General

  • Target

    ed86a4e148f01d044cd511935708a37f52a1961554bff726f1d68aeba811ebe2.exe

  • Size

    2.4MB

  • Sample

    240524-ma148ade74

  • MD5

    22e0abdaad16d3b5c4008e801aee32d6

  • SHA1

    c9e61680c005e8816bfb234c6b3c4c68baecb80b

  • SHA256

    ed86a4e148f01d044cd511935708a37f52a1961554bff726f1d68aeba811ebe2

  • SHA512

    c6a10d046a405327bcfd817eb2a5984523a0acdbdb7ed9d2515e61de4a5198a2be2341cb536acf86fc48d2e7a3716c90e92fc226d347cda5a5f32ff7af7887b0

  • SSDEEP

    49152:jxIRJF1HL+VdX68kUSJtTF+TxMoxc1TU+j+dAzGwlrh:jEJF16dX68dStIuoITsdZ

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

      ed86a4e148f01d044cd511935708a37f52a1961554bff726f1d68aeba811ebe2.exe

    • Size

      2.4MB

    • MD5

      22e0abdaad16d3b5c4008e801aee32d6

    • SHA1

      c9e61680c005e8816bfb234c6b3c4c68baecb80b

    • SHA256

      ed86a4e148f01d044cd511935708a37f52a1961554bff726f1d68aeba811ebe2

    • SHA512

      c6a10d046a405327bcfd817eb2a5984523a0acdbdb7ed9d2515e61de4a5198a2be2341cb536acf86fc48d2e7a3716c90e92fc226d347cda5a5f32ff7af7887b0

    • SSDEEP

      49152:jxIRJF1HL+VdX68kUSJtTF+TxMoxc1TU+j+dAzGwlrh:jEJF16dX68dStIuoITsdZ

    • 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

    • Loads dropped DLL

    • 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