General

  • Target
    68b4dcc4eaf74f09528b92708b1b6c15.exe
  • Size 147KB
  • Sample211126-xxmkfsecaq
  • SHA256 a11c01f16871a5f5edcceeb3bb4e86d100e43652104a3b29dcd471c131a589cf
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://nalirou70.top/

  • http://xacokuo80.top/

rc4.i32
rc4.i32

Extracted

Family
  • tofsee

C2
  • quadoil.ru

  • lakeflex.ru

Extracted

Family
  • redline

C2
  • 185.159.80.90:38655

Extracted

Family
  • arkei

Botnet
  • Default

C2
  • http://file-file-host4.com/tratata.php

Extracted

Family
  • raccoon

Version
  • 1.8.3-hotfix

Botnet
  • c5dde00a0ce162508bf7358fade224b1c1bd5f5f

Attributes
  • url4cnc

    http://91.219.236.27/zondaf1zuzya

    http://5.181.156.92/zondaf1zuzya

    http://91.219.236.207/zondaf1zuzya

    http://185.225.19.18/zondaf1zuzya

    http://91.219.237.227/zondaf1zuzya

    http://185.163.47.176/zondaf1zuzya

    https://t.me/zondaf1zuzya

rc4.plain
rc4.plain

Extracted

Family
  • redline

Botnet
  • cheat

C2
  • 95.181.152.177:21142

Targets

    • Target
      68b4dcc4eaf74f09528b92708b1b6c15.exe
    • Size 147KB
    • SHA256 a11c01f16871a5f5edcceeb3bb4e86d100e43652104a3b29dcd471c131a589cf
    • MD5 SHA1 SHA512
    • Arkei

      Arkei is an infostealer written in C++.

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • 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

    • suricata: ET MALWARE DNS Query Sinkhole Domain Various Families (Possible Infected Host)

      suricata: ET MALWARE DNS Query Sinkhole Domain Various Families (Possible Infected Host)

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

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

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

      suricata: ET MALWARE Win32/Vidar Variant Stealer CnC Exfil

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Arkei Stealer 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 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

    • 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.

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks