General

  • Target

    e153f067302f2b23a5d5bd53a4a0527140946e2cca1103df9f0140c6f19440ba

  • Size

    2.0MB

  • Sample

    240524-tsdj7sca94

  • MD5

    f45b71b1508e953f4f6964319c0eb8dd

  • SHA1

    a62a261063086d9b2d734df1fd8f72f1799b319f

  • SHA256

    e153f067302f2b23a5d5bd53a4a0527140946e2cca1103df9f0140c6f19440ba

  • SHA512

    cccdcdbed36b12232133b037a1c2509c54dfe4e7b9fa18a6385aa47a37e910a65c229af84b86ccf667a9763ed16f1916fa8ad713f51b89471836360c2cd8a757

  • SSDEEP

    49152:s4K3x1vUyJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18ytIuoITsdZ

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

      e153f067302f2b23a5d5bd53a4a0527140946e2cca1103df9f0140c6f19440ba

    • Size

      2.0MB

    • MD5

      f45b71b1508e953f4f6964319c0eb8dd

    • SHA1

      a62a261063086d9b2d734df1fd8f72f1799b319f

    • SHA256

      e153f067302f2b23a5d5bd53a4a0527140946e2cca1103df9f0140c6f19440ba

    • SHA512

      cccdcdbed36b12232133b037a1c2509c54dfe4e7b9fa18a6385aa47a37e910a65c229af84b86ccf667a9763ed16f1916fa8ad713f51b89471836360c2cd8a757

    • SSDEEP

      49152:s4K3x1vUyJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18ytIuoITsdZ

    • 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 Matrix ATT&CK v13

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Tasks