Analysis
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max time kernel
142s -
max time network
113s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
21-05-2024 09:40
Behavioral task
behavioral1
Sample
d0388daa0bde61a385ee1f9b8fcb047e5e6a16b878994f3d8c4cbc6f9b3b3a12.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral2
Sample
d0388daa0bde61a385ee1f9b8fcb047e5e6a16b878994f3d8c4cbc6f9b3b3a12.exe
Resource
win11-20240426-en
General
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Target
d0388daa0bde61a385ee1f9b8fcb047e5e6a16b878994f3d8c4cbc6f9b3b3a12.exe
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Size
5.1MB
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MD5
ce3b2324bd2a44f69a9c91bb17d453b3
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SHA1
ca056e86fee6ddd48150971adeb7a89956a75dea
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SHA256
d0388daa0bde61a385ee1f9b8fcb047e5e6a16b878994f3d8c4cbc6f9b3b3a12
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SHA512
17a81a517c47910022c286391b896cdfca599edb9449c74cef60987c34a5f0d1aa91f54202c098afefa8584a273d771add9ba9f3696531b9982eb56dacbb3067
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SSDEEP
98304:kAofBJtAfoaQI2HVf0bWlq7ax1QSFyDxVjbY6cmsMxotj:kjtSSIsf+E1QUif4DmsMx2j
Malware Config
Signatures
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Modifies firewall policy service 2 TTPs 1 IoCs
Processes:
d0388daa0bde61a385ee1f9b8fcb047e5e6a16b878994f3d8c4cbc6f9b3b3a12.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\FirewallRules\C:\ = "1" d0388daa0bde61a385ee1f9b8fcb047e5e6a16b878994f3d8c4cbc6f9b3b3a12.exe -
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) 2 TTPs 1 IoCs
Processes:
d0388daa0bde61a385ee1f9b8fcb047e5e6a16b878994f3d8c4cbc6f9b3b3a12.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ d0388daa0bde61a385ee1f9b8fcb047e5e6a16b878994f3d8c4cbc6f9b3b3a12.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
d0388daa0bde61a385ee1f9b8fcb047e5e6a16b878994f3d8c4cbc6f9b3b3a12.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion d0388daa0bde61a385ee1f9b8fcb047e5e6a16b878994f3d8c4cbc6f9b3b3a12.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion d0388daa0bde61a385ee1f9b8fcb047e5e6a16b878994f3d8c4cbc6f9b3b3a12.exe -
Processes:
resource yara_rule behavioral2/memory/5024-0-0x0000000140000000-0x00000001411BE000-memory.dmp themida behavioral2/memory/5024-2-0x0000000140000000-0x00000001411BE000-memory.dmp themida behavioral2/memory/5024-7-0x0000000140000000-0x00000001411BE000-memory.dmp themida behavioral2/memory/5024-8-0x0000000140000000-0x00000001411BE000-memory.dmp themida behavioral2/memory/5024-10-0x0000000140000000-0x00000001411BE000-memory.dmp themida behavioral2/memory/5024-11-0x0000000140000000-0x00000001411BE000-memory.dmp themida behavioral2/memory/5024-13-0x0000000140000000-0x00000001411BE000-memory.dmp themida behavioral2/memory/5024-12-0x0000000140000000-0x00000001411BE000-memory.dmp themida behavioral2/memory/5024-14-0x0000000140000000-0x00000001411BE000-memory.dmp themida behavioral2/memory/5024-22-0x0000000140000000-0x00000001411BE000-memory.dmp themida -
Processes:
d0388daa0bde61a385ee1f9b8fcb047e5e6a16b878994f3d8c4cbc6f9b3b3a12.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA d0388daa0bde61a385ee1f9b8fcb047e5e6a16b878994f3d8c4cbc6f9b3b3a12.exe -
Looks up external IP address via web service 4 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 2 api.myip.com 2 ipinfo.io 3 api.myip.com 6 ipinfo.io -
Drops file in System32 directory 4 IoCs
Processes:
