Analysis
- max time kernel
149s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
02/06/2026, 01:08
Behavioral task
behavioral1
Sample
tmpz727hod0.exe
Resource
win10ltsc2021-20260513-en
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
tmpz727hod0.exe
Resource
win10v2004-20260513-en
14 signatures
150 seconds
General
- Target tmpz727hod0.exe
- Size 110KB
- Sample260602-bg8xvsas81
- SHA256 6117db50abd6bfbccdd5c70b149c42e052fd3df70700103611a846a6ba049137
- MD5 a4e9be96c1d7727a40c35e7aa7d065b4
- SHA1 77797f1ef8ed56e86600788715496d8055e61bcc
- SHA512 cfe7438df760276744c6aa262392c3fd3cccc75c2faa32808d133dcf5b7458e20eaeff4d5cb4c8f6332d22935fefc3fdfd4b06772d405cd420232c4489273483
- SSDEEP 1536:7iLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:7iyvRmDLs/ZrwWJjAqGcRJ2hg
- TLSH T1FCB34B62F204E88BE817D8F69919CD3168A33DBD4890855E32D9BF6D58B3AD30459F0F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3480 bin.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\16B9AB23 = "C:\\Users\\Admin\\AppData\\Roaming\\16B9AB23\\bin.exe" winver.exe -
resource yara_rule behavioral2/memory/4196-0-0x0000000000400000-0x000000000041E000-memory.dmp upx behavioral2/memory/3480-23-0x0000000000400000-0x000000000041E000-memory.dmp upx behavioral2/files/0x0009000000024378-21.dat upx - Program crash 1 IoCs
pid pid_target Process procid_target 4292 1936 WerFault.exe 89 - 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 tmpz727hod0.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winver.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bin.exe - Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ Explorer.EXE Key created \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Explorer.EXE - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1936 winver.exe 1936 winver.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3276 Explorer.EXE - Suspicious use of AdjustPrivilegeToken 28 IoCs
description pid Process Token: SeShutdownPrivilege 3276 Explorer.EXE Token: SeCreatePagefilePrivilege 3276 Explorer.EXE Token: SeShutdownPrivilege 3276 Explorer.EXE Token: SeCreatePagefilePrivilege 3276 Explorer.EXE Token: SeShutdownPrivilege 3276 Explorer.EXE Token: SeCreatePagefilePrivilege 3276 Explorer.EXE Token: SeShutdownPrivilege 3276 Explorer.EXE Token: SeCreatePagefilePrivilege 3276 Explorer.EXE Token: SeShutdownPrivilege 3276 Explorer.EXE Token: SeCreatePagefilePrivilege 3276 Explorer.EXE Token: SeShutdownPrivilege 3276 Explorer.EXE Token: SeCreatePagefilePrivilege 3276 Explorer.EXE Token: SeShutdownPrivilege 3276 Explorer.EXE Token: SeCreatePagefilePrivilege 3276 Explorer.EXE Token: SeShutdownPrivilege 3276 Explorer.EXE Token: SeCreatePagefilePrivilege 3276 Explorer.EXE Token: SeShutdownPrivilege 3276 Explorer.EXE Token: SeCreatePagefilePrivilege 3276 Explorer.EXE Token: SeShutdownPrivilege 3276 Explorer.EXE Token: SeCreatePagefilePrivilege 3276 Explorer.EXE Token: SeShutdownPrivilege 3276 Explorer.EXE Token: SeCreatePagefilePrivilege 3276 Explorer.EXE Token: SeShutdownPrivilege 3276 Explorer.EXE Token: SeCreatePagefilePrivilege 3276 Explorer.EXE Token: SeShutdownPrivilege 3276 Explorer.EXE Token: SeCreatePagefilePrivilege 3276 Explorer.EXE Token: SeShutdownPrivilege 3276 Explorer.EXE Token: SeCreatePagefilePrivilege 3276 Explorer.EXE - Suspicious use of FindShellTrayWindow 6 IoCs
pid Process 1936 winver.exe 3276 Explorer.EXE 3276 Explorer.EXE 3276 Explorer.EXE 3276 Explorer.EXE 3276 Explorer.EXE - Suspicious use of SendNotifyMessage 3 IoCs
pid Process 3276 Explorer.EXE 3276 Explorer.EXE 3276 Explorer.EXE - Suspicious use of UnmapMainImage 1 IoCs
pid Process 3276 Explorer.EXE - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 4196 wrote to memory of 1936 4196 tmpz727hod0.exe 89 PID 1936 wrote to memory of 3276 1936 winver.exe 56 PID 3276 wrote to memory of 3204 3276 Explorer.EXE PID 3276 wrote to memory of 3204 3276 Explorer.EXE PID 3204 wrote to memory of 3480 3204 Process not Found 98 PID 3204 wrote to memory of 3480 3204 Process not Found 98 PID 1936 wrote to memory of 2876 1936 winver.exe 49
Processes
-
C:\Windows\system32\sihost.exesihost.exe1⤵PID:2876
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3276 -
C:\Users\Admin\AppData\Local\Temp\tmpz727hod0.exe"C:\Users\Admin\AppData\Local\Temp\tmpz727hod0.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4196 -
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:1936 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1936 -s 3524⤵
- Program crash
PID:4292
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-
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C:\Users\Admin\AppData\Roaming\16B9AB23\bin.exeC:\Users\Admin\AppData\Roaming\16B9AB23\bin.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3480
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1936 -ip 19361⤵PID:1720
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\16B9AB23\bin.exe
- Size 110KB
- SHA256 4c334ca2d1fea9b4626854352466fc583f781329ab7c0f7c402c57c8562cd919
- MD5 86095cbfdad0a1c25bb1c7f4d12f5ba2
- SHA1 12de0410bb89f9ffe31ca4d0ba7c4ef211fb3aa4
- SHA512 0ca590db7d8445267225ec26f5deeb912987f4277e70161221dab897d864298310770923585a45901826d5ddd77dcfe3da84f78956ecb777437082b92b37efbd
- SSDEEP 1536:niLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:niyvRmDLs/ZrwWJjAqGcRJ2hg
- TLSH T1ADB34B62F204E88BE817D8F69919CD3168A33DBD4890855E32D9BF6D58B3AD30459F0F
- MD5 SHA1 SHA512 SSDEEP TLSH