General

  • Target

    7bb6fade6fb62864faf6a503b103b7e9d588a4aa62ce5624258e517390f815c3

  • Size

    228KB

  • Sample

    230219-r9ht5sfg97

  • MD5

    9ba9ed7290bae599659ac00af017ca45

  • SHA1

    b9b903e49f0c24de44cd43d5b13d90518d8461e8

  • SHA256

    7bb6fade6fb62864faf6a503b103b7e9d588a4aa62ce5624258e517390f815c3

  • SHA512

    ccc4e511bf81f447cbe283c92f75f768379288f5f4df292c10339d283be646c68fe35ddcf0aaed7abe912d687bd0922ac5b7b08ed0386098b19fb9df757da13c

  • SSDEEP

    6144:U2hF8LEhDPqjZkcyOVFGiVt5q/4XLYGbcll0h:U2v8AhmZktOVFGo5qg0G4b

Malware Config

Targets

    • Target

      7bb6fade6fb62864faf6a503b103b7e9d588a4aa62ce5624258e517390f815c3

    • Size

      228KB

    • MD5

      9ba9ed7290bae599659ac00af017ca45

    • SHA1

      b9b903e49f0c24de44cd43d5b13d90518d8461e8

    • SHA256

      7bb6fade6fb62864faf6a503b103b7e9d588a4aa62ce5624258e517390f815c3

    • SHA512

      ccc4e511bf81f447cbe283c92f75f768379288f5f4df292c10339d283be646c68fe35ddcf0aaed7abe912d687bd0922ac5b7b08ed0386098b19fb9df757da13c

    • SSDEEP

      6144:U2hF8LEhDPqjZkcyOVFGiVt5q/4XLYGbcll0h:U2v8AhmZktOVFGo5qg0G4b

    • Detects Smokeloader packer

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Downloads MZ/PE file

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Deletes itself

    • Executes dropped EXE

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks