6b7829cb6f27c9382e48822f36ce2b03.exe

General
Target

6b7829cb6f27c9382e48822f36ce2b03.exe

Size

859KB

Sample

210610-mx8jqg69zn

Score
10 /10
MD5

6b7829cb6f27c9382e48822f36ce2b03

SHA1

190cd052a6de77dfa081172a7917dde892632d97

SHA256

3e4676b65c821a9509ba52b43e12248a75cc8f68b212d9852786cc6424003d60

SHA512

3a1f2edd75ed62939cfe4a3becef1cf844fbd9e04786e007f13688812dd8f292561b2092153f1ab19d46fa1a20163805184ddbdea9dda8dbc23963525362909b

Malware Config

Extracted

Family vidar
Version 39.3
Botnet 517
C2

https://bandakere.tumblr.com/

Attributes
profile_id
517
Targets
Target

6b7829cb6f27c9382e48822f36ce2b03.exe

MD5

6b7829cb6f27c9382e48822f36ce2b03

Filesize

859KB

Score
10 /10
SHA1

190cd052a6de77dfa081172a7917dde892632d97

SHA256

3e4676b65c821a9509ba52b43e12248a75cc8f68b212d9852786cc6424003d60

SHA512

3a1f2edd75ed62939cfe4a3becef1cf844fbd9e04786e007f13688812dd8f292561b2092153f1ab19d46fa1a20163805184ddbdea9dda8dbc23963525362909b

Tags

Signatures

  • Deletes Windows Defender Definitions

    Description

    Uses mpcmdrun utility to delete all AV definitions.

    Tags

    TTPs

    Command-Line Interface
  • Detected Djvu ransomeware

  • 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

  • Disables Task Manager via registry modification

    Tags

  • Downloads MZ/PE file

  • Drops file in Drivers directory

  • 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
    Exfiltration
      Impact
        Initial Access
          Lateral Movement
            Privilege Escalation