Arkei

Arkei is an infostealer written in C++.

Modifies Windows Defender Real-time Protection settings

Process spawned unexpected child process

This typically indicates the parent process was compromised via an exploit or macro.

RedLine

RedLine Stealer is a malware family written in C#, first appearing in early 2020.

RedLine Payload

Registers COM server for autorun

ServHelper

ServHelper is a backdoor written in Delphi and is associated with the hacking group TA505.

SmokeLoader

Modular backdoor trojan in use since 2014.

Socelars

Socelars is an infostealer targeting browser cookies and credit card credentials.

Socelars Payload

Suspicious use of NtCreateProcessExOtherParentProcess

Suspicious use of NtCreateUserProcessOtherParentProcess

Tofsee

Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

Turns off Windows Defender SpyNet reporting

Vidar

Vidar is an infostealer based on Arkei stealer.

Windows security bypass

xmrig

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

Arkei Stealer Payload

Checks for common network interception software

Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.

Grants admin privileges

Uses net.exe to modify the user's privileges.

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

Vidar Stealer

ASPack v2.12-2.42

Detects executables packed with ASPack v2.12-2.42

Blocklisted process makes network request

Creates new service(s)

Downloads MZ/PE file

Drops file in Drivers directory

Executes dropped EXE

Modifies RDP port number used by Windows

Modifies Windows Firewall

Sets DLL path for service in the registry

Sets service image path in registry

Stops running service(s)