Overview

overview

10

Static

static

7a2899fc05...d1.exe

windows7_x64

10

7a2899fc05...d1.exe

windows10_x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target
    7a2899fc058c83f293b08384dd2922d1.exe
  • Size 176KB
  • Sample210331-1ypz8nb8ve
  • SHA256 deceb572b4fd9c2e2c964ea1a574082a7bb6cc3952ad0c2eaeabe64f20d706fe
  • MD5 SHA1 SHA512
Score
10/10
smokeloaderbackdoordiscoverypersistencetrojan

Malware Config

Extracted

Family

  • smokeloader

Version

  • 2020

C2

  • http://xsss99.icu/upload/

  • http://bingooodsg.icu/upload/

  • http://junntd.xyz/upload/

  • http://ginessa11.xyz/upload/

  • http://overplayninsx.xyz/upload/

  • http://bananinze.com/upload/

  • http://daunimlas.com/upload/

rc4.i32
rc4.i32

Targets

    • Target
      7a2899fc058c83f293b08384dd2922d1.exe
    • Size 176KB
    • SHA256 deceb572b4fd9c2e2c964ea1a574082a7bb6cc3952ad0c2eaeabe64f20d706fe
    • MD5 SHA1 SHA512
    Score
    10/10
    smokeloaderbackdoordiscoverypersistencetrojan

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

      trojanbackdoorsmokeloader

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Executes dropped EXE

    • Deletes itself

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Adds Run key to start application

      persistence

    • Looks up external IP address via web service

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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks