General

  • Target

    bd206be3c2fc966b284a6f6631f829f90a7e540646d14a5b07065de597714308

  • Size

    2.0MB

  • Sample

    240525-czfjpsbd7w

  • MD5

    73e6709fe01df95535399125422142d2

  • SHA1

    53ebe67acb8b83c76e43ad7df361aa34c28de20d

  • SHA256

    bd206be3c2fc966b284a6f6631f829f90a7e540646d14a5b07065de597714308

  • SHA512

    d0635fb740bd056dd2e45fa574b4b3a207f92ce72de9de3eb76bf30a4894af32afc8c3c0528388a4e37bc045946a2b04e3459b34ca0ccf80fe5b81081258662e

  • SSDEEP

    49152:s4K3x1vUmJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18mtIuoITsdZ

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://steamcommunity.com/profiles/76561199689717899

https://t.me/copterwin

Attributes
  • user_agent

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

Targets

    • Target

      bd206be3c2fc966b284a6f6631f829f90a7e540646d14a5b07065de597714308

    • Size

      2.0MB

    • MD5

      73e6709fe01df95535399125422142d2

    • SHA1

      53ebe67acb8b83c76e43ad7df361aa34c28de20d

    • SHA256

      bd206be3c2fc966b284a6f6631f829f90a7e540646d14a5b07065de597714308

    • SHA512

      d0635fb740bd056dd2e45fa574b4b3a207f92ce72de9de3eb76bf30a4894af32afc8c3c0528388a4e37bc045946a2b04e3459b34ca0ccf80fe5b81081258662e

    • SSDEEP

      49152:s4K3x1vUmJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18mtIuoITsdZ

    • 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 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

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Tasks