38911964dcd075508c459254ad27517d.exe

General
Target

38911964dcd075508c459254ad27517d.exe

Size

771KB

Sample

210722-qf5cxtmqs2

Score
10 /10
MD5

38911964dcd075508c459254ad27517d

SHA1

22c468c8d5efd3a5950ff1b28dbfa47b0a42f842

SHA256

efd055ee7d3d09c7211dd6aceef64f42ff62d01edf0105d06d77d0b92411bedc

SHA512

8e5cce82d2e222bf1fef8027533a17564041206d29611192cfe65c2a194a2bf8aa0be4d9414672a4361b43ec091d070267df6d806b932d96a9c2a6e292740971

Malware Config

Extracted

Family vidar
Version 39.6
Botnet 517
C2

https://sslamlssa1.tumblr.com/

Attributes
profile_id
517
Targets
Target

38911964dcd075508c459254ad27517d.exe

MD5

38911964dcd075508c459254ad27517d

Filesize

771KB

Score
10 /10
SHA1

22c468c8d5efd3a5950ff1b28dbfa47b0a42f842

SHA256

efd055ee7d3d09c7211dd6aceef64f42ff62d01edf0105d06d77d0b92411bedc

SHA512

8e5cce82d2e222bf1fef8027533a17564041206d29611192cfe65c2a194a2bf8aa0be4d9414672a4361b43ec091d070267df6d806b932d96a9c2a6e292740971

Tags

Signatures

  • 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