General

  • Target

    68a1b087d0b144e5c9e5d63258904ba48b0506cc5005fd46d9e19c8ba6958fd1

  • Size

    321KB

  • Sample

    220115-xkr96sfcbq

  • MD5

    533d4157b3d74a7a002b533b1116a645

  • SHA1

    d89a61aff2c5960bf9b6d63228b34e4ea4833a2f

  • SHA256

    68a1b087d0b144e5c9e5d63258904ba48b0506cc5005fd46d9e19c8ba6958fd1

  • SHA512

    461c952db18175c6caeb25626ee5f79ccd69dc325a4e53e289086ac3cfa0ebc6d669480c9db8053abf56efd5a73c2b41c3e848363c3db18101d746b94aff9e5a

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://host-data-coin-11.com/

http://file-coin-host-12.com/

http://srtuiyhuali.at/

http://fufuiloirtu.com/

http://amogohuigotuli.at/

http://novohudosovu.com/

http://brutuilionust.com/

http://bubushkalioua.com/

http://dumuilistrati.at/

http://verboliatsiaeeees.com/

rc4.i32
rc4.i32
rc4.i32
rc4.i32

Extracted

Family

arkei

Botnet

Default

C2

http://file-file-host4.com/tratata.php

Extracted

Family

tofsee

C2

patmushta.info

parubey.info

Extracted

Family

raccoon

Version

1.8.4-hotfixs

rc4.plain

Extracted

Family

redline

C2

185.215.113.57:50723

Targets

    • Target

      68a1b087d0b144e5c9e5d63258904ba48b0506cc5005fd46d9e19c8ba6958fd1

    • Size

      321KB

    • MD5

      533d4157b3d74a7a002b533b1116a645

    • SHA1

      d89a61aff2c5960bf9b6d63228b34e4ea4833a2f

    • SHA256

      68a1b087d0b144e5c9e5d63258904ba48b0506cc5005fd46d9e19c8ba6958fd1

    • SHA512

      461c952db18175c6caeb25626ee5f79ccd69dc325a4e53e289086ac3cfa0ebc6d669480c9db8053abf56efd5a73c2b41c3e848363c3db18101d746b94aff9e5a

    • Arkei

      Arkei is an infostealer written in C++.

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • RedLine

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

    • RedLine Payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)

      suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)

    • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Arkei Stealer Payload

    • XMRig Miner Payload

    • Creates new service(s)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Checks computer location settings

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

    • 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

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks