52096852425403a637e7c7278a391cb5c58a6fd974f81a5d76533a7feb9

SHA512

d30d08b2584e2d04736a17779c28abb364e1740868da45db76a5ddc7c6b7f40532c424b6949394e7ca302645e74261e96f94299680070801e612ca9f1fd80059

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

e417c52096852425403a637e7c7278a391cb5c58a6fd974f81a5d76533a7feb9

MD5

d9d84148ac3a5b309f828065df92699e

Filesize

781KB

Score
10 /10
SHA1

8906e91af4e799ac5d5096137d53e1ebc7e8ea13

SHA256

e417c52096852425403a637e7c7278a391cb5c58a6fd974f81a5d76533a7feb9

SHA512

d30d08b2584e2d04736a17779c28abb364e1740868da45db76a5ddc7c6b7f40532c424b6949394e7ca302645e74261e96f94299680070801e612ca9f1fd80059

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 System Credentials in Files
  • Accesses 2FA software files, possible credential harvesting

    Tags

    TTPs

    Data from Local System Credentials in Files
  • Accesses cryptocurrency files/wallets, possible credential harvesting

    Tags

    TTPs

    Data from Local System Credentials in Files
  • Adds Run key to start application

    Tags

    TTPs

    Registry Run Keys / Startup Folder Modify 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