Analysis
- max time kernel
148s - max time network
126s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
06/10/2026, 14:02
Static task
static1
Behavioral task
behavioral1
Sample
jaffacakes118_Trojan-Downloader.Win32.Upatre.gnre.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
jaffacakes118_Trojan-Downloader.Win32.Upatre.gnre.exe
Resource
win11ltsc2024-20260911-en
General
- Target jaffacakes118_Trojan-Downloader.Win32.Upatre.gnre.exe
- Size 800KB
- Sample261006-rb89fazzdy
- SHA256 516f412c644806e839fe3c6070d83056f2a61d80cc6f23e642c0610676b9c984
- MD5 e149c5632441230d1023f4e0268b215c
- SHA1 2dbb368a87d5c1fafdde6bce9a1b57a8a96caeda
- SHA512 317077bf9d4a2e23b3f7647aec916d4acc6dbeaf379192302e265b69fbe679ac1bd19e1033875b64c2a8d680032f250c9c90ac7f1b317fd9ec382c81c50697c9
- SSDEEP 24576:yCUXoEqxPuSQWa+8ChFN5MP3ulKq44haxT:DU4PxmLWamMmlJDcx
- TLSH T16205F1C47F44AA1FC94A0C791909EB4C6F969EFE5BA0F2733AA53B9A0C373C40605557
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
ps1
-
exe.dropper
http://api.googleanalistics7431.ru/2.0/method/update
Signatures
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
pid Process 1328 powershell.exe - Creates a file in the Startup directory 1 TTPs 1 IoCs
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Isass.lnk cscript.exe - Executes dropped EXE 6 IoCs
pid Process 5468 Isass.exe 5284 Isass.exe 3108 Isass.exe 3544 Isass.exe 5084 Isass.exe 3312 Isass.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows_Antimalware_Host_Syst = "C:\\ProgramData\\MicrosoftCorporation\\Windows\\System32\\Isass.exe" Isass.exe - Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
ioc Process \??\F:\ powershell.exe - Executes a VBScript file via the Windows Script Host. 1 TTPs 2 IoCs
pid Process 3792 cscript.exe 2512 WScript.exe - Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 5368 set thread context of 1236 5368 jaffacakes118_Trojan-Downloader.Win32.Upatre.gnre.exe 88 PID 5468 set thread context of 5284 5468 Isass.exe 94 PID 3108 set thread context of 5084 3108 Isass.exe 107 PID 3544 set thread context of 3312 3544 Isass.exe 115 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 3 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 4492 cmd.exe 5280 cmd.exe 6080 cmd.exe - Program crash 1 IoCs
pid pid_target Process procid_target 1216 5084 WerFault.exe 107 - Reads the TCP/IP host and domain name from the registry 1 TTPs 6 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname Isass.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain Isass.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname Isass.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain Isass.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname jaffacakes118_Trojan-Downloader.Win32.Upatre.gnre.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain jaffacakes118_Trojan-Downloader.Win32.Upatre.gnre.exe - System Location Discovery: System Language Discovery 1 TTPs 13 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 jaffacakes118_Trojan-Downloader.Win32.Upatre.gnre.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language jaffacakes118_Trojan-Downloader.Win32.Upatre.gnre.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Isass.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Isass.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cscript.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Isass.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Isass.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Isass.exe - Kills process with taskkill 1 IoCs
pid Process 2860 taskkill.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 404 schtasks.exe 4932 schtasks.exe - Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 1328 powershell.exe 1328 powershell.exe 1328 powershell.exe 5284 Isass.exe 5284 Isass.exe - Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 5368 jaffacakes118_Trojan-Downloader.Win32.Upatre.gnre.exe Token: SeDebugPrivilege 2860 taskkill.exe Token: SeDebugPrivilege 5468 Isass.exe Token: SeDebugPrivilege 3108 Isass.exe Token: SeDebugPrivilege 3544 Isass.exe Token: SeDebugPrivilege 1328 powershell.exe - Suspicious use of WriteProcessMemory 37 IoCs
description pid Process procid_target PID 5368 wrote to memory of 1236 5368 jaffacakes118_Trojan-Downloader.Win32.Upatre.gnre.exe 88 PID 5368 wrote to memory of 1236 5368 jaffacakes118_Trojan-Downloader.Win32.Upatre.gnre.exe 88 PID 5368 wrote to memory of 1236 5368 jaffacakes118_Trojan-Downloader.Win32.Upatre.gnre.exe 88 PID 5368 wrote to memory of 1236 5368 jaffacakes118_Trojan-Downloader.Win32.Upatre.gnre.exe 88 PID 5368 wrote to memory of 1236 5368 jaffacakes118_Trojan-Downloader.Win32.Upatre.gnre.exe 88 PID 5368 wrote to memory of 1236 5368 jaffacakes118_Trojan-Downloader.Win32.Upatre.gnre.exe 88 PID 5368 wrote to memory of 1236 5368 jaffacakes118_Trojan-Downloader.Win32.Upatre.gnre.exe 88 PID 1236 wrote to memory of 5468 1236 jaffacakes118_Trojan-Downloader.Win32.Upatre.gnre.exe 89 PID 1236 wrote to memory of 4492 1236 jaffacakes118_Trojan-Downloader.Win32.Upatre.gnre.exe 90 PID 4492 wrote to memory of 2860 4492 cmd.exe 92 PID 5468 wrote to memory of 5284 5468 Isass.exe 94 PID 5468 wrote to memory of 5284 5468 Isass.exe 94 PID 5468 wrote to memory of 5284 5468 Isass.exe 94 PID 5468 wrote to memory of 5284 5468 Isass.exe 94 PID 5468 wrote to memory of 5284 5468 Isass.exe 94 PID 5468 wrote to memory of 5284 5468 Isass.exe 94 PID 5468 wrote to memory of 5284 5468 Isass.exe 94 PID 5284 wrote to memory of 404 5284 Isass.exe 96 PID 5284 wrote to memory of 4932 5284 Isass.exe 99 PID 5284 wrote to memory of 5280 5284 Isass.exe 101 PID 5280 wrote to memory of 3792 5280 cmd.exe 103 PID 3108 wrote to memory of 5084 3108 Isass.exe 107 PID 3108 wrote to memory of 5084 3108 Isass.exe 107 PID 3108 wrote to memory of 5084 3108 Isass.exe 107 PID 3108 wrote to memory of 5084 3108 Isass.exe 107 PID 3108 wrote to memory of 5084 3108 Isass.exe 107 PID 3108 wrote to memory of 5084 3108 Isass.exe 107 PID 3108 wrote to memory of 5084 3108 Isass.exe 107 PID 2512 wrote to memory of 6080 2512 WScript.exe 112 PID 6080 wrote to memory of 1328 6080 cmd.exe 114 PID 3544 wrote to memory of 3312 3544 Isass.exe 115 PID 3544 wrote to memory of 3312 3544 Isass.exe 115 PID 3544 wrote to memory of 3312 3544 Isass.exe 115 PID 3544 wrote to memory of 3312 3544 Isass.exe 115 PID 3544 wrote to memory of 3312 3544 Isass.exe 115 PID 3544 wrote to memory of 3312 3544 Isass.exe 115 PID 3544 wrote to memory of 3312 3544 Isass.exe 115
Processes
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C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Downloader.Win32.Upatre.gnre.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Downloader.Win32.Upatre.gnre.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5368 -
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Downloader.Win32.Upatre.gnre.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Downloader.Win32.Upatre.gnre.exe"2⤵
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1236 -
C:\ProgramData\MicrosoftCorporation\Windows\System32\Isass.exe"C:\ProgramData\MicrosoftCorporation\Windows\System32\Isass.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5468 -
C:\ProgramData\MicrosoftCorporation\Windows\System32\Isass.exe"C:\ProgramData\MicrosoftCorporation\Windows\System32\Isass.exe"4⤵
- Executes dropped EXE
- Adds Run key to start application
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5284 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 30 /TN "Windows_Antimalware_Host" /TR "C:\ProgramData\WindowsAppCertification\checker.vbs" /F5⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:404
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 5 /TN "Windows_Antimalware_Host_Systm" /TR "C:\ProgramData\MicrosoftCorporation\Windows\System32\Isass.exe" /F5⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4932
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c echo Set oWS = WScript.CreateObject("WScript.Shell") > CreateShortcut.vbs & echo sLinkFile = "%USERPROFILE%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Isass.lnk" >> CreateShortcut.vbs & echo Set oLink = oWS.CreateShortcut(sLinkFile) >> CreateShortcut.vbs & echo oLink.TargetPath = "C:\ProgramData\MicrosoftCorporation\Windows\System32\Isass.exe" >> CreateShortcut.vbs & echo oLink.Save >> CreateShortcut.vbs & cscript CreateShortcut.vbs & del CreateShortcut.vbs5⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5280 -
C:\Windows\SysWOW64\cscript.execscript CreateShortcut.vbs6⤵
- Creates a file in the Startup directory
- Executes a VBScript file via the Windows Script Host.
- System Location Discovery: System Language Discovery
PID:3792
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im jaffacakes118_Trojan-Downloader.Win32.Upatre.gnre.exe /f & erase C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Downloader.Win32.Upatre.gnre.exe & exit3⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4492 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im jaffacakes118_Trojan-Downloader.Win32.Upatre.gnre.exe /f4⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2860
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C:\ProgramData\MicrosoftCorporation\Windows\System32\Isass.exeC:\ProgramData\MicrosoftCorporation\Windows\System32\Isass.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3108 -
C:\ProgramData\MicrosoftCorporation\Windows\System32\Isass.exe"C:\ProgramData\MicrosoftCorporation\Windows\System32\Isass.exe"2⤵
- Executes dropped EXE
PID:5084 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5084 -s 5003⤵
- Program crash
PID:1216
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C:\PROGRA~3\MICROS~3\Windows\System32\Isass.exeC:\PROGRA~3\MICROS~3\Windows\System32\Isass.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3544 -
C:\PROGRA~3\MICROS~3\Windows\System32\Isass.exe"C:\PROGRA~3\MICROS~3\Windows\System32\Isass.exe"2⤵
- Executes dropped EXE
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
PID:3312
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\ProgramData\WindowsAppCertification\checker.vbs"1⤵
- Executes a VBScript file via the Windows Script Host.