d0388daa0bde61a385ee1f9b8fcb047e5e6a16b878994f3d8c4cbc6f9b3b3a12.exedescription ioc process File opened for modification C:\Windows\System32\GroupPolicy d0388daa0bde61a385ee1f9b8fcb047e5e6a16b878994f3d8c4cbc6f9b3b3a12.exe File opened for modification C:\Windows\System32\GroupPolicy\gpt.ini d0388daa0bde61a385ee1f9b8fcb047e5e6a16b878994f3d8c4cbc6f9b3b3a12.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol d0388daa0bde61a385ee1f9b8fcb047e5e6a16b878994f3d8c4cbc6f9b3b3a12.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI d0388daa0bde61a385ee1f9b8fcb047e5e6a16b878994f3d8c4cbc6f9b3b3a12.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
d0388daa0bde61a385ee1f9b8fcb047e5e6a16b878994f3d8c4cbc6f9b3b3a12.exepid process 5024 d0388daa0bde61a385ee1f9b8fcb047e5e6a16b878994f3d8c4cbc6f9b3b3a12.exe 5024 d0388daa0bde61a385ee1f9b8fcb047e5e6a16b878994f3d8c4cbc6f9b3b3a12.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\d0388daa0bde61a385ee1f9b8fcb047e5e6a16b878994f3d8c4cbc6f9b3b3a12.exe"C:\Users\Admin\AppData\Local\Temp\d0388daa0bde61a385ee1f9b8fcb047e5e6a16b878994f3d8c4cbc6f9b3b3a12.exe"1⤵
- Modifies firewall policy service
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Windows\System32\GroupPolicy\gpt.iniFilesize
127B
MD58ef9853d1881c5fe4d681bfb31282a01
SHA1a05609065520e4b4e553784c566430ad9736f19f
SHA2569228f13d82c3dc96b957769f6081e5bac53cffca4ffde0ba1e102d9968f184a2
SHA5125ddee931a08cfea5bb9d1c36355d47155a24d617c2a11d08364ffc54e593064011dee4fea8ac5b67029cab515d3071f0ba0422bb76af492a3115272ba8feb005
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memory/5024-9-0x00007FFEAC700000-0x00007FFEAC7BD000-memory.dmpFilesize
756KB
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memory/5024-8-0x0000000140000000-0x00000001411BE000-memory.dmpFilesize
17.7MB
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memory/5024-3-0x00007FFEAC71A000-0x00007FFEAC71B000-memory.dmpFilesize
4KB
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memory/5024-6-0x00007FFEAC700000-0x00007FFEAC7BD000-memory.dmpFilesize
756KB
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memory/5024-10-0x0000000140000000-0x00000001411BE000-memory.dmpFilesize
17.7MB
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memory/5024-7-0x0000000140000000-0x00000001411BE000-memory.dmpFilesize
17.7MB
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memory/5024-4-0x00007FFEAC700000-0x00007FFEAC7BD000-memory.dmpFilesize
756KB
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memory/5024-0-0x0000000140000000-0x00000001411BE000-memory.dmpFilesize
17.7MB
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memory/5024-2-0x0000000140000000-0x00000001411BE000-memory.dmpFilesize
17.7MB
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memory/5024-11-0x0000000140000000-0x00000001411BE000-memory.dmpFilesize
17.7MB
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memory/5024-13-0x0000000140000000-0x00000001411BE000-memory.dmpFilesize
17.7MB
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memory/5024-12-0x0000000140000000-0x00000001411BE000-memory.dmpFilesize
17.7MB
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memory/5024-5-0x00007FFEAC700000-0x00007FFEAC7BD000-memory.dmpFilesize
756KB
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memory/5024-14-0x0000000140000000-0x00000001411BE000-memory.dmpFilesize
17.7MB
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memory/5024-22-0x0000000140000000-0x00000001411BE000-memory.dmpFilesize
17.7MB
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memory/5024-23-0x00007FFEAC71A000-0x00007FFEAC71B000-memory.dmpFilesize
4KB