General

  • Target

    08c0efc4faae4992390253dc073aaa662e7998db8a4742f9fdb5374c39d6764c

  • Size

    312KB

  • Sample

    220116-cdz18afbd2

  • MD5

    c64ddfaaca13f4b510e1b1887d0df953

  • SHA1

    d1c4854f2032f7f028a83e1929f87f0712b87a12

  • SHA256

    08c0efc4faae4992390253dc073aaa662e7998db8a4742f9fdb5374c39d6764c

  • SHA512

    a579c85cdd8a5d0298b01bfdab24751cfa606796bdc794515a4dc281e8bc8c565265f66342c0238124ccabb20915d4385765dceb9327cbce3ec39f2883af277e

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

      08c0efc4faae4992390253dc073aaa662e7998db8a4742f9fdb5374c39d6764c

    • Size

      312KB

    • MD5

      c64ddfaaca13f4b510e1b1887d0df953

    • SHA1

      d1c4854f2032f7f028a83e1929f87f0712b87a12

    • SHA256

      08c0efc4faae4992390253dc073aaa662e7998db8a4742f9fdb5374c39d6764c

    • SHA512

      a579c85cdd8a5d0298b01bfdab24751cfa606796bdc794515a4dc281e8bc8c565265f66342c0238124ccabb20915d4385765dceb9327cbce3ec39f2883af277e

    • 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