General

  • Target

    05924fcfe05184156437867b14dd30ad1724efe49dd8e5a8a65e97104f9b2c2e

  • Size

    312KB

  • Sample

    220116-cpk2fafbd5

  • MD5

    eec7b28e8cf1ae57605db6f776ed3cc2

  • SHA1

    db32f2f425ddb29752156f226a9eaf29c4c9cde5

  • SHA256

    05924fcfe05184156437867b14dd30ad1724efe49dd8e5a8a65e97104f9b2c2e

  • SHA512

    d2a4a613f42082778776a6406ab4707d8ab3d58545ab6f08abf55b02e054b3d10b979212c20f0257368642009e5e1e998d431de5f9136e9ab6f0426882cff92d

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

      05924fcfe05184156437867b14dd30ad1724efe49dd8e5a8a65e97104f9b2c2e

    • Size

      312KB

    • MD5

      eec7b28e8cf1ae57605db6f776ed3cc2

    • SHA1

      db32f2f425ddb29752156f226a9eaf29c4c9cde5

    • SHA256

      05924fcfe05184156437867b14dd30ad1724efe49dd8e5a8a65e97104f9b2c2e

    • SHA512

      d2a4a613f42082778776a6406ab4707d8ab3d58545ab6f08abf55b02e054b3d10b979212c20f0257368642009e5e1e998d431de5f9136e9ab6f0426882cff92d

    • Arkei

      Arkei is an infostealer written in C++.

    • Modifies WinLogon for persistence

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • 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