General

  • Target

    8d437876e8f8d2d06f3eea7872e19366

  • Size

    1.5MB

  • Sample

    231226-zhmm1segap

  • MD5

    8d437876e8f8d2d06f3eea7872e19366

  • SHA1

    1602c0b6f1526a7b65fcb1815c9fdf8dbfe68681

  • SHA256

    a11aef5350475e61ecbe2372af59768d8b41178d70ed4ce9ee04d4feb5179a9e

  • SHA512

    d675a1ebe62ccd66f925a1098d44c825ed0b27a1c038734250d58f88143ed3d97a9179f308ab637cdc03021c2df29dca1e5824dc30b7b37ced89a552a5368095

  • SSDEEP

    49152:EgeYWTMp+nJJ1RzFVml3ySsB+cmeKQMSlmwcTYC:Jbijm3ySsBkSQX

Malware Config

Extracted

Family

nullmixer

C2

http://marisana.xyz/

Extracted

Family

smokeloader

Botnet

pub6

Extracted

Family

smokeloader

Version

2020

C2

http://conceitosseg.com/upload/

http://integrasidata.com/upload/

http://ozentekstil.com/upload/

http://finbelportal.com/upload/

http://telanganadigital.com/upload/

rc4.i32
rc4.i32

Targets

    • Target

      8d437876e8f8d2d06f3eea7872e19366

    • Size

      1.5MB

    • MD5

      8d437876e8f8d2d06f3eea7872e19366

    • SHA1

      1602c0b6f1526a7b65fcb1815c9fdf8dbfe68681

    • SHA256

      a11aef5350475e61ecbe2372af59768d8b41178d70ed4ce9ee04d4feb5179a9e

    • SHA512

      d675a1ebe62ccd66f925a1098d44c825ed0b27a1c038734250d58f88143ed3d97a9179f308ab637cdc03021c2df29dca1e5824dc30b7b37ced89a552a5368095

    • SSDEEP

      49152:EgeYWTMp+nJJ1RzFVml3ySsB+cmeKQMSlmwcTYC:Jbijm3ySsBkSQX

    • Modifies Windows Defender Real-time Protection settings

    • NullMixer

      NullMixer is a malware dropper leading to an infection chain of a wide variety of malware families.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Looks up external IP address via web service

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

MITRE ATT&CK Enterprise v15

Tasks