General

  • Target

    6636f60fbbac1eb2e4983cbbd921cbe9b64d66071a735a7fe843aa93d7948bcb

  • Size

    2.2MB

  • Sample

    240630-jq2txaybpl

  • MD5

    25693670a7f36d30aeb7996337bb94c3

  • SHA1

    1886d3e111cf8529871f73a6b0bdb10df96f5e21

  • SHA256

    6636f60fbbac1eb2e4983cbbd921cbe9b64d66071a735a7fe843aa93d7948bcb

  • SHA512

    3388cdce9d46bb25d06fe046b69914c73f484961177bd7babc0171b5f7d1ad94405a014aee06a9515f451853dbea0abccf707862c6495c4326502932a2572d9a

  • SSDEEP

    49152:qpjNvr9ySAOmw4lHHO+SASagXkJr4MDkUwm:qpjNp7p4lHH8n5A

Malware Config

Extracted

Family

vidar

C2

https://t.me/g067n

https://steamcommunity.com/profiles/76561199707802586

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0

Targets

    • Target

      6636f60fbbac1eb2e4983cbbd921cbe9b64d66071a735a7fe843aa93d7948bcb

    • Size

      2.2MB

    • MD5

      25693670a7f36d30aeb7996337bb94c3

    • SHA1

      1886d3e111cf8529871f73a6b0bdb10df96f5e21

    • SHA256

      6636f60fbbac1eb2e4983cbbd921cbe9b64d66071a735a7fe843aa93d7948bcb

    • SHA512

      3388cdce9d46bb25d06fe046b69914c73f484961177bd7babc0171b5f7d1ad94405a014aee06a9515f451853dbea0abccf707862c6495c4326502932a2572d9a

    • SSDEEP

      49152:qpjNvr9ySAOmw4lHHO+SASagXkJr4MDkUwm:qpjNp7p4lHH8n5A

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

2
T1005

Tasks