General

  • Target

    28048a470181ea26c44efccc5613248d

  • Size

    4.4MB

  • Sample

    231231-ez4mmsafhm

  • MD5

    28048a470181ea26c44efccc5613248d

  • SHA1

    ecf49125ae5fbab3046a36550c7e46074acbfdb2

  • SHA256

    52d2303ef0ca3af61a62ab3041abdd1782189394a97777c7d5d9b488b85f1cdd

  • SHA512

    142e2b907d235d1d94d8133be70d475b1aa147c18c89a40433e4e13e78c8241b1c84a9d614be535febbb3c7ec5fe4731c681048faed6a38fa18c232829898c9d

  • SSDEEP

    98304:yuROg/xvMXxNE+yK7cRAMM3mLwhd9Rb050ldg+nmJbeLMYBHSAkUBIi2:yuRb/xArEKwyMM38wtR450Dg+mVAHS2S

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

smokeloader

Botnet

pub5

Extracted

Family

vidar

Version

40.1

Botnet

706

C2

https://eduarroma.tumblr.com/

Attributes
  • profile_id

    706

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

Extracted

Family

cryptbot

C2

knuywu58.top

morjeo05.top

Attributes
  • payload_url

    http://sarefy07.top/download.php?file=lv.exe

Targets

    • Target

      28048a470181ea26c44efccc5613248d

    • Size

      4.4MB

    • MD5

      28048a470181ea26c44efccc5613248d

    • SHA1

      ecf49125ae5fbab3046a36550c7e46074acbfdb2

    • SHA256

      52d2303ef0ca3af61a62ab3041abdd1782189394a97777c7d5d9b488b85f1cdd

    • SHA512

      142e2b907d235d1d94d8133be70d475b1aa147c18c89a40433e4e13e78c8241b1c84a9d614be535febbb3c7ec5fe4731c681048faed6a38fa18c232829898c9d

    • SSDEEP

      98304:yuROg/xvMXxNE+yK7cRAMM3mLwhd9Rb050ldg+nmJbeLMYBHSAkUBIi2:yuRb/xArEKwyMM38wtR450Dg+mVAHS2S

    • 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

    • 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