General
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Target
downloader.exe
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Size
70.1MB
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Sample
240821-pdgk4axfrd
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MD5
32cf2e67b683f71459218a15ca946933
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SHA1
df4b2652ca577ea60c0d7ac8dcfb02c9f0dc1beb
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SHA256
59888420dd0bcee1ad8ad4c4947c5da32b2e43d32aaa7c64f781fd276aa59141
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SHA512
5cf9e94939a83fe15bb95d8b8f05f42282c36c9f6df851831d50f0e7764fef094cf43455532e16f618472fae2c5817dbf71ea55f48e0ee80b476ded411205eb4
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SSDEEP
393216:lWxQN89qQk4adiJCuE2fUCdod+OvqKkZHzXhJ/KTe8uiBUtkc0k3qRsGg4GUo3NU:lWoI7zGP5ahWc3Imq
Static task
static1
Behavioral task
behavioral1
Sample
downloader.exe
Resource
win7-20240729-en
Malware Config
Extracted
redline
cs
194.49.68.19:4483
Extracted
xworm
5.0
88.0.183.177:1603
88.0.172.65:1603
83.36.190.196:1603
83.38.30.219:1603
XpRJMNcN9dWrZEo0
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Install_directory
%ProgramData%
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install_file
RuntimeBroker.exe
Extracted
xworm
88.0.183.177:1603
88.0.172.65:1603
83.36.190.196:1603
83.38.30.219:1603
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Install_directory
%Temp%
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install_file
SecurityHealthSystray.exe
Targets
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Target
downloader.exe
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Size
70.1MB
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MD5
32cf2e67b683f71459218a15ca946933
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SHA1
df4b2652ca577ea60c0d7ac8dcfb02c9f0dc1beb
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SHA256
59888420dd0bcee1ad8ad4c4947c5da32b2e43d32aaa7c64f781fd276aa59141
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SHA512
5cf9e94939a83fe15bb95d8b8f05f42282c36c9f6df851831d50f0e7764fef094cf43455532e16f618472fae2c5817dbf71ea55f48e0ee80b476ded411205eb4
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SSDEEP
393216:lWxQN89qQk4adiJCuE2fUCdod+OvqKkZHzXhJ/KTe8uiBUtkc0k3qRsGg4GUo3NU:lWoI7zGP5ahWc3Imq
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Detect Xworm Payload
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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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SectopRAT payload
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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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Obfuscated with Agile.Net obfuscator
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
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Adds Run key to start application
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Suspicious use of NtSetInformationThreadHideFromDebugger
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1