Analysis
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max time kernel
22s -
max time network
14s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 17:50
Behavioral task
behavioral1
Sample
SeroXen.exe
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
SeroXen.exe
Resource
win10v2004-20240426-en
General
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Target
SeroXen.exe
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Size
5.5MB
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MD5
e3ea239194c4518d7fc8fb69334168ac
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SHA1
473f96fa10a95f63463d38a62a0ae8248702fddf
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SHA256
1d9af7c6da48e00d634679c064d4ec726c1feb303b2032bd2034c0e5a4626a86
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SHA512
7a7a8d5a02b33ab1b20efb0fba4a9d67ff433684badc4a045ac55a76a11aeac958e70c69b0bf919985fd3729be1e5e568b80b497c6c0b961d7f183f1f6cef1a9
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SSDEEP
98304:PJMhcHp5ooEAnHRVN07KgHDpS18DqBRe7qxKfT1J+tNY3LU4rI2qo:eg53HRVu7vHDpS1IqBRU7kCs2q
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
Processes:
SeroXen.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ SeroXen.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
SeroXen.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion SeroXen.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion SeroXen.exe -
Loads dropped DLL 1 IoCs
Processes:
SeroXen.exepid process 3892 SeroXen.exe -
Obfuscated with Agile.Net obfuscator 1 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
Processes:
resource yara_rule behavioral2/memory/3892-1-0x000001C132860000-0x000001C132DE2000-memory.dmp agile_net -
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\49979061-04bb-41a9-8625-de2d15652f02\AgileDotNetRT64.dll themida behavioral2/memory/3892-9-0x00007FF856DE0000-0x00007FF85763F000-memory.dmp themida behavioral2/memory/3892-10-0x00007FF856DE0000-0x00007FF85763F000-memory.dmp themida behavioral2/memory/3892-16-0x00007FF856DE0000-0x00007FF85763F000-memory.dmp themida -
Processes:
SeroXen.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA SeroXen.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
SeroXen.exepid process 3892 SeroXen.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SeroXen.exe"C:\Users\Admin\AppData\Local\Temp\SeroXen.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\49979061-04bb-41a9-8625-de2d15652f02\AgileDotNetRT64.dllFilesize
3.0MB
MD5e3bd88b3c3e9b33dfa72c814f8826cff
SHA16d220c9eb7ee695f2b9dec261941bed59cac15e4
SHA25628e9458a43e5d86a341590eaa83d0da18c29fce81f2383d84bda484e049a1796
SHA512fcb7e384b5bda0f810c4b6190a991bd066eedfc8fc97af9837cda1ba480385c8bc09bd703c1029f9d8d8a3eea3dbc03af97b014b4713a4ceea6ad6ae85b3b6e9
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memory/3892-11-0x00007FF869560000-0x00007FF8696AE000-memory.dmpFilesize
1.3MB
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memory/3892-1-0x000001C132860000-0x000001C132DE2000-memory.dmpFilesize
5.5MB
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memory/3892-9-0x00007FF856DE0000-0x00007FF85763F000-memory.dmpFilesize
8.4MB
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memory/3892-10-0x00007FF856DE0000-0x00007FF85763F000-memory.dmpFilesize
8.4MB
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memory/3892-8-0x00007FF8598C0000-0x00007FF85A381000-memory.dmpFilesize
10.8MB
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memory/3892-0-0x00007FF8598C3000-0x00007FF8598C5000-memory.dmpFilesize
8KB
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memory/3892-13-0x000001C134B60000-0x000001C134B9C000-memory.dmpFilesize
240KB
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memory/3892-14-0x000001C14D3E0000-0x000001C14D41E000-memory.dmpFilesize
248KB
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memory/3892-12-0x00007FF8598C0000-0x00007FF85A381000-memory.dmpFilesize
10.8MB
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memory/3892-15-0x00007FF8598C0000-0x00007FF85A381000-memory.dmpFilesize
10.8MB
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memory/3892-16-0x00007FF856DE0000-0x00007FF85763F000-memory.dmpFilesize
8.4MB
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memory/3892-17-0x00007FF8598C3000-0x00007FF8598C5000-memory.dmpFilesize
8KB
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memory/3892-18-0x00007FF8598C0000-0x00007FF85A381000-memory.dmpFilesize
10.8MB