Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
22/05/2026, 12:07
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
tmpxtvae48d.exe
Resource
win10ltsc2021-20260513-en
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
tmpxtvae48d.exe
Resource
win10v2004-20260513-en
12 signatures
150 seconds
Behavioral task
behavioral3
Sample
tmpxtvae48d.exe
Resource
win11-20260513-en
11 signatures
150 seconds
General
- Target tmpxtvae48d.exe
- Size 51KB
- Sample260522-pak44sat2p
- SHA256 12e480e8ab31795f2412182453f4b07eac197b7f6bdbbc0bf53e3c7d616a7466
- MD5 2a8badacb51508c0aaa0b98902e96de0
- SHA1 8a0965fc09af128603e37d8bdfefb2511225043d
- SHA512 ebd6257a5ee566700a33f0cd000f908d3640533b2b15c0874bc38768af7cc4a54cdc0c482976817469a099deb26cb6f5933d6f62eda9bd7712278a472aa1c99f
- SSDEEP 768:afrWSEzgqRrBoHxOrwal5RxKwKZOyN/4BxG+C2GqymmcqGncVyR9Jg:afDEBBoHq7RxgV/twyzEcM9Jg
- TLSH T13433081093F6E117E8B79AF81E698D0109777E345874C17E72C84EAE2BB3DD28951B23
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1828 bin.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\A8C3D2F4 = "C:\\Users\\Admin\\AppData\\Roaming\\A8C3D2F4\\bin.exe" winver.exe - Program crash 1 IoCs
pid pid_target Process procid_target 3312 4680 WerFault.exe 88 - 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 tmpxtvae48d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winver.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bin.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4680 winver.exe 4680 winver.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3364 Explorer.EXE - Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeShutdownPrivilege 3364 Explorer.EXE Token: SeCreatePagefilePrivilege 3364 Explorer.EXE Token: SeShutdownPrivilege 3364 Explorer.EXE Token: SeCreatePagefilePrivilege 3364 Explorer.EXE Token: SeShutdownPrivilege 3364 Explorer.EXE Token: SeCreatePagefilePrivilege 3364 Explorer.EXE Token: SeShutdownPrivilege 3364 Explorer.EXE Token: SeCreatePagefilePrivilege 3364 Explorer.EXE Token: SeShutdownPrivilege 3364 Explorer.EXE Token: SeCreatePagefilePrivilege 3364 Explorer.EXE Token: SeShutdownPrivilege 3364 Explorer.EXE Token: SeCreatePagefilePrivilege 3364 Explorer.EXE - Suspicious use of FindShellTrayWindow 4 IoCs
pid Process 4680 winver.exe 3364 Explorer.EXE 3364 Explorer.EXE 3364 Explorer.EXE - Suspicious use of SendNotifyMessage 3 IoCs
pid Process 3364 Explorer.EXE 3364 Explorer.EXE 3364 Explorer.EXE - Suspicious use of UnmapMainImage 1 IoCs
pid Process 3364 Explorer.EXE - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2576 wrote to memory of 4680 2576 tmpxtvae48d.exe 88 PID 4680 wrote to memory of 3364 4680 winver.exe 55 PID 3364 wrote to memory of 64 3364 Explorer.EXE PID 3364 wrote to memory of 64 3364 Explorer.EXE PID 64 wrote to memory of 1828 64 Process not Found 97 PID 64 wrote to memory of 1828 64 Process not Found 97 PID 4680 wrote to memory of 2864 4680 winver.exe 47
Processes
-
C:\Windows\system32\sihost.exesihost.exe1⤵PID:2864
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3364 -
C:\Users\Admin\AppData\Local\Temp\tmpxtvae48d.exe"C:\Users\Admin\AppData\Local\Temp\tmpxtvae48d.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2576 -
C:\Windows\SysWOW64\winver.exewinver3⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4680 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4680 -s 3524⤵
- Program crash
PID:3312
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-
-
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C:\Users\Admin\AppData\Roaming\A8C3D2F4\bin.exeC:\Users\Admin\AppData\Roaming\A8C3D2F4\bin.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1828
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4680 -ip 46801⤵PID:1192
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\A8C3D2F4\bin.exe
- Size 51KB
- SHA256 c4f4ea5f6a5646f334450bc7c801ec193418e67f3f1f59a1073db3558296cb53
- MD5 cac87cc0e8cfe4d607f635a0c39819a5
- SHA1 df534f7ebb8fa8901523979d0bc4366ccfd21ee8
- SHA512 f94cc1fa64761d7900533ae04c3dd89c6132315d86a93ccf9b09e1d7d62cef93020ab6f1536e1ae7784b45030f13f93f1fe98af6047378e537b549de5d40e0c9
- SSDEEP 768:wfrWSEzgqRrBoHxOrwal5RxKwKZOyN/4BxG+C2GqymmcqGncVyR9Jg:wfDEBBoHq7RxgV/twyzEcM9Jg
- TLSH T1FA33081093F6E117E8B79AF81E698D0109777E345874C17E72C84EAE2BB3DD28951B23
- MD5 SHA1 SHA512 SSDEEP TLSH