General

  • Target

    94bb20d6af44104a6ab1ece9ff0d88a1fa70c7af39acd1b069d1c447f239e5c9

  • Size

    1.9MB

  • Sample

    240527-ls824sfe6x

  • MD5

    c500847fb8ed0fbf4d4b852142ced1e7

  • SHA1

    2d2e85c57f7404f44899a566550c35220ae94347

  • SHA256

    94bb20d6af44104a6ab1ece9ff0d88a1fa70c7af39acd1b069d1c447f239e5c9

  • SHA512

    2135eaea008d8e7aa41e576b148327b7cb6e24a91571a99d76f4493b0fe323b2a91ff7b7c0a838f7c084daa27f7fe9a41eb07f436a8613c7ef7bf44fee34daf8

  • SSDEEP

    49152:CdKfTn6veJtTF+TxMoxc1TU+j+dAzGwlrh:CdKfTnVtIuoITsdZ

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

      94bb20d6af44104a6ab1ece9ff0d88a1fa70c7af39acd1b069d1c447f239e5c9

    • Size

      1.9MB

    • MD5

      c500847fb8ed0fbf4d4b852142ced1e7

    • SHA1

      2d2e85c57f7404f44899a566550c35220ae94347

    • SHA256

      94bb20d6af44104a6ab1ece9ff0d88a1fa70c7af39acd1b069d1c447f239e5c9

    • SHA512

      2135eaea008d8e7aa41e576b148327b7cb6e24a91571a99d76f4493b0fe323b2a91ff7b7c0a838f7c084daa27f7fe9a41eb07f436a8613c7ef7bf44fee34daf8

    • SSDEEP

      49152:CdKfTn6veJtTF+TxMoxc1TU+j+dAzGwlrh:CdKfTnVtIuoITsdZ

    • 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