Analysis
- max time kernel
148s - max time network
123s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
01/07/2026, 03:13
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
f6c9022a1fcf00dd0b1a31053978e45a4ab4040215abe3f44333b96920ee46e6.exe
Resource
win10v2004-20260513-en
14 signatures
150 seconds
Behavioral task
behavioral2
Sample
f6c9022a1fcf00dd0b1a31053978e45a4ab4040215abe3f44333b96920ee46e6.exe
Resource
win11ltsc2024-20260629-en
8 signatures
150 seconds
General
- Target f6c9022a1fcf00dd0b1a31053978e45a4ab4040215abe3f44333b96920ee46e6.exe
- Size 6.8MB
- Sample260701-dq9a4afs21
- SHA256 f6c9022a1fcf00dd0b1a31053978e45a4ab4040215abe3f44333b96920ee46e6
- MD5 e3e8a5ffff375d930c5a1b4889943f87
- SHA1 721ba998a989e99607ab5f96217ca6e193e66093
- SHA512 912a9d42ef5cbf25a2689247cc4bab2cbe48431c795e18053d9a7887b811aa671f49b1c484866ee326d265ecc6f265829e62171f185989c4bf12b83dc26f0075
- SSDEEP 196608:s1Tdu6JdemyMjpu6a67buEjcmUInErzvF:YoQdemyMlu6arEbUInErzvF
- TLSH T15076EF13D5E6CEF4C12BE6BC4A629332A91474884E32B12D65D5F3666FF0E38A15DB30
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Deletes itself 1 IoCs
pid Process 1740 SystemIdle.exe - Executes dropped EXE 1 IoCs
pid Process 1740 SystemIdle.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3047816590-610495838-277027736-1000\Software\Microsoft\Windows\CurrentVersion\Run\SystemIdle = "\"C:\\Users\\Admin\\AppData\\Local\\Microsoft\\SystemIdle\\SystemIdle.exe\"" reg.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1740 set thread context of 3908 1740 SystemIdle.exe 92 - Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 f6c9022a1fcf00dd0b1a31053978e45a4ab4040215abe3f44333b96920ee46e6.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString f6c9022a1fcf00dd0b1a31053978e45a4ab4040215abe3f44333b96920ee46e6.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 SystemIdle.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString SystemIdle.exe - Modifies registry key 1 TTPs 1 IoCs
pid Process 1704 reg.exe - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1740 SystemIdle.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3516 wrote to memory of 1704 3516 f6c9022a1fcf00dd0b1a31053978e45a4ab4040215abe3f44333b96920ee46e6.exe 89 PID 3516 wrote to memory of 1740 3516 f6c9022a1fcf00dd0b1a31053978e45a4ab4040215abe3f44333b96920ee46e6.exe 91 PID 1740 wrote to memory of 3908 1740 SystemIdle.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\f6c9022a1fcf00dd0b1a31053978e45a4ab4040215abe3f44333b96920ee46e6.exe"C:\Users\Admin\AppData\Local\Temp\f6c9022a1fcf00dd0b1a31053978e45a4ab4040215abe3f44333b96920ee46e6.exe"1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:3516 -
C:\Windows\SYSTEM32\reg.exereg.exe add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v SystemIdle /t REG_SZ /d "\"C:\Users\Admin\AppData\Local\Microsoft\SystemIdle\SystemIdle.exe\"" /f2⤵
- Adds Run key to start application
- Modifies registry key
PID:1704
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C:\Users\Admin\AppData\Local\Microsoft\SystemIdle\SystemIdle.exe"C:\Users\Admin\AppData\Local\Microsoft\SystemIdle\SystemIdle.exe"2⤵
- Deletes itself
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Checks processor information in registry
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1740 -
C:\Windows\System32\taskhostw.exe"C:\Windows\System32\taskhostw.exe"3⤵PID:3908
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\SystemIdle\SystemIdle.exe
- Size 6.8MB
- SHA256 156a6e56dc4ceeeef5eb06834b7a65395f3ff87b1aa73fa32985f912ca096265
- MD5 cbfc68cd20089d824060566ecf5503b2
- SHA1 e0e7e427b3ee29bb023648310beff7fb638df3d1
- SHA512 949252e7af50d3a27ebc3ba5b82154018f31b8b7e43aadb0caaff9a9cb97c62a5e68ac4069aadf217482f4cbf1f93b2f590b32ffb020a3ce6b747fa2be58599a
- SSDEEP 196608:q1Tdu6JdemyMjpu6a67buEjcmUInErzvF:CoQdemyMlu6arEbUInErzvF
- TLSH T1E376EF13D5E6CEF4C12BE6BC4A629332A91474884E32B12D65D5F3666FF0E38A15DB30
- MD5 SHA1 SHA512 SSDEEP TLSH