General

  • Target

    2add711ca974a123872d33093f032579d664931674453ca52cf368db38cd9232

  • Size

    2.2MB

  • Sample

    240630-18cfea1app

  • MD5

    6ebb6ce93430a786285ccf8ae2eb0a98

  • SHA1

    7d870ff876b1d62242536b782bb0b9df03884f20

  • SHA256

    2add711ca974a123872d33093f032579d664931674453ca52cf368db38cd9232

  • SHA512

    078c2be2a994d1b382b360b6c30c2741c8c5d1357f21ae12b885d8ae067f968407d6038d5f798ea500af0556ac97add18b293c453d74084e5da5b82ed2afe354

  • SSDEEP

    24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgXXeU2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MPd21tuuIeNHYGY0LzjsJxK

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

      2add711ca974a123872d33093f032579d664931674453ca52cf368db38cd9232

    • Size

      2.2MB

    • MD5

      6ebb6ce93430a786285ccf8ae2eb0a98

    • SHA1

      7d870ff876b1d62242536b782bb0b9df03884f20

    • SHA256

      2add711ca974a123872d33093f032579d664931674453ca52cf368db38cd9232

    • SHA512

      078c2be2a994d1b382b360b6c30c2741c8c5d1357f21ae12b885d8ae067f968407d6038d5f798ea500af0556ac97add18b293c453d74084e5da5b82ed2afe354

    • SSDEEP

      24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgXXeU2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MPd21tuuIeNHYGY0LzjsJxK

    • 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.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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

3
T1552

Credentials In Files

3
T1552.001

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

3
T1005

Tasks