General

  • Target

    174b8133b4ceb5e97d9f180c111cd9f17bd95e16d9ec1bf303a2318a5cda3821.exe

  • Size

    2.4MB

  • Sample

    240524-mqal7sea72

  • MD5

    42763462311975fc99615499b8345b4c

  • SHA1

    fabee27f89a1535ebb217618468078ca5f772814

  • SHA256

    174b8133b4ceb5e97d9f180c111cd9f17bd95e16d9ec1bf303a2318a5cda3821

  • SHA512

    8d054038c5538b9aef46cea5c94e85c839601ed01dca9e925bd633cbf22cca3522343454578b9256ebf15ce18f92af1653410f557d6f37be651bc920011b8db4

  • 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

      174b8133b4ceb5e97d9f180c111cd9f17bd95e16d9ec1bf303a2318a5cda3821.exe

    • Size

      2.4MB

    • MD5

      42763462311975fc99615499b8345b4c

    • SHA1

      fabee27f89a1535ebb217618468078ca5f772814

    • SHA256

      174b8133b4ceb5e97d9f180c111cd9f17bd95e16d9ec1bf303a2318a5cda3821

    • SHA512

      8d054038c5538b9aef46cea5c94e85c839601ed01dca9e925bd633cbf22cca3522343454578b9256ebf15ce18f92af1653410f557d6f37be651bc920011b8db4

    • 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

    • 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