Resubmissions
07-02-2025 13:44
250207-q1wtzatqcr 1007-02-2025 13:35
250207-qvwxsasnds 1007-02-2025 13:27
250207-qqfp1asmds 1017-01-2025 11:40
250117-ns1f3svrfx 1026-12-2024 15:01
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240927-mh3m1sxgrm 1018-08-2024 19:49
240818-yjmtqsthkm 1018-08-2024 14:30
240818-rvdxmsxgjg 10General
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Target
vir.exe
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Size
336.1MB
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Sample
250207-qvwxsasnds
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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
Behavioral task
behavioral1
Sample
vir.exe
Resource
win7-20240729-en
Malware Config
Extracted
quasar
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reconnect_delay
3000
Extracted
http://dwrapper-dev.herokuapp.com/beetle-cab.cab
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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Modifies WinLogon for persistence
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Njrat family
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Quasar family
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Quasar payload
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UAC bypass
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Umbral family
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Blocklisted process makes network request
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Download via BitsAdmin
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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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Drops startup file
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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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Checks whether UAC is enabled
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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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Enumerates processes with tasklist
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Sets desktop wallpaper using registry
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
2PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
BITS Jobs
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1BITS Jobs
1File and Directory Permissions Modification
1Impair Defenses
2Disable or Modify System Firewall
1Disable or Modify Tools
1Modify Registry
7Obfuscated Files or Information
1Command Obfuscation
1Subvert Trust Controls
2Install Root Certificate
1SIP and Trust Provider Hijacking
1Discovery
Password Policy Discovery
1Process Discovery
1Query Registry
3Remote System Discovery
1System Information Discovery
4System Location Discovery
1System Language Discovery
1System Network Configuration Discovery
1Internet Connection Discovery
1