General
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Target
3d62073c6642613d8c50498ba63c0b01.exe
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Size
1.6MB
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Sample
240507-bmsstseg28
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MD5
3d62073c6642613d8c50498ba63c0b01
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SHA1
b71c8e1736f7fb7fc08189c804ac1c1ac59f8a59
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SHA256
778a0c870cc2ff58b29173cadac9f31962311781a6f478d3086aa9576f25786d
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SHA512
b1eee614951896ea0b7f111929c4b2d81fdfe61ff88b40c204547f04b088bd3eae31d9000e20c2d5aeaca812693cd6e2ba0317024e71e4eadc70e772f44d784b
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SSDEEP
24576:hf0xHY18UVlG5hLonP7fseunxFlOR/w0aC97XPVcK2z9sTXl+6FiA08kp/nL+eui:xbj65h2jfsJxrO9wSX+z6DsAbkV+FXxQ
Malware Config
Extracted
amadey
4.20
http://193.233.132.139
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install_dir
5454e6f062
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install_file
explorta.exe
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strings_key
c7a869c5ba1d72480093ec207994e2bf
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url_paths
/sev56rkm/index.php
Extracted
amadey
4.18
http://193.233.132.56
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install_dir
09fd851a4f
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install_file
explorha.exe
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strings_key
443351145ece4966ded809641c77cfa8
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url_paths
/Pneh2sXQk0/index.php
Extracted
risepro
147.45.47.126:58709
Extracted
redline
Test1234
185.215.113.67:26260
Extracted
stealc
http://52.143.157.84
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url_path
/c73eed764cc59dcb.php
Targets
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Target
3d62073c6642613d8c50498ba63c0b01.exe
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Size
1.6MB
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MD5
3d62073c6642613d8c50498ba63c0b01
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SHA1
b71c8e1736f7fb7fc08189c804ac1c1ac59f8a59
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SHA256
778a0c870cc2ff58b29173cadac9f31962311781a6f478d3086aa9576f25786d
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SHA512
b1eee614951896ea0b7f111929c4b2d81fdfe61ff88b40c204547f04b088bd3eae31d9000e20c2d5aeaca812693cd6e2ba0317024e71e4eadc70e772f44d784b
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SSDEEP
24576:hf0xHY18UVlG5hLonP7fseunxFlOR/w0aC97XPVcK2z9sTXl+6FiA08kp/nL+eui:xbj65h2jfsJxrO9wSX+z6DsAbkV+FXxQ
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DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
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Detect ZGRat V1
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Modifies firewall policy service
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PrivateLoader
PrivateLoader is a downloader sold as a pay-per-install malware distribution service.
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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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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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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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Downloads MZ/PE file
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Drops file in Drivers directory
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Modifies Installed Components in the registry
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Modifies Windows Firewall
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Possible attempt to disable PatchGuard
Rootkits can use kernel patching to embed themselves in an operating system.
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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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Identifies Wine through registry keys
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
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Loads dropped DLL
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Accesses cryptocurrency files/wallets, possible credential harvesting
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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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Drops Chrome extension
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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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AutoIT Executable
AutoIT scripts compiled to PE executables.
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Drops file in System32 directory
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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
3PowerShell
2Scheduled Task/Job
1System Services
1Service Execution
1Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
3Windows Service
3Scheduled Task/Job
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
3Windows Service
3Scheduled Task/Job
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
6Disable or Modify System Firewall
1Disable or Modify Tools
3Modify Registry
8Subvert Trust Controls
1Install Root Certificate
1Virtualization/Sandbox Evasion
2Credential Access
Unsecured Credentials
5Credentials In Files
4Credentials in Registry
1