9478418b0a458f1a2c94ee2e61bf9c30f201f64fd02fc0a0406e13980f8df8a4

General
Target

9478418b0a458f1a2c94ee2e61bf9c30f201f64fd02fc0a0406e13980f8df8a4

Size

758KB

Sample

210727-lewjfxkqwj

Score
10 /10
MD5

226477557499248c71c770e7cf4ea6aa

SHA1

9bee0ec9696074ee8bb486fc50e252e7bed0ef72

SHA256

9478418b0a458f1a2c94ee2e61bf9c30f201f64fd02fc0a0406e13980f8df8a4

SHA512

391dcc449e95d6dbf391b26fa8bc4857f2738f4964d969f10470c4b566dd0211e32af19bca87273096f9155a7398bca1207392e790c3c0c189c92732618320ab

Malware Config

Extracted

Family vidar
Version 39.7
Botnet 517
C2

https://shpak125.tumblr.com/

Attributes
profile_id
517
Targets
Target

9478418b0a458f1a2c94ee2e61bf9c30f201f64fd02fc0a0406e13980f8df8a4

MD5

226477557499248c71c770e7cf4ea6aa

Filesize

758KB

Score
10 /10
SHA1

9bee0ec9696074ee8bb486fc50e252e7bed0ef72

SHA256

9478418b0a458f1a2c94ee2e61bf9c30f201f64fd02fc0a0406e13980f8df8a4

SHA512

391dcc449e95d6dbf391b26fa8bc4857f2738f4964d969f10470c4b566dd0211e32af19bca87273096f9155a7398bca1207392e790c3c0c189c92732618320ab

Tags

Signatures

  • Vidar

    Description

    Vidar is an infostealer based on Arkei stealer.

    Tags

  • suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

    Tags

  • suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

    Tags

  • suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

    Tags

  • 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
                Tasks