General

  • Target

    4ce1333429419ab651fdebc916b6c5c46017e0dfcb160386218ee44e4ef71129

  • Size

    1.9MB

  • Sample

    240605-yvhn6agc2y

  • MD5

    641d23a88075ac15c7561ba276af34e2

  • SHA1

    11e2041ffa1e21d0642f02796f1eb3964c74466e

  • SHA256

    4ce1333429419ab651fdebc916b6c5c46017e0dfcb160386218ee44e4ef71129

  • SHA512

    4192bf72d64bd2bd7e72627c8dfb71ba2e5d5cd4f552c8fa06e3484d4487af1d069b963740e052ab57910fc2537b58b1315c42177449f074bd8a45027445a528

  • SSDEEP

    24576:n/eC7bzaXi7m00Ju0LXolGLbJnR/z4+EbVbw2qug4ctOlQLernWO:nGYz0P00MS4cdR/z4+UVi4e9Crn

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/r8z0l

https://steamcommunity.com/profiles/76561199698764354

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0

Targets

    • Target

      4ce1333429419ab651fdebc916b6c5c46017e0dfcb160386218ee44e4ef71129

    • Size

      1.9MB

    • MD5

      641d23a88075ac15c7561ba276af34e2

    • SHA1

      11e2041ffa1e21d0642f02796f1eb3964c74466e

    • SHA256

      4ce1333429419ab651fdebc916b6c5c46017e0dfcb160386218ee44e4ef71129

    • SHA512

      4192bf72d64bd2bd7e72627c8dfb71ba2e5d5cd4f552c8fa06e3484d4487af1d069b963740e052ab57910fc2537b58b1315c42177449f074bd8a45027445a528

    • SSDEEP

      24576:n/eC7bzaXi7m00Ju0LXolGLbJnR/z4+EbVbw2qug4ctOlQLernWO:nGYz0P00MS4cdR/z4+UVi4e9Crn

    • 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