General

  • Target

    5d51992f402bd1e9dbf62c91d18eedaa71e3142dc2f45e3427873864d1a1fae5

  • Size

    1.6MB

  • Sample

    240611-sezpva1hjn

  • MD5

    78564286a80b094c7a4eff427f51c88a

  • SHA1

    864da377ac8467c88fdc20985fb3bb03141278c4

  • SHA256

    5d51992f402bd1e9dbf62c91d18eedaa71e3142dc2f45e3427873864d1a1fae5

  • SHA512

    a0486d7eb27bdf84b58d03fd7b004c8c3e5df290f248b82b35d1979c424f3569604d3429ea105807ddf4bfbab17c0ec4ed0a556e7fc7fedbd34f2ac600958694

  • SSDEEP

    24576:spM5863IGfTAVpalB5UfMxVVtes12FxwojKr98YGeGG9i:spQLYkTYp6B5UkxVVChjHZQs

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

      5d51992f402bd1e9dbf62c91d18eedaa71e3142dc2f45e3427873864d1a1fae5

    • Size

      1.6MB

    • MD5

      78564286a80b094c7a4eff427f51c88a

    • SHA1

      864da377ac8467c88fdc20985fb3bb03141278c4

    • SHA256

      5d51992f402bd1e9dbf62c91d18eedaa71e3142dc2f45e3427873864d1a1fae5

    • SHA512

      a0486d7eb27bdf84b58d03fd7b004c8c3e5df290f248b82b35d1979c424f3569604d3429ea105807ddf4bfbab17c0ec4ed0a556e7fc7fedbd34f2ac600958694

    • SSDEEP

      24576:spM5863IGfTAVpalB5UfMxVVtes12FxwojKr98YGeGG9i:spQLYkTYp6B5UkxVVChjHZQs

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • 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

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Tasks