General

  • Target

    6f8a65911435b236bcd322d074843bb81f6e1df5e0b0c1809ef4b24f1f0ce569

  • Size

    277KB

  • Sample

    220117-efgc1agfg4

  • MD5

    163ea79b2d55d02b1e980469132d9e3d

  • SHA1

    3ae32f514854256c9a97d09503ed42f56d1c9a65

  • SHA256

    6f8a65911435b236bcd322d074843bb81f6e1df5e0b0c1809ef4b24f1f0ce569

  • SHA512

    ad2e2efdbad0d58cdd6ca2f1e31042e9809eddbdd5beeae41808056f95819c1599d3438597185d81a953dc6a0f567b56867974ef2c8794291804fc7520e0ebcc

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

      6f8a65911435b236bcd322d074843bb81f6e1df5e0b0c1809ef4b24f1f0ce569

    • Size

      277KB

    • MD5

      163ea79b2d55d02b1e980469132d9e3d

    • SHA1

      3ae32f514854256c9a97d09503ed42f56d1c9a65

    • SHA256

      6f8a65911435b236bcd322d074843bb81f6e1df5e0b0c1809ef4b24f1f0ce569

    • SHA512

      ad2e2efdbad0d58cdd6ca2f1e31042e9809eddbdd5beeae41808056f95819c1599d3438597185d81a953dc6a0f567b56867974ef2c8794291804fc7520e0ebcc

    • 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

    • 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