General

  • Target

    d10015cb022bf09a46bfc6236a6fe55e2fd2866fd7ce86e48e041ed09ebc3fe3

  • Size

    1.6MB

  • Sample

    240611-sr3bhasbqm

  • MD5

    cbd48df4b96e163d1e16f418ed26601c

  • SHA1

    d025c1cf2dba7abfe8cff3467f517fd06ba9b462

  • SHA256

    d10015cb022bf09a46bfc6236a6fe55e2fd2866fd7ce86e48e041ed09ebc3fe3

  • SHA512

    25c232a843b3c603d10de1e84b5400311280a437ea255f09060b5bd3b52552fde8108e78afc3cb83e404d2ffbba49c9dafa92292ed04f64189e7e63974b46d28

  • SSDEEP

    24576:spM5863IGfTAVpalBHUfMxVVtes12FxwojKr98YGeGG9i:spQLYkTYp6BHUkxVVChjHZQs

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/r8z0l

https://steamcommunity.com/profiles/76561199698764354

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0

Targets

    • Target

      d10015cb022bf09a46bfc6236a6fe55e2fd2866fd7ce86e48e041ed09ebc3fe3

    • Size

      1.6MB

    • MD5

      cbd48df4b96e163d1e16f418ed26601c

    • SHA1

      d025c1cf2dba7abfe8cff3467f517fd06ba9b462

    • SHA256

      d10015cb022bf09a46bfc6236a6fe55e2fd2866fd7ce86e48e041ed09ebc3fe3

    • SHA512

      25c232a843b3c603d10de1e84b5400311280a437ea255f09060b5bd3b52552fde8108e78afc3cb83e404d2ffbba49c9dafa92292ed04f64189e7e63974b46d28

    • SSDEEP

      24576:spM5863IGfTAVpalBHUfMxVVtes12FxwojKr98YGeGG9i:spQLYkTYp6BHUkxVVChjHZQs

    • 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