Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
16/09/2026, 12:11
Static task
static1
Behavioral task
behavioral1
Sample
7bd8416f4b652fb89937e4fa4acb9d10531290d6042f23950c09cf2fd0eee0e2.exe
Resource
win10v2004-20260911-en
General
- Target 7bd8416f4b652fb89937e4fa4acb9d10531290d6042f23950c09cf2fd0eee0e2.exe
- Size 7.1MB
- Sample260916-pcxwpaxyft
- SHA256 7bd8416f4b652fb89937e4fa4acb9d10531290d6042f23950c09cf2fd0eee0e2
- MD5 8d01f5a1d42fec23a92182fce7079963
- SHA1 2c440f93b936e3aaa1672e05dbe4c521027724b6
- SHA512 afdce8a557efba85adcbea5c01c430755362f1022ac2f2ad9dfcae9d432555c4c125ca62ee4d625ef17ccf6be1a190fff754743a670895ad72f03a695e94479c
- SSDEEP 196608:tt7yiWO7yiv7yi+qO7yiv7yiBy4qO7yivj:txDZQZvfR
- TLSH T15376F123A3A05433E17717399C6B53699936BE103E39DD072BE46C0C9EB97817C2A367
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Sets service image path in registry 3 TTPs 1 IoCs
This determines the executable launched when a service starts. It can be used to establish persistence.
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\ubnfat.sys\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\ubnfat.sys" p.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-240542094-4193773837-3211495583-1000\Control Panel\International\Geo\Nation p.exe - Executes dropped EXE 1 IoCs
pid Process 736 p.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 3896 cmd.exe - System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 7bd8416f4b652fb89937e4fa4acb9d10531290d6042f23950c09cf2fd0eee0e2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language p.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Suspicious behavior: LoadsDriver 1 IoCs
pid Process 736 p.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 736 p.exe Token: SeLoadDriverPrivilege 736 p.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 736 p.exe 736 p.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4836 wrote to memory of 736 4836 7bd8416f4b652fb89937e4fa4acb9d10531290d6042f23950c09cf2fd0eee0e2.exe 85 PID 736 wrote to memory of 3896 736 p.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\7bd8416f4b652fb89937e4fa4acb9d10531290d6042f23950c09cf2fd0eee0e2.exe"C:\Users\Admin\AppData\Local\Temp\7bd8416f4b652fb89937e4fa4acb9d10531290d6042f23950c09cf2fd0eee0e2.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4836 -
C:\Users\Admin\AppData\Local\Temp\p.exeC:\Users\Admin\AppData\Local\Temp\p.exe -run2⤵
- Sets service image path in registry
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:736 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\p.bat" "3⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
PID:3896
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Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\p.bat
- Size 129B
- SHA256 f5666011c1f17bd6c181a507ec88c0bf39d7aa7068edb1fe84e04e091a0a89bf
- MD5 accf2b82850ecd3365dbb3fee08884c1
- SHA1 defccb7fbfeca682d4c7d6631a302caba80eded4
- SHA512 34d1d23d7ac3d8138ec5f1f7c40d20bb68a01ece13074e7fe521116d00fb8f4f814cc3ce3c534e9369f04dd069fb1eaf2c339d59297aa7a4963efc7175366b72
- TLSH T1C5B02B0141838659080028670E7A208CF16908FA3F452B240621804E15C201CF9E7301
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\p.exe
- Size 7.7MB
- SHA256 9cfe33c464c19e34136a8c853f1293573d0c6904a401d3b0fa8088fe4e937080
- MD5 373021cb5fef5989b9ed5b0528ad5cda
- SHA1 d5896975a03be48de1acd743e25219a1405322e9
- SHA512 a5e4c6ab904450b09676de4a0cd1781451b1c070b486437d13b2d5fcd8aa92e533d7d86126f4ce2ccc67256884c80ce440408db5f1a1ec3008f5432728412ef5
- SSDEEP 196608:tt7yiWO7yiv7yi+qO7yiv7yiBy4qO7yiv3yit:txDZQZvf1f
- TLSH T19586F123A3A05433E17717399C6B53699936BE103E39DD072BE46C0CAEB97817C2A357
- MD5 SHA1 SHA512 SSDEEP TLSH