36aa83fded85b449f0644ac60ba2165c7263ae9681c4b246b974ce888626ea45

General
Target

36aa83fded85b449f0644ac60ba2165c7263ae9681c4b246b974ce888626ea45

Size

781KB

Sample

211021-ydqcnsaff3

Score
10 /10
MD5

61f3cb14c4a1299e15ceb2229344d7dd

SHA1

644569deb0514b99b917789f0f0030e1251edf83

SHA256

36aa83fded85b449f0644ac60ba2165c7263ae9681c4b246b974ce888626ea45

SHA512

d71d8e182101fe56172ffdcbbc3793a41b36028c97adc8861edfb0d6ce494bc637170b9fb761f414d1c1e9a0ba623584073ecc92e9df0e247bc5e88d5ecb20e6

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

36aa83fded85b449f0644ac60ba2165c7263ae9681c4b246b974ce888626ea45

MD5

61f3cb14c4a1299e15ceb2229344d7dd

Filesize

781KB

Score
10 /10
SHA1

644569deb0514b99b917789f0f0030e1251edf83

SHA256

36aa83fded85b449f0644ac60ba2165c7263ae9681c4b246b974ce888626ea45

SHA512

d71d8e182101fe56172ffdcbbc3793a41b36028c97adc8861edfb0d6ce494bc637170b9fb761f414d1c1e9a0ba623584073ecc92e9df0e247bc5e88d5ecb20e6

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