General

  • Target

    de91f84e9b1a869d1e7890e9bf4d8c3c

  • Size

    1.5MB

  • Sample

    240325-v5z5eaha6z

  • MD5

    de91f84e9b1a869d1e7890e9bf4d8c3c

  • SHA1

    10d78089cebab23bf04a9d1502f078077c344176

  • SHA256

    2cb7b724ba108cfab0f07348997e32c7c531084ffd2c9326e6ba51ad8f4ed656

  • SHA512

    e4bec86e99b7052951a5928ffa9c0c4d30ef085508638748caca41f9e286e4d4c234172303879883966b0d89d9a93a982ce6a7b48e4017ff6b30e25e7a99ca5a

  • SSDEEP

    49152:xcBRCpZgu25meQkEwJ84vLRaBtIl9mTVjj1+0:xlZ25m7TCvLUBsKVv1+0

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

      de91f84e9b1a869d1e7890e9bf4d8c3c

    • Size

      1.5MB

    • MD5

      de91f84e9b1a869d1e7890e9bf4d8c3c

    • SHA1

      10d78089cebab23bf04a9d1502f078077c344176

    • SHA256

      2cb7b724ba108cfab0f07348997e32c7c531084ffd2c9326e6ba51ad8f4ed656

    • SHA512

      e4bec86e99b7052951a5928ffa9c0c4d30ef085508638748caca41f9e286e4d4c234172303879883966b0d89d9a93a982ce6a7b48e4017ff6b30e25e7a99ca5a

    • SSDEEP

      49152:xcBRCpZgu25meQkEwJ84vLRaBtIl9mTVjj1+0:xlZ25m7TCvLUBsKVv1+0

    • 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