f3499257cbdf648dcc3c1a25bbf5d61d.exe

General
Target

f3499257cbdf648dcc3c1a25bbf5d61d.exe

Size

663KB

Sample

210902-wkbr19ge5j

Score
10 /10
MD5

f3499257cbdf648dcc3c1a25bbf5d61d

SHA1

5cd11a0ff628ec90334976be4d188299f171360b

SHA256

e3772dff75f0c54d488300728db28432abacffff7485f8da1b05a3f7cf0bc0ae

SHA512

6721e5b34e9eca5431f0dba53e7e9f67a23006f0fd9445e8841b9051eb18288465fa009296230e2fa95f952d59acea4cb8dce95546a84e32c98083bfd4a572c2

Malware Config

Extracted

Family vidar
Version 40.3
Botnet 1008
C2

https://lenko349.tumblr.com/

Attributes
profile_id
1008
Targets
Target

f3499257cbdf648dcc3c1a25bbf5d61d.exe

MD5

f3499257cbdf648dcc3c1a25bbf5d61d

Filesize

663KB

Score
10 /10
SHA1

5cd11a0ff628ec90334976be4d188299f171360b

SHA256

e3772dff75f0c54d488300728db28432abacffff7485f8da1b05a3f7cf0bc0ae

SHA512

6721e5b34e9eca5431f0dba53e7e9f67a23006f0fd9445e8841b9051eb18288465fa009296230e2fa95f952d59acea4cb8dce95546a84e32c98083bfd4a572c2

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

  • Deletes itself

  • 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