45825575d8b4553d97fa72e81cb37b2f83c0c8425c104599687dbf1fe9408e08

General
Target

45825575d8b4553d97fa72e81cb37b2f83c0c8425c104599687dbf1fe9408e08

Size

777KB

Sample

211021-dv62jahge8

Score
10 /10
MD5

f2c607ea5b4c8b6dd422b90476bbd1a1

SHA1

add962fbdb09fc8ad21a9c98aae55bf84b681900

SHA256

45825575d8b4553d97fa72e81cb37b2f83c0c8425c104599687dbf1fe9408e08

SHA512

77c210da44aca919a1bced4cc0fde07a370713da500be76da79b9d13af57de5a39f1d7ae7138685c7ab9be69642bd3dc21e8674d48c56d7b6a660c6f1834e3a4

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

45825575d8b4553d97fa72e81cb37b2f83c0c8425c104599687dbf1fe9408e08

MD5

f2c607ea5b4c8b6dd422b90476bbd1a1

Filesize

777KB

Score
10 /10
SHA1

add962fbdb09fc8ad21a9c98aae55bf84b681900

SHA256

45825575d8b4553d97fa72e81cb37b2f83c0c8425c104599687dbf1fe9408e08

SHA512

77c210da44aca919a1bced4cc0fde07a370713da500be76da79b9d13af57de5a39f1d7ae7138685c7ab9be69642bd3dc21e8674d48c56d7b6a660c6f1834e3a4

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

  • 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