agenttesla

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General

Target

https://github.com/Endermanch/MalwareDatabase
Sample

240524-1sgp7acf93

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
66.29.151.236
Port:
587
Username:
[email protected]
Password:
s9jjoVvaZchS

Extracted

Family

phemedrone

http://rakishev.net/wp-load.php

Extracted

Family

marsstealer

Botnet

Default

kenesrakishev.net/wp-includes/pomo/po.php

Extracted

Family

asyncrat

Version

0.5.8

Botnet

20.117.108.240:7825

Mutex

IOr8QBoiV215

Attributes

delay
3
install
false
install_folder
%AppData%

aes.plain

Extracted

Family

quasar

Version

1.4.1

Botnet

aldo_R3GON

peurnick24.bumbleshrimp.com:7310

Mutex

77413eeb-5d1c-4bf8-986f-3c9d48a16cd6

Attributes

encryption_key
A3226D93494A561FEC5149605B952B09B55012C6
install_name
Client.exe
log_directory
Logs
reconnect_delay
3000
startup_key
Quasar Client Startup
subdirectory
SubDir

Extracted

Family

nanocore

Version

1.2.2.0

december2nd.ddns.net:65024

december2n.duckdns.org:65024

Mutex

2c009a56-c28c-48f4-8875-acf9e1222e9f

Attributes

activate_away_mode
false
backup_connection_host
december2n.duckdns.org
backup_dns_server
buffer_size
65535
build_time
2024-02-17T09:12:36.211032636Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
false
clear_zone_identifier
false
connect_delay
4000
connection_port
65024
default_group
NO GREE
enable_debug_mode
true
gc_threshold
1.048576e+07
keep_alive_timeout
30000
keyboard_logging
false
lan_timeout
2500
max_packet_size
1.048576e+07
mutex
2c009a56-c28c-48f4-8875-acf9e1222e9f
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
december2nd.ddns.net
primary_dns_server
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
false
set_critical_process
true
timeout_interval
5000
use_custom_dns_server
false
version
1.2.2.0
wan_timeout
8000

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
66.29.151.236
Port:
587
Username:
[email protected]
Password:
s9jjoVvaZchS
Email To:
[email protected]

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

April3rd2024

94.156.65.181:3434

Mutex

A234sdgrgMutex_6SI8OkPnk

Attributes

delay
3
install
false
install_folder
%AppData%

aes.plain

Targets

- Target
  
  https://github.com/Endermanch/MalwareDatabase
Score

10^/10

agenttesla asyncrat chaos locky_lukitus marsstealer nanocore njrat phemedrone quasar strrat warzonerat aldo_r3gon april3rd2024 default os collection discovery evasion execution exploit infostealer keylogger persistence ransomware rat spyware stealer trojan upx
- AgentTesla
  Agent Tesla is a remote access tool (RAT) written in visual basic.
  keylogger trojan stealer spyware agenttesla
- AsyncRat
  AsyncRAT is designed to remotely monitor and control other computers written in C#.
  rat asyncrat
- Chaos
  Ransomware family first seen in June 2021.
  ransomware chaos
- Chaos Ransomware
- Locky (Lukitus variant)
  Variant of the Locky ransomware seen in the wild since late 2017.
  ransomware locky_lukitus
- Mars Stealer
  An infostealer written in C++ based on other infostealers.
  stealer marsstealer
- Modifies WinLogon for persistence
  persistence
- Modifies Windows Defender Real-time Protection settings
  evasion trojan
- NanoCore
  NanoCore is a remote access tool (RAT) with a variety of capabilities.
  keylogger trojan stealer spyware nanocore
- Phemedrone
  An information and wallet stealer written in C#.
  stealer phemedrone
- Quasar RAT
  Quasar is an open source Remote Access Tool.
  trojan spyware quasar
- Quasar payload
- STRRAT
  STRRAT is a remote access tool than can steal credentials and log keystrokes.
  trojan stealer strrat
- Suspicious use of NtCreateUserProcessOtherParentProcess
- WarzoneRat, AveMaria
  WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.
  rat infostealer warzonerat
- njRAT/Bladabindi
  Widely used RAT written in .NET.
  trojan njrat
- Async RAT payload
  rat
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
  evasion
- Command and Scripting Interpreter: PowerShell
  Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
  execution
- Downloads MZ/PE file
- Drops file in Drivers directory
- Modifies RDP port number used by Windows
- Modifies Windows Firewall
  evasion
- Possible privilege escalation attempt
  exploit
- Sets service image path in registry
  persistence
- ACProtect 1.3x - 1.4x DLL software
  Detects file using ACProtect software.
- Checks BIOS information in registry
  BIOS information is often read in order to detect sandboxing environments.
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Drops startup file
- Executes dropped EXE
- Loads dropped DLL
- Modifies file permissions
  discovery
- Reads WinSCP keys stored on the system
  Tries to access WinSCP stored sessions.
  spyware stealer
- Reads data files stored by FTP clients
  Tries to access configuration files associated with programs like FileZilla.
  spyware stealer
- Reads user/profile data of local email clients
  Email clients store some user data on disk where infostealers will often target it.
  spyware stealer
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Registers COM server for autorun
  persistence
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
- Uses the VBS compiler for execution
- Windows security modification
  evasion trojan
- Accesses Microsoft Outlook profiles
  collection
- Adds Run key to start application
  persistence
- Blocklisted process makes network request
- Checks installed software on the system
  Looks up Uninstall key entries in the registry to enumerate software on the system.
  discovery
- Checks whether UAC is enabled
  evasion trojan
- Enumerates connected drives
  Attempts to read the root path of hard drives other than the default C: drive.
- 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
- Sets desktop wallpaper using registry
  ransomware
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
behavioral1