General

  • Target

    ee59dff1d407a8745fc4839286ada544145331c2b64df5ad4f8d78a5f175884b

  • Size

    2.6MB

  • Sample

    240528-rjwnbahg45

  • MD5

    a23749884a178bfe1963851913f96856

  • SHA1

    75a19f9ae22dfacf91dd50712aee8f1e765904b6

  • SHA256

    ee59dff1d407a8745fc4839286ada544145331c2b64df5ad4f8d78a5f175884b

  • SHA512

    14f510ee29a239bbdf97da16726daba1058c284273d43195aa5b71995e5e4f129759d7a820c4dca8f7f70d34009591efa968159c99dcc90d5206749d099165e5

  • SSDEEP

    49152:XQzIzMiqCNwaJtTF+TxMoxc1TU+j+dAzGwlrh:XY598rtIuoITsdZ

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

      ee59dff1d407a8745fc4839286ada544145331c2b64df5ad4f8d78a5f175884b

    • Size

      2.6MB

    • MD5

      a23749884a178bfe1963851913f96856

    • SHA1

      75a19f9ae22dfacf91dd50712aee8f1e765904b6

    • SHA256

      ee59dff1d407a8745fc4839286ada544145331c2b64df5ad4f8d78a5f175884b

    • SHA512

      14f510ee29a239bbdf97da16726daba1058c284273d43195aa5b71995e5e4f129759d7a820c4dca8f7f70d34009591efa968159c99dcc90d5206749d099165e5

    • SSDEEP

      49152:XQzIzMiqCNwaJtTF+TxMoxc1TU+j+dAzGwlrh:XY598rtIuoITsdZ

    • 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