General

  • Target

    fb3a7678625b75965f79d972ee2c748cfc0c907311577cc24da9e5eb06f37426

  • Size

    599KB

  • Sample

    230505-zdsngafh3v

  • MD5

    fc907ebf4ab52ba02fabd04c49b4d2ea

  • SHA1

    306ba12fa0d946156442c566f56a74530a822048

  • SHA256

    fb3a7678625b75965f79d972ee2c748cfc0c907311577cc24da9e5eb06f37426

  • SHA512

    3d66aa6ba4b5ebbb66be7fbeaa2f96baad2e7d2b7ec13e6142c10ae484cc8fd7a18dcf42e01defc822a194917a5134935bece1f7a2f801d423084aa0baafa285

  • SSDEEP

    12288:IMrQy90+hLtxOB93X1p9q4fEGA60nWj1Xn:oyBLtoxX1fvf/Cnotn

Malware Config

Targets

    • Target

      fb3a7678625b75965f79d972ee2c748cfc0c907311577cc24da9e5eb06f37426

    • Size

      599KB

    • MD5

      fc907ebf4ab52ba02fabd04c49b4d2ea

    • SHA1

      306ba12fa0d946156442c566f56a74530a822048

    • SHA256

      fb3a7678625b75965f79d972ee2c748cfc0c907311577cc24da9e5eb06f37426

    • SHA512

      3d66aa6ba4b5ebbb66be7fbeaa2f96baad2e7d2b7ec13e6142c10ae484cc8fd7a18dcf42e01defc822a194917a5134935bece1f7a2f801d423084aa0baafa285

    • SSDEEP

      12288:IMrQy90+hLtxOB93X1p9q4fEGA60nWj1Xn:oyBLtoxX1fvf/Cnotn

    • Detects Redline Stealer samples

      This rule detects the presence of Redline Stealer samples based on their unique strings.

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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.

    • Windows security modification

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • 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 v6

Tasks