Analysis
- max time kernel
149s - max time network
145s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
03/05/2026, 14:05
General
- Target 00d5e8c917ee36e5a2544bbd4b8681d1.exe
- Size 328KB
- Sample260503-rd5c9set7l
- SHA256 aecce2f3b3b12111281416e77c65c158b2189c7befa43890ccb2d39ce2900ae5
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 62 IoCs
- Suspicious use of WriteProcessMemory 15 IoCs
Processes
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C:\Windows\system32\sihost.exesihost.exe1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc1⤵
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
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C:\Users\Admin\AppData\Local\Temp\00d5e8c917ee36e5a2544bbd4b8681d1.exe"C:\Users\Admin\AppData\Local\Temp\00d5e8c917ee36e5a2544bbd4b8681d1.exe"2⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\Iqro\yvukt.exe"C:\Users\Admin\AppData\Roaming\Iqro\yvukt.exe"3⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmp0eae6f4a.bat"3⤵
- System Location Discovery: System Language Discovery
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc1⤵
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C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵
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C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca1⤵
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k UdkSvcGroup -s UdkUserSvc1⤵
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{973D20D7-562D-44B9-B70B-5A0F49CCDF3F}1⤵
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C:\Users\Admin\AppData\Roaming\Iqro\yvukt.exeC:\Users\Admin\AppData\Roaming\Iqro\yvukt.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
tmp0eae6f4a.bat
yvukt.exe
memory/1088-48-0x00000000008E0000-0x000000000099B000-memory.dmp
memory/1088-47-0x0000000002150000-0x0000000002196000-memory.dmp
memory/1088-45-0x0000000000400000-0x0000000000446000-memory.dmp
memory/1804-17-0x0000000000400000-0x0000000000455000-memory.dmp
memory/1804-2-0x0000000000400000-0x0000000000455000-memory.dmp
memory/1804-1-0x0000000000400000-0x0000000000455000-memory.dmp
memory/1804-9-0x0000000000400000-0x0000000000455000-memory.dmp
memory/1804-4-0x0000000000400000-0x0000000000446000-memory.dmp
memory/1804-14-0x0000000002330000-0x0000000002376000-memory.dmp
memory/1804-0-0x0000000000403000-0x0000000000404000-memory.dmp
memory/1804-16-0x000000006FFF0000-0x0000000070000000-memory.dmp
memory/1804-15-0x000000006FFF0000-0x0000000070000000-memory.dmp
memory/1804-21-0x0000000002330000-0x0000000002376000-memory.dmp
memory/1804-20-0x000000006FFF0000-0x0000000070000000-memory.dmp
memory/1804-32-0x0000000000400000-0x0000000000446000-memory.dmp
memory/1804-3-0x0000000000400000-0x0000000000446000-memory.dmp
memory/1804-34-0x0000000000A30000-0x0000000000AEB000-memory.dmp
memory/1804-18-0x000000006FFF0000-0x0000000070000000-memory.dmp
memory/1804-23-0x0000000002330000-0x0000000002376000-memory.dmp
memory/1804-19-0x000000006FFF0000-0x0000000070000000-memory.dmp
memory/2140-50-0x0000000000400000-0x0000000000455000-memory.dmp
memory/2140-53-0x0000000000930000-0x00000000009EB000-memory.dmp
memory/2140-80-0x0000000000930000-0x00000000009EB000-memory.dmp
memory/2140-64-0x0000000000930000-0x00000000009EB000-memory.dmp
memory/2140-58-0x0000000000930000-0x00000000009EB000-memory.dmp
memory/2140-56-0x0000000000930000-0x00000000009EB000-memory.dmp
memory/2140-54-0x0000000000400000-0x0000000000446000-memory.dmp
memory/2140-11-0x0000000000400000-0x0000000000455000-memory.dmp
memory/2140-25-0x0000000000400000-0x0000000000446000-memory.dmp
memory/2140-13-0x0000000000400000-0x0000000000455000-memory.dmp
memory/2140-51-0x0000000000400000-0x0000000000455000-memory.dmp
memory/2140-12-0x0000000000400000-0x0000000000455000-memory.dmp
memory/2140-49-0x0000000000400000-0x0000000000455000-memory.dmp
memory/2996-41-0x0000000001360000-0x00000000013A6000-memory.dmp
memory/2996-35-0x000000006FFF0000-0x0000000070000000-memory.dmp
memory/2996-36-0x000000006FFF0000-0x0000000070000000-memory.dmp
memory/2996-37-0x000000006FFF0000-0x0000000070000000-memory.dmp
memory/2996-42-0x0000000001360000-0x00000000013A6000-memory.dmp
memory/2996-31-0x0000000001360000-0x00000000013A6000-memory.dmp
memory/2996-38-0x000000006FFF0000-0x0000000070000000-memory.dmp
memory/2996-40-0x000000006FFF0000-0x0000000070000000-memory.dmp
memory/2996-39-0x000000006FFF0000-0x0000000070000000-memory.dmp