General

  • Target

    2a0a05bcae0114f543206ed1a81a8c69

  • Size

    1.5MB

  • Sample

    231231-f6sdmadhgp

  • MD5

    2a0a05bcae0114f543206ed1a81a8c69

  • SHA1

    0e6b17c5c3dcab55697b4589e8a239961fac9ed0

  • SHA256

    d74a07eeb26faeed4799f582bcb3c22ba985cc7bf21685d3b6e37aa694a72d97

  • SHA512

    5aaee090fc713af1add2a040bb6cfdde26650c6991249d7cfe94bfdb04e5a9a65f2ede7db317a2eb67e0763a097c997612fbef2c9829053e81bb6d9afe97f9cb

  • SSDEEP

    49152:xcBECpZgu2Wk+EwJ84vLRaBtIl9mTXcRjt0S:xaZ2WOCvLUBsKsFt0S

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

      2a0a05bcae0114f543206ed1a81a8c69

    • Size

      1.5MB

    • MD5

      2a0a05bcae0114f543206ed1a81a8c69

    • SHA1

      0e6b17c5c3dcab55697b4589e8a239961fac9ed0

    • SHA256

      d74a07eeb26faeed4799f582bcb3c22ba985cc7bf21685d3b6e37aa694a72d97

    • SHA512

      5aaee090fc713af1add2a040bb6cfdde26650c6991249d7cfe94bfdb04e5a9a65f2ede7db317a2eb67e0763a097c997612fbef2c9829053e81bb6d9afe97f9cb

    • SSDEEP

      49152:xcBECpZgu2Wk+EwJ84vLRaBtIl9mTXcRjt0S:xaZ2WOCvLUBsKsFt0S

    • 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