General

  • Target

    3bc6fe5fcb47c7fe9bb740286c76ae1b81326799a468821d0f9e94a6913d8b18

  • Size

    255KB

  • Sample

    211202-28414acfbp

  • MD5

    c9b71ed3dac71228438d2ab3b6554867

  • SHA1

    505154cad1036f1d4dc87835daf1dca9c1cac2e0

  • SHA256

    3bc6fe5fcb47c7fe9bb740286c76ae1b81326799a468821d0f9e94a6913d8b18

  • SHA512

    b3409bfda5257a3b7eedc025601684ea6ca37c960d679867206fdad8a89fdffd1514e160567f6b80d67fae9ecfb8d6e3a4001cbd321fdda1137fac924b84f998

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

arkei

Botnet

Default

C2

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

Extracted

Family

redline

C2

92.255.76.197:38637

Targets

    • Target

      3bc6fe5fcb47c7fe9bb740286c76ae1b81326799a468821d0f9e94a6913d8b18

    • Size

      255KB

    • MD5

      c9b71ed3dac71228438d2ab3b6554867

    • SHA1

      505154cad1036f1d4dc87835daf1dca9c1cac2e0

    • SHA256

      3bc6fe5fcb47c7fe9bb740286c76ae1b81326799a468821d0f9e94a6913d8b18

    • SHA512

      b3409bfda5257a3b7eedc025601684ea6ca37c960d679867206fdad8a89fdffd1514e160567f6b80d67fae9ecfb8d6e3a4001cbd321fdda1137fac924b84f998

    • Arkei

      Arkei is an infostealer written in C++.

    • 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

    • suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

      suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

    • suricata: ET MALWARE Win32/Vidar Variant Stealer CnC Exfil

      suricata: ET MALWARE Win32/Vidar Variant Stealer CnC Exfil

    • Arkei Stealer Payload

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

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks