General

  • Target

    9b214f39218ae739b93f3c52f035f40aa8d31fcb7ba41b02df5a966237d27f30

  • Size

    313KB

  • Sample

    220114-1qatvsagd3

  • MD5

    63a6b243f662c2e36685ee567f20ff1a

  • SHA1

    523a032bf39b01e7e4f6a04cfbbad609af1c1307

  • SHA256

    9b214f39218ae739b93f3c52f035f40aa8d31fcb7ba41b02df5a966237d27f30

  • SHA512

    7598a02ae11fe0206000ac831ef717db8ed257cefa1ca49a819bdb55cb1f99cb0636819e2a8b83e16aa7b7b3e3c90b2d489e1dc74989a73604f04bc1d8cb80fe

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

Targets

    • Target

      9b214f39218ae739b93f3c52f035f40aa8d31fcb7ba41b02df5a966237d27f30

    • Size

      313KB

    • MD5

      63a6b243f662c2e36685ee567f20ff1a

    • SHA1

      523a032bf39b01e7e4f6a04cfbbad609af1c1307

    • SHA256

      9b214f39218ae739b93f3c52f035f40aa8d31fcb7ba41b02df5a966237d27f30

    • SHA512

      7598a02ae11fe0206000ac831ef717db8ed257cefa1ca49a819bdb55cb1f99cb0636819e2a8b83e16aa7b7b3e3c90b2d489e1dc74989a73604f04bc1d8cb80fe

    • Arkei

      Arkei is an infostealer written in C++.

    • 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 Windows Firewall

    • Sets service image path in registry

    • Deletes itself

    • 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

    • 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