General

  • Target

    6223d5a46bd4bce593b6182b17b7af379265b8221c5c607ad6913e8e2cd21bb7

  • Size

    335KB

  • Sample

    211129-gvv6taefc3

  • MD5

    fdfbcbb471284cd90d6c64e2b1c86945

  • SHA1

    dbad116054b20a3a8c629cd87310460434995d47

  • SHA256

    6223d5a46bd4bce593b6182b17b7af379265b8221c5c607ad6913e8e2cd21bb7

  • SHA512

    eb3229101df6e43ec74dcf93e08cadc5e857c76883161ced1f4f472440f2843e785d7b73af6f135bbe582866f1c3805ce3fec176e0315fcbe12ef6caab563710

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://host-data-coin-11.com/

http://file-coin-host-12.com/

rc4.i32
rc4.i32

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Extracted

Family

redline

C2

185.189.167.130:38637

Extracted

Family

arkei

Botnet

Default

C2

http://file-file-host4.com/tratata.php

Targets

    • Target

      6223d5a46bd4bce593b6182b17b7af379265b8221c5c607ad6913e8e2cd21bb7

    • Size

      335KB

    • MD5

      fdfbcbb471284cd90d6c64e2b1c86945

    • SHA1

      dbad116054b20a3a8c629cd87310460434995d47

    • SHA256

      6223d5a46bd4bce593b6182b17b7af379265b8221c5c607ad6913e8e2cd21bb7

    • SHA512

      eb3229101df6e43ec74dcf93e08cadc5e857c76883161ced1f4f472440f2843e785d7b73af6f135bbe582866f1c3805ce3fec176e0315fcbe12ef6caab563710

    • Arkei

      Arkei is an infostealer written in C++.

    • Bazar Loader

      Detected loader normally used to deploy BazarBackdoor malware.

    • CryptBot

      A C++ stealer distributed widely in bundle with other software.

    • 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.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • 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

    • Bazar/Team9 Loader payload

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • XMRig Miner Payload

    • Creates new service(s)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Deletes itself

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • 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.

    • Checks whether UAC is enabled

    • 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