Analysis
- max time kernel
66s - max time network
156s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260706-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
07/07/2026, 16:49
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
4a405c754f4797656b6c4ca1f6f2eeabbe6736b5deac36b223e0086d7cc1da7f.exe
Resource
win10v2004-20260513-en
2 signatures
150 seconds
Behavioral task
behavioral2
Sample
4a405c754f4797656b6c4ca1f6f2eeabbe6736b5deac36b223e0086d7cc1da7f.exe
Resource
win11ltsc2024-20260706-en
5 signatures
150 seconds
General
- Target 4a405c754f4797656b6c4ca1f6f2eeabbe6736b5deac36b223e0086d7cc1da7f.exe
- Size 3.3MB
- Sample260707-vbzxjsay5m
- SHA256 4a405c754f4797656b6c4ca1f6f2eeabbe6736b5deac36b223e0086d7cc1da7f
- MD5 165ba046291efb8129f2b39df62915ed
- SHA1 2879e11c1275303c262ef4437b1674de9bc731aa
- SHA512 01e3e4c6df4b334f19afa1dfdf4b5fdcf50490591b7a62b0f9de04156f0adf23ab0e8010e3f64955980b0778bebd9a129cadd8b5b83dea2d600f75c9eab27d9c
- SSDEEP 24576:cESoev8K/NR2tshLDtqJLl/Q4RHXBTf7xyCPftxJBele5r92mCN9NcnQc3xn:cESb8KFR2ODCLlIC3VfQ8Vtxn
- TLSH T1B9F56B06BCD049E9C4ADA77189B361927B34BC090F3527D32E90BB782F36AD19C76794
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
Malware Config
Signatures
- Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2049790993-2338060321-149346055-1000\Software\Microsoft\Active Setup\Installed Components explorer.exe - Modifies registry class 7 IoCs
description ioc Process Set value (data) \REGISTRY\USER\S-1-5-21-2049790993-2338060321-149346055-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff explorer.exe Key created \REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-2049790993-2338060321-149346055-1000\{57ACF82A-BBB9-4283-9D8C-7ED0BE7476FF} explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A8CDFF1C-4878-43be-B5FD-F8091C1C60D0}\Instance\ explorer.exe Key created \REGISTRY\USER\S-1-5-21-2049790993-2338060321-149346055-1000_Classes\Local Settings explorer.exe Key created \REGISTRY\USER\S-1-5-21-2049790993-2338060321-149346055-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Key created \REGISTRY\USER\S-1-5-21-2049790993-2338060321-149346055-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2049790993-2338060321-149346055-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 explorer.exe - Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: SeShutdownPrivilege 4848 explorer.exe Token: SeCreatePagefilePrivilege 4848 explorer.exe Token: SeShutdownPrivilege 4848 explorer.exe Token: SeCreatePagefilePrivilege 4848 explorer.exe Token: SeShutdownPrivilege 4848 explorer.exe Token: SeCreatePagefilePrivilege 4848 explorer.exe Token: SeShutdownPrivilege 4848 explorer.exe Token: SeCreatePagefilePrivilege 4848 explorer.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1132 sihost.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1132 wrote to memory of 4848 1132 sihost.exe 93
Processes
-
C:\Users\Admin\AppData\Local\Temp\4a405c754f4797656b6c4ca1f6f2eeabbe6736b5deac36b223e0086d7cc1da7f.exe"C:\Users\Admin\AppData\Local\Temp\4a405c754f4797656b6c4ca1f6f2eeabbe6736b5deac36b223e0086d7cc1da7f.exe"1⤵PID:1480
-
C:\Windows\system32\sihost.exesihost.exe1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1132 -
C:\Windows\explorer.exeexplorer.exe /LOADSAVEDWINDOWS2⤵
- Boot or Logon Autostart Execution: Active Setup
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:4848
-
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C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca1⤵PID:2992
-
C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵PID:2684
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
- Size 607B
- SHA256 be6b74e52e5eef1f1c27c0976bf3bf1bfa99958c00bbef2898a602f691be6dae
- MD5 76b78ed7ff6273215b134d6a6488035d
- SHA1 9e7a11ffb68d027036302eccd4c22315054843a9
- SHA512 9919504cd4d8c0757abff8da4bbad1c4b6532f81d290c736fc5624ef66de45e6a9e29a8290854ae554d5bdfc5291f1ea81ae62d1b25846bfbcf1515e2ec3e4f1
- TLSH T174F0DC53CBD6536BD527223CC8E207E1FA70E2719E81212386106F2D6CB77241E474B4
- MD5 SHA1 SHA512 TLSH