General

  • Target

    7795f0f1bb2e43551c7150c32f3976ce5237fde6ed796a9bd75bea76141d09bb.exe

  • Size

    2.4MB

  • Sample

    240524-msb8taeb68

  • MD5

    8115d3876854fa6aa59e7c6485740502

  • SHA1

    ca84221a465fe4418a549581b91ae6402521b665

  • SHA256

    7795f0f1bb2e43551c7150c32f3976ce5237fde6ed796a9bd75bea76141d09bb

  • SHA512

    d055ee12853c655ac828fb95c6a64d29df408950b337a541a3da2ee000267efad8bed4ca12251e2e4856ed8de30cc9a090b4fc827ee323685b531f22e3f00db7

  • SSDEEP

    49152:jxIRJF1HL+VdX68kUiJtTF+TxMoxc1TU+j+dAzGwlrh:jEJF16dX68ditIuoITsdZ

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

      7795f0f1bb2e43551c7150c32f3976ce5237fde6ed796a9bd75bea76141d09bb.exe

    • Size

      2.4MB

    • MD5

      8115d3876854fa6aa59e7c6485740502

    • SHA1

      ca84221a465fe4418a549581b91ae6402521b665

    • SHA256

      7795f0f1bb2e43551c7150c32f3976ce5237fde6ed796a9bd75bea76141d09bb

    • SHA512

      d055ee12853c655ac828fb95c6a64d29df408950b337a541a3da2ee000267efad8bed4ca12251e2e4856ed8de30cc9a090b4fc827ee323685b531f22e3f00db7

    • SSDEEP

      49152:jxIRJF1HL+VdX68kUiJtTF+TxMoxc1TU+j+dAzGwlrh:jEJF16dX68ditIuoITsdZ

    • 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