General

  • Target

    7357f719d16f618e7eafa5ac82ade9d293266324d6da010b46630b1537a98656

  • Size

    1.9MB

  • Sample

    240528-dpqscscf2s

  • MD5

    03d9b131e8051773d8998e57ccda3d16

  • SHA1

    7d707f635d8ae8265295a84b577483dbf52a9112

  • SHA256

    7357f719d16f618e7eafa5ac82ade9d293266324d6da010b46630b1537a98656

  • SHA512

    5d5fe7ac6dafff3ef2abb3001ece213fa7816bf794c81cacb1a2625fa5a5ce86231e64e7d78643256677d25d9cdc11ff4a4c174c841d24787d96d33958a7f022

  • SSDEEP

    49152:CdKfTn6vmJtTF+TxMoxc1TU+j+dAzGwlrh:CdKfTn1tIuoITsdZ

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

      7357f719d16f618e7eafa5ac82ade9d293266324d6da010b46630b1537a98656

    • Size

      1.9MB

    • MD5

      03d9b131e8051773d8998e57ccda3d16

    • SHA1

      7d707f635d8ae8265295a84b577483dbf52a9112

    • SHA256

      7357f719d16f618e7eafa5ac82ade9d293266324d6da010b46630b1537a98656

    • SHA512

      5d5fe7ac6dafff3ef2abb3001ece213fa7816bf794c81cacb1a2625fa5a5ce86231e64e7d78643256677d25d9cdc11ff4a4c174c841d24787d96d33958a7f022

    • SSDEEP

      49152:CdKfTn6vmJtTF+TxMoxc1TU+j+dAzGwlrh:CdKfTn1tIuoITsdZ

    • 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