General

  • Target

    0b50bad9f4aaaaac830e0f4076363b672067553c622b62ebdc8538a74ff5a917

  • Size

    278KB

  • Sample

    220117-cx37zsged9

  • MD5

    1df798bc0223e576741b0c02d50907a2

  • SHA1

    85f7eb9ea5520d7696f51eef8727e4e8a49947f5

  • SHA256

    0b50bad9f4aaaaac830e0f4076363b672067553c622b62ebdc8538a74ff5a917

  • SHA512

    e0bb1ff1f3a006eeffe85befcce6e58f725d7063bcf8996ffaa90a61c02a30800d2460cf03ada64a0ba30656d69c48ce2cb8c03f1fd8e457e14c3bc2557cdaff

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

      0b50bad9f4aaaaac830e0f4076363b672067553c622b62ebdc8538a74ff5a917

    • Size

      278KB

    • MD5

      1df798bc0223e576741b0c02d50907a2

    • SHA1

      85f7eb9ea5520d7696f51eef8727e4e8a49947f5

    • SHA256

      0b50bad9f4aaaaac830e0f4076363b672067553c622b62ebdc8538a74ff5a917

    • SHA512

      e0bb1ff1f3a006eeffe85befcce6e58f725d7063bcf8996ffaa90a61c02a30800d2460cf03ada64a0ba30656d69c48ce2cb8c03f1fd8e457e14c3bc2557cdaff

    • 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

    • 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