General

  • Target

    b70df3b3b63b94b0834c3682c9a4b4c4f1cbdc40addef3d7ca1757eee5a12d78

  • Size

    313KB

  • Sample

    220116-a96grsfbb8

  • MD5

    35717b7504232b7409e27ac7739144d7

  • SHA1

    a00939f8e8185b56b7a94f86ba0f853453f0a53b

  • SHA256

    b70df3b3b63b94b0834c3682c9a4b4c4f1cbdc40addef3d7ca1757eee5a12d78

  • SHA512

    7eaf52ce752d548d677bdab5958079ef9dec8d106c69cc48b9cdd003f0d82c21f89f7f0ff94fa24796f8bf95cacf8557c40f5f9bdbd10fd293d20a9414d03e78

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

Targets

    • Target

      b70df3b3b63b94b0834c3682c9a4b4c4f1cbdc40addef3d7ca1757eee5a12d78

    • Size

      313KB

    • MD5

      35717b7504232b7409e27ac7739144d7

    • SHA1

      a00939f8e8185b56b7a94f86ba0f853453f0a53b

    • SHA256

      b70df3b3b63b94b0834c3682c9a4b4c4f1cbdc40addef3d7ca1757eee5a12d78

    • SHA512

      7eaf52ce752d548d677bdab5958079ef9dec8d106c69cc48b9cdd003f0d82c21f89f7f0ff94fa24796f8bf95cacf8557c40f5f9bdbd10fd293d20a9414d03e78

    • Arkei

      Arkei is an infostealer written in C++.

    • Modifies WinLogon for persistence

    • 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.

    • Tofsee

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

    • Windows security bypass

    • 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 Installed Components in the registry

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Deletes itself

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • 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.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • 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