General

  • Target

    b137fff4b205d540cccf36b16d3c5604

  • Size

    4.7MB

  • Sample

    240304-e2xl4sae97

  • MD5

    b137fff4b205d540cccf36b16d3c5604

  • SHA1

    010a3abe5fde6040fe5beb465eca26e4615ff89f

  • SHA256

    f0eef776c31bc4af21280f8b2e7f82dda4682fe97214347479b6500848324e87

  • SHA512

    2aff813bf96c90499ba21f1bcb7d78196eac3ca47cf93b1e9ade97b6e970134c4ed84e9b018f85ebe6000ea694ef2e736680a6554a523235f88c52d3de2916b2

  • SSDEEP

    98304:xZCvLUBsg3bsj4tZ+f/ufmD1H3K2lR2vOOlMi5aGFpG9jKbmdbqRF:xSLUCg3bsjl1H3Tl+lMikG29jiRF

Malware Config

Extracted

Family

nullmixer

C2

http://hsiens.xyz/

Extracted

Family

privateloader

C2

http://37.0.10.214/proxies.txt

http://37.0.10.244/server.txt

http://wfsdragon.ru/api/setStats.php

37.0.10.237

Extracted

Family

redline

Botnet

pub1

C2

viacetequn.site:80

Extracted

Family

vidar

Version

40.1

Botnet

706

C2

https://eduarroma.tumblr.com/

Attributes
  • profile_id

    706

Extracted

Family

smokeloader

Botnet

pub5

Extracted

Family

smokeloader

Version

2020

C2

http://aucmoney.com/upload/

http://thegymmum.com/upload/

http://atvcampingtrips.com/upload/

http://kuapakualaman.com/upload/

http://renatazarazua.com/upload/

http://nasufmutlu.com/upload/

rc4.i32
rc4.i32

Targets

    • Target

      b137fff4b205d540cccf36b16d3c5604

    • Size

      4.7MB

    • MD5

      b137fff4b205d540cccf36b16d3c5604

    • SHA1

      010a3abe5fde6040fe5beb465eca26e4615ff89f

    • SHA256

      f0eef776c31bc4af21280f8b2e7f82dda4682fe97214347479b6500848324e87

    • SHA512

      2aff813bf96c90499ba21f1bcb7d78196eac3ca47cf93b1e9ade97b6e970134c4ed84e9b018f85ebe6000ea694ef2e736680a6554a523235f88c52d3de2916b2

    • SSDEEP

      98304:xZCvLUBsg3bsj4tZ+f/ufmD1H3K2lR2vOOlMi5aGFpG9jKbmdbqRF:xSLUCg3bsjl1H3Tl+lMikG29jiRF

    • CryptBot

      A C++ stealer distributed widely in bundle with other software.

    • CryptBot payload

    • NullMixer

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

    • PrivateLoader

      PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • SectopRAT

      SectopRAT is a remote access trojan first seen in November 2019.

    • SectopRAT payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar Stealer

    • 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

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Enterprise v15

Tasks