Overview
overview
7Static
static
1attachment (1).eml
windows10-2004-x64
7attachment (1).eml
windows11-21h2-x64
1CERTIFICAD...ID.pdf
windows10-2004-x64
3CERTIFICAD...ID.pdf
windows11-21h2-x64
3email-html-2.html
windows10-2004-x64
7email-html-2.html
windows11-21h2-x64
7email-plain-1.txt
windows10-2004-x64
1email-plain-1.txt
windows11-21h2-x64
3Analysis
- max time kernel
299s - max time network
279s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
23/05/2026, 02:01
Static task
static1
Behavioral task
behavioral1
Sample
attachment (1).eml
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
attachment (1).eml
Resource
win11-20260513-en
Behavioral task
behavioral3
Sample
CERTIFICADO INGRESO DAVID.pdf
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
CERTIFICADO INGRESO DAVID.pdf
Resource
win11-20260513-en
Behavioral task
behavioral5
Sample
email-html-2.html
Resource
win10v2004-20260513-en
Behavioral task
behavioral6
Sample
email-html-2.html
Resource
win11-20260513-en
Behavioral task
behavioral7
Sample
email-plain-1.txt
Resource
win10v2004-20260513-en
Behavioral task
behavioral8
Sample
email-plain-1.txt
Resource
win11-20260513-en
General
- Target attachment (1).eml
- Size 181KB
- Sample260523-cf29csay5k
- SHA256 c7c2856d9ccc6168a2569fe532e7b9ded177a123574cc0b5aaf769b88411d26d
- MD5 a9c707e8e69fd13cc817086939330506
- SHA1 739718230faf16ec67754d76ce1b61003c85207e
- SHA512 896d0a1562deba097e5091096e890cf342e096e2086cdc52859857f40e305f004c8bcdd6c1bad16ef230af904b7260a25e8dbd72d73bea7884195ae4beda448c
- SSDEEP 3072:AtI4aPb5uHTyYJqkgbcyfN46+N7PI1UBT2xn9tWKpGbsAnbAoavulf:iB8b5uHTtUrbc4O68hq3WKp0sgHOa
- TLSH T17104D0428D623E7ADB94990614EF36EB307C375718F1608E1939EBF3B2D08B4A4F455A
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- A potential corporate email address has been identified in the URL: [email protected]
- Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 OUTLOOK.EXE 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 - 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-1-5-21-2370214745-1838013427-2987045292-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION\OUTLOOK.EXE = "10001" OUTLOOK.EXE - Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 4368 OUTLOOK.EXE 4368 OUTLOOK.EXE - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4368 OUTLOOK.EXE 4368 OUTLOOK.EXE - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4368 OUTLOOK.EXE - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4368 OUTLOOK.EXE 4368 OUTLOOK.EXE - Suspicious use of SendNotifyMessage 1 IoCs
pid Process 4368 OUTLOOK.EXE - Suspicious use of SetWindowsHookEx 32 IoCs
pid Process 4368 OUTLOOK.EXE 4368 OUTLOOK.EXE 4368 OUTLOOK.EXE 4368 OUTLOOK.EXE 4368 OUTLOOK.EXE 4368 OUTLOOK.EXE 4368 OUTLOOK.EXE 4368 OUTLOOK.EXE 4368 OUTLOOK.EXE 4368 OUTLOOK.EXE 4368 OUTLOOK.EXE 4368 OUTLOOK.EXE 4368 OUTLOOK.EXE 4368 OUTLOOK.EXE 4368 OUTLOOK.EXE 4368 OUTLOOK.EXE 4368 OUTLOOK.EXE 4368 OUTLOOK.EXE 4368 OUTLOOK.EXE 4368 OUTLOOK.EXE 4368 OUTLOOK.EXE 4368 OUTLOOK.EXE 4368 OUTLOOK.EXE 4368 OUTLOOK.EXE 4368 OUTLOOK.EXE 4368 OUTLOOK.EXE 4368 OUTLOOK.EXE 4368 OUTLOOK.EXE 4368 OUTLOOK.EXE 4368 OUTLOOK.EXE 4368 OUTLOOK.EXE 4368 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\attachment (1).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:4368
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\Microsoft\UProof\CUSTOM.DIC
- Size 2B
- SHA256 b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
- MD5 f3b25701fe362ec84616a93a45ce9998
- SHA1 d62636d8caec13f04e28442a0a6fa1afeb024bbb
- SHA512 98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
- MD5 SHA1 SHA512