General

  • Target

    679831cf1f00950b4adffbbba7e6ab46.exe

  • Size

    312KB

  • Sample

    220114-x2ncjsaah3

  • MD5

    679831cf1f00950b4adffbbba7e6ab46

  • SHA1

    f4aa59829222d5ed000849ea0167082f54b59e03

  • SHA256

    760d44ea1a90c1b235133258a8f03bed049b5b51328aefe4a2595b6f085dd99d

  • SHA512

    5d88bc6fa746628f9eb792612b857d7724da4827445edf2a7850190358a3c9c08caa602df2cc92eba96571d4c34a0e311007c8688fa437203f8eec3185c2ed8f

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

      679831cf1f00950b4adffbbba7e6ab46.exe

    • Size

      312KB

    • MD5

      679831cf1f00950b4adffbbba7e6ab46

    • SHA1

      f4aa59829222d5ed000849ea0167082f54b59e03

    • SHA256

      760d44ea1a90c1b235133258a8f03bed049b5b51328aefe4a2595b6f085dd99d

    • SHA512

      5d88bc6fa746628f9eb792612b857d7724da4827445edf2a7850190358a3c9c08caa602df2cc92eba96571d4c34a0e311007c8688fa437203f8eec3185c2ed8f

    • 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.

    • 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

    • 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.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks