General

  • Target

    511aeeb7b29face6bf5fa128eaa6e265.exe

  • Size

    313KB

  • Sample

    220116-jjn98sffbl

  • MD5

    511aeeb7b29face6bf5fa128eaa6e265

  • SHA1

    2b942630ef6cc68955819795cd22391d671363a4

  • SHA256

    285694b67aa69d6319ccbb02b597f078040394acd449bdabd36c33b09ec81a7c

  • SHA512

    9001db0aaed4266f47a01233525a24ce014a8236ef3f73406c8fec8092f2430ac97eece252d3bc83297833f06c4d946fc2f19623c10d8c41f09900597450278b

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

Targets

    • Target

      511aeeb7b29face6bf5fa128eaa6e265.exe

    • Size

      313KB

    • MD5

      511aeeb7b29face6bf5fa128eaa6e265

    • SHA1

      2b942630ef6cc68955819795cd22391d671363a4

    • SHA256

      285694b67aa69d6319ccbb02b597f078040394acd449bdabd36c33b09ec81a7c

    • SHA512

      9001db0aaed4266f47a01233525a24ce014a8236ef3f73406c8fec8092f2430ac97eece252d3bc83297833f06c4d946fc2f19623c10d8c41f09900597450278b

    • Arkei

      Arkei is an infostealer written in C++.

    • 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

    • suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

      suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

    • suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)

      suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)

    • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    • 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 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.

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks