General
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Target
https://samples.vx-underground.org/Samples/Bazaar%20Collection/Downloadable%20Releases/Bazaar.2020.04.7z
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Sample
241119-xlsbkazmfv
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://samples.vx-underground.org/Samples/Bazaar%20Collection/Downloadable%20Releases/Bazaar.2020.04.7z
Resource
win11-20241007-en
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.winsfgt.com/ - Port:
21 - Username:
[email protected] - Password:
231Father@
Protocol: ftp- Host:
ftp://ftp.winsfgt.com/ - Port:
21 - Username:
[email protected] - Password:
231Father@
Extracted
lokibot
http://107.175.150.73/~giftioz/.sama/fre.php
http://kbfvzoboss.bid/alien/fre.php
http://alphastand.trade/alien/fre.php
http://alphastand.win/alien/fre.php
http://alphastand.top/alien/fre.php
Extracted
netwire
185.103.96.151:3393
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activex_autorun
false
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copy_executable
false
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delete_original
false
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host_id
185.103.96.151
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keylogger_dir
%AppData%\Logs\
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lock_executable
false
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offline_keylogger
true
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password
Password
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registry_autorun
true
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startup_name
NetWire
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use_mutex
false
Extracted
nanocore
1.2.2.0
185.103.96.151:3012
127.0.0.1:3012
593632ea-21be-48a1-af3e-d08cdcee3916
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activate_away_mode
true
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backup_connection_host
127.0.0.1
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2019-10-20T13:40:50.725270136Z
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bypass_user_account_control
true
- bypass_user_account_control_data
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clear_access_control
true
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clear_zone_identifier
false
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connect_delay
4000
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connection_port
3012
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default_group
Default
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enable_debug_mode
true
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gc_threshold
1.048576e+07
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keep_alive_timeout
30000
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keyboard_logging
false
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lan_timeout
2500
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max_packet_size
1.048576e+07
-
mutex
593632ea-21be-48a1-af3e-d08cdcee3916
-
mutex_timeout
5000
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prevent_system_sleep
true
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primary_connection_host
185.103.96.151
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primary_dns_server
8.8.8.8
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request_elevation
true
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restart_delay
5000
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run_delay
0
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run_on_startup
true
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set_critical_process
true
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timeout_interval
5000
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use_custom_dns_server
false
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version
1.2.2.0
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wan_timeout
8000
Targets
-
-
Target
https://samples.vx-underground.org/Samples/Bazaar%20Collection/Downloadable%20Releases/Bazaar.2020.04.7z
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Agenttesla family
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Glupteba family
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Glupteba payload
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Hawkeye family
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Lokibot family
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Nanocore family
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NetWire RAT payload
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Netwire family
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Parallax family
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ParallaxRat payload
Detects payload of Parallax Rat, a small portable Rat usually digitally signed with a Sectigo certificate.
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Qakbot family
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload
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Redline family
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Suspicious use of NtCreateProcessExOtherParentProcess
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AgentTesla payload
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Contacts a large (65351) amount of remote hosts
This may indicate a network scan to discover remotely running services.
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Creates a large amount of network flows
This may indicate a network scan to discover remotely running services.
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Renames multiple (971) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Drops file in Drivers directory
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Modifies Windows Firewall
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Drops startup file
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Executes dropped EXE
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Loads dropped DLL
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Uses the VBS compiler for execution
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Accesses Microsoft Outlook accounts
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Accesses Microsoft Outlook profiles
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Adds Run key to start application
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Blocklisted process makes network request
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Indicator Removal: Clear Persistence
Clear artifacts associated with previously established persistence like scheduletasks on a host.
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Legitimate hosting services abused for malware hosting/C2
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Modifies boot configuration data using bcdedit
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AutoIT Executable
AutoIT scripts compiled to PE executables.
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Drops file in System32 directory
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Sets desktop wallpaper using registry
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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1Scheduled Task/Job
1Scheduled Task
1System Services
2Service Execution
2Windows Management Instrumentation
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
4Windows Service
4Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
4Windows Service
4Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Direct Volume Access
1Hide Artifacts
2Hidden Files and Directories
2Impair Defenses
3Disable or Modify System Firewall
1Disable or Modify Tools
1Indicator Removal
3Clear Persistence
1File Deletion
2Modify Registry
5Subvert Trust Controls
1Install Root Certificate
1Virtualization/Sandbox Evasion
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Discovery
Browser Information Discovery
1Network Service Discovery
2Network Share Discovery
1Peripheral Device Discovery
2Query Registry
8Remote System Discovery
1System Information Discovery
8System Location Discovery
1System Language Discovery
1System Network Configuration Discovery
1Internet Connection Discovery
1System Time Discovery
1Virtualization/Sandbox Evasion
1