General
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Target
fb5d4c4bdf0345dc729d6799d7a44ab42bf43f7461b96c8c804a265e2c706ae3
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Size
1.7MB
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Sample
240515-dpfbmaeg32
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MD5
eee78c7a48b5de33d2253e4874c57e89
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SHA1
9ac2bf925546e623b4453232b96de8e40c992c2c
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SHA256
fb5d4c4bdf0345dc729d6799d7a44ab42bf43f7461b96c8c804a265e2c706ae3
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SHA512
b60a25acf513de45e6d0f60d01902cba93afad39adaecab8fbd38cea0cac2cfc866f1179a135186e2df5d496afbea3ee2cfe5f9d3ba1584e083c1c9d41074916
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SSDEEP
49152:cY3amfNQFSoZ/yf6RJB8ImDuFsxg5QQU+Q5s:cijNoSoRyf+JB8HD2szgQ+
Behavioral task
behavioral1
Sample
fb5d4c4bdf0345dc729d6799d7a44ab42bf43f7461b96c8c804a265e2c706ae3.exe
Resource
win10v2004-20240508-en
Malware Config
Extracted
amadey
4.20
http://5.42.96.141
http://5.42.96.7
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install_dir
908f070dff
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install_file
explorku.exe
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strings_key
b25a9385246248a95c600f9a061438e1
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url_paths
/go34ko8/index.php
Extracted
Protocol: smtp- Host:
mx.fkksol.com - Port:
587 - Username:
[email protected] - Password:
Qsskdqsskd
Extracted
Protocol: smtp- Host:
smtp.eagleprocessing.com - Port:
587 - Username:
[email protected] - Password:
5drrhzlq
Extracted
Protocol: smtp- Host:
smtp.nifty.ne.jp - Port:
587 - Username:
[email protected] - Password:
Susumu00
Extracted
risepro
147.45.47.126:58709
Targets
-
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Target
fb5d4c4bdf0345dc729d6799d7a44ab42bf43f7461b96c8c804a265e2c706ae3
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Size
1.7MB
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MD5
eee78c7a48b5de33d2253e4874c57e89
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SHA1
9ac2bf925546e623b4453232b96de8e40c992c2c
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SHA256
fb5d4c4bdf0345dc729d6799d7a44ab42bf43f7461b96c8c804a265e2c706ae3
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SHA512
b60a25acf513de45e6d0f60d01902cba93afad39adaecab8fbd38cea0cac2cfc866f1179a135186e2df5d496afbea3ee2cfe5f9d3ba1584e083c1c9d41074916
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SSDEEP
49152:cY3amfNQFSoZ/yf6RJB8ImDuFsxg5QQU+Q5s:cijNoSoRyf+JB8HD2szgQ+
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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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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Creates new service(s)
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Downloads MZ/PE file
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Modifies Windows Firewall
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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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Adds Run key to start application
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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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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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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
1PowerShell
1Scheduled Task/Job
1System Services
2Service Execution
2Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
4Windows Service
4Pre-OS Boot
1Bootkit
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
4Windows Service
4Scheduled Task/Job
1Defense Evasion
Impair Defenses
2Disable or Modify System Firewall
1Modify Registry
2Pre-OS Boot
1Bootkit
1Virtualization/Sandbox Evasion
2