General
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Target
240927-mh3m1sxgrm_pw_infected.zip
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Size
295.7MB
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Sample
241108-k8svdsypbt
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MD5
9841411533386c9ccd3f0ccf101a90f5
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SHA1
8b276c726e8c91bccaedcfded6198c03fbf0a981
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SHA256
de59c7b1cef753487469ad372c2dbebfa31043fc403aceeadbb24cab42e79889
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SHA512
559707cd15d023f6ea64edef547facdecfda6c11c1802c641939849b91134dfe8a8645f0957c553d67506a39a8ca66b56f87d439a8e573c67f6f7ff75b7a1374
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SSDEEP
6291456:UYDbU0KsQ89MMWCh1g/A8onSqiy8Vn6G6rMoKudgt6PQMs/:PD4tsN9MMTh1CKSTQRHKudgt6Pg/
Behavioral task
behavioral1
Sample
vir.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
vir.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
quasar
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reconnect_delay
3000
Extracted
quasar
1.4.1
romka
jozzu420-51305.portmap.host:51305
0445c342-b551-411c-9b80-cd437437f491
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encryption_key
E1BF1D99459F04CAF668F054744BC2C514B0A3D6
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install_name
Romilyaa.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Windows 10 Boot
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subdirectory
SubDir
Targets
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Target
vir.exe
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Size
336.1MB
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MD5
bc82ea785da1180a8a964b3e54ad106c
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SHA1
4c1952ce778455af8ed10dca7b9f77d7815e8d0a
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SHA256
c283ed662a29c18b117ba63ac41cca356934c6a29a1eb66e30d8305637e3411b
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SHA512
62bf34d75e913a47185664a34555678d0b8c2cf03c9e922b0bdcb085713322bafba2bf396b43a4cda7e0be6d315aea027bba29c628fe561d01e3026b4e0b405b
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SSDEEP
6291456:72qVJw+odBeWFv1k4R4b0ewZkhT4ofHwJjvZDQPf2tLSkHZdHVeVF0oJ:yr+WeSWgfecGT4RjvqP85/A33
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Detect Umbral payload
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Njrat family
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Quasar family
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Quasar payload
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Umbral family
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Blocklisted process makes network request
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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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Drops file in Drivers directory
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Manipulates Digital Signatures
Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.
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Modifies Windows Firewall
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Possible privilege escalation attempt
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.NET Reactor proctector
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
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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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Event Triggered Execution: Component Object Model Hijacking
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
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Executes dropped EXE
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Loads dropped DLL
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Modifies file permissions
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Unexpected DNS network traffic destination
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
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Adds Run key to start application
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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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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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Obfuscated Files or Information: Command Obfuscation
Adversaries may obfuscate content during command execution to impede detection.
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Password Policy Discovery
Attempt to access detailed information about the password policy used within an enterprise network.
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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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Enumerates processes with tasklist
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Sets desktop wallpaper using registry
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
2PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
2Component Object Model Hijacking
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
2Component Object Model Hijacking
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1File and Directory Permissions Modification
1Impair Defenses
3Disable or Modify System Firewall
1Disable or Modify Tools
2Modify Registry
6Obfuscated Files or Information
1Command Obfuscation
1Subvert Trust Controls
2Install Root Certificate
1SIP and Trust Provider Hijacking
1Discovery
Browser Information Discovery
1Password Policy Discovery
1Process Discovery
1Query Registry
4Remote System Discovery
1System Information Discovery
5System Location Discovery
1System Language Discovery
1System Network Configuration Discovery
1Internet Connection Discovery
1