General
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Target
vir.exe
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Size
311.5MB
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Sample
240524-zg6dqsad71
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MD5
7c42a3fb52e363418b309e7088e1e55e
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SHA1
fc9499752408bed12bb862f209719a6ca1a952df
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SHA256
adc95310aadda3e2a9b6dddb5952119c7240093347f950246b8865b93d624f86
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SHA512
b0b050db89aebb39d52a6c5d2982aff1b95c63a4b045d6895d1c5eae6801e624f7ba9bdf29fbcf4dfb97d7265a6bb5015218df7cb5ded1535088ea0170848859
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SSDEEP
6291456:b2qVJw+odBeWFv1k4R4b0ewZkhT4ofHwJjvZDQPf2tLSkHhdHVeVM:Sr+WeSWgfecGT4RjvqP85HAK
Behavioral task
behavioral1
Sample
vir.exe
Resource
win10v2004-20240426-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
Extracted
redline
LogsDiller Cloud (TG: @logsdillabot)
5.42.65.115:40551
Extracted
lumma
https://employhabragaomlsp.shop/api
https://museumtespaceorsp.shop/api
https://buttockdecarderwiso.shop/api
https://averageaattractiionsl.shop/api
https://femininiespywageg.shop/api
https://stalfbaclcalorieeis.shop/api
https://civilianurinedtsraov.shop/api
https://roomabolishsnifftwk.shop/api
Targets
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Target
vir.exe
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Size
311.5MB
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MD5
7c42a3fb52e363418b309e7088e1e55e
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SHA1
fc9499752408bed12bb862f209719a6ca1a952df
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SHA256
adc95310aadda3e2a9b6dddb5952119c7240093347f950246b8865b93d624f86
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SHA512
b0b050db89aebb39d52a6c5d2982aff1b95c63a4b045d6895d1c5eae6801e624f7ba9bdf29fbcf4dfb97d7265a6bb5015218df7cb5ded1535088ea0170848859
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SSDEEP
6291456:b2qVJw+odBeWFv1k4R4b0ewZkhT4ofHwJjvZDQPf2tLSkHhdHVeVM:Sr+WeSWgfecGT4RjvqP85HAK
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Detect Umbral payload
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Exela Stealer
Exela Stealer is an open source stealer originally written in .NET and later transitioned to Python that was first observed in August 2023.
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MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
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MassLogger Main payload
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Modifies WinLogon for persistence
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Modifies firewall policy service
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Modifies visibility of file extensions in Explorer
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Modifies visiblity of hidden/system files in Explorer
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PrivateLoader
PrivateLoader is a downloader sold as a pay-per-install malware distribution service.
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Quasar 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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Suspicious use of NtCreateUserProcessOtherParentProcess
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Modifies boot configuration data using bcdedit
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Blocklisted process makes network request
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Creates new service(s)
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Disables RegEdit via registry modification
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Downloads MZ/PE file
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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 Installed Components in the registry
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Modifies Windows Firewall
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Possible privilege escalation attempt
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Sets service image path in registry
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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 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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Modifies file permissions
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Modifies system executable filetype association
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Registers COM server for autorun
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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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Accesses Microsoft Outlook profiles
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Adds Run key to start application
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Checks for any installed AV software in registry
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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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Drops Chrome extension
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Drops desktop.ini file(s)
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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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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 WinLogon
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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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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
1PowerShell
1Scheduled Task/Job
1System Services
2Service Execution
2Persistence
Boot or Logon Autostart Execution
6Registry Run Keys / Startup Folder
4Winlogon Helper DLL
2Create or Modify System Process
4Windows Service
4Event Triggered Execution
1Change Default File Association
1Pre-OS Boot
1Bootkit
1Scheduled Task/Job
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
6Registry Run Keys / Startup Folder
4Winlogon Helper DLL
2Create or Modify System Process
4Windows Service
4Event Triggered Execution
1Change Default File Association
1Scheduled Task/Job
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1File and Directory Permissions Modification
1Hide Artifacts
3Hidden Files and Directories
3Impair Defenses
5Disable or Modify System Firewall
1Disable or Modify Tools
3Modify Registry
16Pre-OS Boot
1Bootkit
1Subvert Trust Controls
2Install Root Certificate
1SIP and Trust Provider Hijacking
1Virtualization/Sandbox Evasion
1