General

  • Target

    c6be51d5c1ebcaaef675023682c524a366813522e368c9580147247873a2391c

  • Size

    2.0MB

  • Sample

    240526-sypzrabc2y

  • MD5

    e901e9130f7e04ccb3ee29d5bdba94fc

  • SHA1

    d6732e6af891042474a68419cbe7af6de8977946

  • SHA256

    c6be51d5c1ebcaaef675023682c524a366813522e368c9580147247873a2391c

  • SHA512

    7d5541bb769c0a00f0abb2cfc56da61206f4e8afb3ac3adae2fa12353624ceed0674c6cafcd76e8ce631aed78b264d65d58c895890f09f1a3981fcffa38638ec

  • SSDEEP

    49152:OePpQE5JtTF+TxMoxc1TU+j+dAzGwlrh:OePpQE5tIuoITsdZ

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

      c6be51d5c1ebcaaef675023682c524a366813522e368c9580147247873a2391c

    • Size

      2.0MB

    • MD5

      e901e9130f7e04ccb3ee29d5bdba94fc

    • SHA1

      d6732e6af891042474a68419cbe7af6de8977946

    • SHA256

      c6be51d5c1ebcaaef675023682c524a366813522e368c9580147247873a2391c

    • SHA512

      7d5541bb769c0a00f0abb2cfc56da61206f4e8afb3ac3adae2fa12353624ceed0674c6cafcd76e8ce631aed78b264d65d58c895890f09f1a3981fcffa38638ec

    • SSDEEP

      49152:OePpQE5JtTF+TxMoxc1TU+j+dAzGwlrh:OePpQE5tIuoITsdZ

    • 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