General

  • Target

    c9c2f5dd112ab90340a53465f107bf97038cd8aae445f346ff1be1c656e59800

  • Size

    2.4MB

  • Sample

    240524-p16hqsdc5z

  • MD5

    b6f0af8e28d54e443daf50f39c10aaa3

  • SHA1

    db0c71de5f25268a3e7e34299f434b49128c59d7

  • SHA256

    c9c2f5dd112ab90340a53465f107bf97038cd8aae445f346ff1be1c656e59800

  • SHA512

    5f814fdd5e6d0a611766642adf00a2312f4baae203df5efcbaf383f57a9cfa8ce094c5f1257888cbc2dd72442cb23be6397e5737839c4a3eabf3694b22b6bf69

  • SSDEEP

    49152:jxIRJF1HL+VdX68kUyJtTF+TxMoxc1TU+j+dAzGwlrh:jEJF16dX68dytIuoITsdZ

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

      c9c2f5dd112ab90340a53465f107bf97038cd8aae445f346ff1be1c656e59800

    • Size

      2.4MB

    • MD5

      b6f0af8e28d54e443daf50f39c10aaa3

    • SHA1

      db0c71de5f25268a3e7e34299f434b49128c59d7

    • SHA256

      c9c2f5dd112ab90340a53465f107bf97038cd8aae445f346ff1be1c656e59800

    • SHA512

      5f814fdd5e6d0a611766642adf00a2312f4baae203df5efcbaf383f57a9cfa8ce094c5f1257888cbc2dd72442cb23be6397e5737839c4a3eabf3694b22b6bf69

    • SSDEEP

      49152:jxIRJF1HL+VdX68kUyJtTF+TxMoxc1TU+j+dAzGwlrh:jEJF16dX68dytIuoITsdZ

    • 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