557d05250b90bc08706b269f78dbae75.exe

General
Target

557d05250b90bc08706b269f78dbae75.exe

Size

664KB

Sample

210902-wfdk8d7byx

Score
10 /10
MD5

557d05250b90bc08706b269f78dbae75

SHA1

dbea155a15dbfeb16cd249d72f572b1694d2ea1f

SHA256

9abec502e3a5167e3851de29c80c681de2c6ab879a0c49646f92761018c7987b

SHA512

53676d497b3104fc49e9ebff65012d8cda5d38cc4f4968d5261acf90b60fe9086122e6ae510470b095540a7b35f1f194ea78cfc440d53ecf675197ceeaa9c6fe

Malware Config

Extracted

Family vidar
Version 40.3
Botnet 1008
C2

https://lenko349.tumblr.com/

Attributes
profile_id
1008
Targets
Target

557d05250b90bc08706b269f78dbae75.exe

MD5

557d05250b90bc08706b269f78dbae75

Filesize

664KB

Score
10 /10
SHA1

dbea155a15dbfeb16cd249d72f572b1694d2ea1f

SHA256

9abec502e3a5167e3851de29c80c681de2c6ab879a0c49646f92761018c7987b

SHA512

53676d497b3104fc49e9ebff65012d8cda5d38cc4f4968d5261acf90b60fe9086122e6ae510470b095540a7b35f1f194ea78cfc440d53ecf675197ceeaa9c6fe

Tags

Signatures

  • Vidar

    Description

    Vidar is an infostealer based on Arkei stealer.

    Tags

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

    Description

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

    Tags

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

    Description

    suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

    Tags

  • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

    Description

    suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

    Tags

  • Vidar Stealer

    Tags

  • Downloads MZ/PE file

  • Loads dropped DLL

  • 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
  • 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

Related Tasks

MITRE ATT&CK Matrix
Command and Control
    Credential Access
    Execution
      Exfiltration
        Impact
          Initial Access
            Lateral Movement
              Persistence
                Privilege Escalation
                  Tasks

                  static1

                  behavioral1

                  1/10