Analysis
- max time kernel
149s - max time network
147s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
23/07/2026, 13:08
Static task
static1
Behavioral task
behavioral1
Sample
Mimecast Large File Send Instructions.eml
Resource
win10v2004-20260513-en
15 signatures
150 seconds
General
- Target Mimecast Large File Send Instructions.eml
- Size 41KB
- Sample260723-qdk4ysdk3w
- SHA256 8a6a69d70107c8806d24069689cf41160662a786974a4cf1e89fa30192f6ff81
- MD5 7a0b0c51ec4b9c99d34c0b176da010ac
- SHA1 88353bd89ca74e2eecb91fa94f8a61074a681182
- SHA512 80c5b4a959109147cbf2e30283fc5d49c5cfca5c50db0f8b3a6e1b6242faa2c4be4045b79d3d13eaf31dec6c5744c7eef10acf8195d8d53e08092230f1de265b
- SSDEEP 384:5rzzTzz/Enc7iDZXKGCXjWpgn0xOyX832uPyRuTbyS8uSaTClOeXagBFgjP:hH5dM0WE
- TLSH T1D813613385D0DDD2597796A1750238F4EA413E5782430938B91EAB29DFBCC9BC3C6B98
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz OUTLOOK.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 OUTLOOK.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString OUTLOOK.EXE Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 OUTLOOK.EXE - Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS OUTLOOK.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily OUTLOOK.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU OUTLOOK.EXE -
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2301830172-776172150-2531349243-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION\OUTLOOK.EXE = "10001" OUTLOOK.EXE - Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 4520 OUTLOOK.EXE 4520 OUTLOOK.EXE - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4520 OUTLOOK.EXE 4520 OUTLOOK.EXE - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4520 OUTLOOK.EXE - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4520 OUTLOOK.EXE 4520 OUTLOOK.EXE - Suspicious use of SendNotifyMessage 1 IoCs
pid Process 4520 OUTLOOK.EXE - Suspicious use of SetWindowsHookEx 30 IoCs
pid Process 4520 OUTLOOK.EXE 4520 OUTLOOK.EXE 4520 OUTLOOK.EXE 4520 OUTLOOK.EXE 4520 OUTLOOK.EXE 4520 OUTLOOK.EXE 4520 OUTLOOK.EXE 4520 OUTLOOK.EXE 4520 OUTLOOK.EXE 4520 OUTLOOK.EXE 4520 OUTLOOK.EXE 4520 OUTLOOK.EXE 4520 OUTLOOK.EXE 4520 OUTLOOK.EXE 4520 OUTLOOK.EXE 4520 OUTLOOK.EXE 4520 OUTLOOK.EXE 4520 OUTLOOK.EXE 4520 OUTLOOK.EXE 4520 OUTLOOK.EXE 4520 OUTLOOK.EXE 4520 OUTLOOK.EXE 4520 OUTLOOK.EXE 4520 OUTLOOK.EXE 4520 OUTLOOK.EXE 4520 OUTLOOK.EXE 4520 OUTLOOK.EXE 4520 OUTLOOK.EXE 4520 OUTLOOK.EXE 4520 OUTLOOK.EXE
Processes
-
C:\Program Files\Microsoft Office\Root\Office16\OUTLOOK.EXE"C:\Program Files\Microsoft Office\Root\Office16\OUTLOOK.EXE" /eml "C:\Users\Admin\AppData\Local\Temp\Mimecast Large File Send Instructions.eml"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:4520