General

  • Target

    1a67aeade6c08cfb2b5970754f96aeaedf343beca1a9111dc577f160dc001458

  • Size

    2.0MB

  • Sample

    240526-qhd67sff7v

  • MD5

    18fcb670549fd83c96fe7c660f6480ff

  • SHA1

    a4f4d4e22c6ae812f7606618b8b51b0f3983cd8a

  • SHA256

    1a67aeade6c08cfb2b5970754f96aeaedf343beca1a9111dc577f160dc001458

  • SHA512

    05e515e0e591f59198ac1764c9099f2b3f6f924a5e67545572d5861e155852144602fe95d9aa900592d6e1a8bbd4ac79c048a967af60e5b223270b8d4ea10f4e

  • SSDEEP

    49152:OePpQEhJtTF+TxMoxc1TU+j+dAzGwlrh:OePpQEhtIuoITsdZ

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

      1a67aeade6c08cfb2b5970754f96aeaedf343beca1a9111dc577f160dc001458

    • Size

      2.0MB

    • MD5

      18fcb670549fd83c96fe7c660f6480ff

    • SHA1

      a4f4d4e22c6ae812f7606618b8b51b0f3983cd8a

    • SHA256

      1a67aeade6c08cfb2b5970754f96aeaedf343beca1a9111dc577f160dc001458

    • SHA512

      05e515e0e591f59198ac1764c9099f2b3f6f924a5e67545572d5861e155852144602fe95d9aa900592d6e1a8bbd4ac79c048a967af60e5b223270b8d4ea10f4e

    • SSDEEP

      49152:OePpQEhJtTF+TxMoxc1TU+j+dAzGwlrh:OePpQEhtIuoITsdZ

    • 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