General

  • Target

    2bcb47a8285e95760e44362957b39db3131c38562dcfc86591f708db974c42ae

  • Size

    305KB

  • Sample

    220116-pm9m8sfde6

  • MD5

    16b5f02a6cc64dcdca41bd6826da0b12

  • SHA1

    1715e0131cc66fcba9dae805f8d52df500a83b7c

  • SHA256

    2bcb47a8285e95760e44362957b39db3131c38562dcfc86591f708db974c42ae

  • SHA512

    77800d70032543f63e2874f316b7b3bb982bf7a44b7ab270dd62fae5dfc140e893141cee9e4945527c694275d2f715257acf89a73e81576b130939f8b234f9ac

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
rc4.plain

Targets

    • Target

      2bcb47a8285e95760e44362957b39db3131c38562dcfc86591f708db974c42ae

    • Size

      305KB

    • MD5

      16b5f02a6cc64dcdca41bd6826da0b12

    • SHA1

      1715e0131cc66fcba9dae805f8d52df500a83b7c

    • SHA256

      2bcb47a8285e95760e44362957b39db3131c38562dcfc86591f708db974c42ae

    • SHA512

      77800d70032543f63e2874f316b7b3bb982bf7a44b7ab270dd62fae5dfc140e893141cee9e4945527c694275d2f715257acf89a73e81576b130939f8b234f9ac

    • Arkei

      Arkei is an infostealer written in C++.

    • 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 Windows Firewall

    • Sets service image path in registry

    • Deletes itself

    • Loads dropped DLL

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks