General

  • Target

    8eda3695b8c29dded00501fde8444313349470cc502ac4140c421db923774107

  • Size

    1.9MB

  • Sample

    240528-hw5x3sbe68

  • MD5

    dcd08be62484508790f37622bf327866

  • SHA1

    f751b7bf77ec6d465ba46310f0a198e7f2d34ba4

  • SHA256

    8eda3695b8c29dded00501fde8444313349470cc502ac4140c421db923774107

  • SHA512

    9bc88798a147926e5e17a043e05aaa86123c8f09e68a90bd97dca7be8e912b3dc18d907ea0fb417190731c2523d92efd14a0bbb8ff3212a76bc436d7673f4c42

  • SSDEEP

    49152:CdKfTn6veJtTF+TxMoxc1TU+j+dAzGwlrh:CdKfTnNtIuoITsdZ

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

      8eda3695b8c29dded00501fde8444313349470cc502ac4140c421db923774107

    • Size

      1.9MB

    • MD5

      dcd08be62484508790f37622bf327866

    • SHA1

      f751b7bf77ec6d465ba46310f0a198e7f2d34ba4

    • SHA256

      8eda3695b8c29dded00501fde8444313349470cc502ac4140c421db923774107

    • SHA512

      9bc88798a147926e5e17a043e05aaa86123c8f09e68a90bd97dca7be8e912b3dc18d907ea0fb417190731c2523d92efd14a0bbb8ff3212a76bc436d7673f4c42

    • SSDEEP

      49152:CdKfTn6veJtTF+TxMoxc1TU+j+dAzGwlrh:CdKfTnNtIuoITsdZ

    • 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 Enterprise v15

Tasks