- Suspicious use of WriteProcessMemory
PID:2512 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\ProgramData\WindowsAppCertification\cert.cmd" "2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:6080 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -WindowStyle Hidden -ExecutionPolicy Bypass -NoP -file C:\ProgramData\WindowsAppCertification\WindowHelperStorageHostSystemThread.ps13⤵
- Command and Scripting Interpreter: PowerShell
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1328
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 5084 -ip 50841⤵PID:1552
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
3PowerShell
1Visual Basic
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Scheduled Task/Job
1Scheduled Task
1Replay Monitor
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Downloads
- Path C:\ProgramData\MicrosoftCorporation\Windows\System32\Isass.exe
- Size 800KB
- SHA256 516f412c644806e839fe3c6070d83056f2a61d80cc6f23e642c0610676b9c984
- MD5 e149c5632441230d1023f4e0268b215c
- SHA1 2dbb368a87d5c1fafdde6bce9a1b57a8a96caeda
- SHA512 317077bf9d4a2e23b3f7647aec916d4acc6dbeaf379192302e265b69fbe679ac1bd19e1033875b64c2a8d680032f250c9c90ac7f1b317fd9ec382c81c50697c9
- SSDEEP 24576:yCUXoEqxPuSQWa+8ChFN5MP3ulKq44haxT:DU4PxmLWamMmlJDcx
- TLSH T16205F1C47F44AA1FC94A0C791909EB4C6F969EFE5BA0F2733AA53B9A0C373C40605557
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\ProgramData\WindowsAppCertification\WindowHelperStorageHostSystemThread.ps1
- Size 385B
- SHA256 244a6c0882dfbec5516114e08487c884c7a460f44ed433fd3e7a18b2c02fc7ae
- MD5 6a01bb88190f8bd93a64d4b4d9b02cec
- SHA1 467087eb4d306ab1821dc3a4674d71a4363db9c2
- SHA512 cfcf054541ee6079065f8e8c0ae3874b4630bffe46a18214c64026b343cfad4760e157d1f336b8e68c097f34955bcbbd87f00cf6bfa79115c7c3abf0cd484b71
- TLSH T19CE06858A932E369D112F7C5FBBF8780981384DF1201A934A8FC8405DCF01185F9C3B9
- MD5 SHA1 SHA512 TLSH
- Path C:\ProgramData\WindowsAppCertification\cert.cmd
- Size 157B
- SHA256 9ad1b0c67aa745cb2ab0f1238df71ba4f3b7742f572acf64d13c9876b34c42a2
- MD5 3b6af3b1f0fd440fe1032c43bb588009
- SHA1 ccdc32493b771b14d603769bc2a258f3e08f335d
- SHA512 08cf2c5526e1f5d4ea068a491024565a5401f3149bd6c327fbc38a1d6c76f00adc4213a415c382591a19ecf16dcc9b13d5fb33aef2486765ab1ea72df121e956
- TLSH T10FC08C1218A0AB889B938E36518B97302B2B2006B7045221A1B3812BFC09A95D22D3DD
- MD5 SHA1 SHA512 TLSH
- Path C:\ProgramData\WindowsAppCertification\checker.vbs
- Size 112B
- SHA256 6d02b3b430d85bd64bc3b4ade00e7cb2a474638517fb404fb459feb90980a522
- MD5 836b07a4c30236c59edb931d8018b582
- SHA1 8b494e00c1bd28cb46d905deeca3283423cd0d93
- SHA512 3c12120e08eb8ae558afe594550ac697cde0677f6f9effa2b5b1316d919bc0a936bee08b4361581a6e2b80fd2315f6b007f8a7d7312cb3479bef00cc236c85e7
- TLSH T192B01204D82DCD50B6DBC3F613BB55088B99D46634126C3142D0C1C9D310A6113362A2
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\CreateShortcut.vbs
- Size 301B
- SHA256 e09cdf3b409359ce825a2f2d7374bfc0e2ec73918c0b8a99bf82020983b5f061
- MD5 3d15afe532f8557346923c203c3ac844
- SHA1 9fe087e6f38776dedb070ad49685c16e37580f0c
- SHA512 9237ab885672933005fc1b0a7794f615336da16981a7e1e5d2b4821e3c443a3a608658c144b41b61334eba2284e79b2ace5a6df2ffc73709d2c83d5f0a40bfd0
- TLSH T115E0CDD47118C29BC12333524577DE0CD564D59F36079E314854DE4D7944A548FB5183
- MD5 SHA1 SHA512 TLSH