Analysis
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max time kernel
149s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
10/07/2024, 02:34
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
a21a06044e30b02528669ccb38a3379f7e383359133caf0194f52d7a20e7a934.exe
Resource
win7-20240704-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
a21a06044e30b02528669ccb38a3379f7e383359133caf0194f52d7a20e7a934.exe
Resource
win10v2004-20240709-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
a21a06044e30b02528669ccb38a3379f7e383359133caf0194f52d7a20e7a934.exe
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Size
248KB
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MD5
66986c5b41c8f41f3870a2495ed62664
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SHA1
e1e70fbc9da480aa5fcccc6f707d7f5e6d1dac41
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SHA256
a21a06044e30b02528669ccb38a3379f7e383359133caf0194f52d7a20e7a934
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SHA512
e6db4ed66dc349bca6d5e4e343f8fee3db8beadcf47021cdd34b083455533865e82dc69d529bdccc7b073df52367b3433b771986ff7eb0234790fc7fe2abd521
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SSDEEP
3072:Q4clvLhDo0BKxWVeBYhInpMFgYykBgfXKRRpGPlOH+cZknPh2U1l:pclNdgEeqPFXTgfQ6PlOH+gKPMw
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" a21a06044e30b02528669ccb38a3379f7e383359133caf0194f52d7a20e7a934.exe Set value (int) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" piuefej.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\Control Panel\International\Geo\Nation a21a06044e30b02528669ccb38a3379f7e383359133caf0194f52d7a20e7a934.exe -
Executes dropped EXE 1 IoCs
pid Process 2984 piuefej.exe -
Adds Run key to start application 2 TTPs 52 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /j" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /h" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /Y" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /I" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /Q" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /C" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /R" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /D" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /q" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /W" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /z" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /X" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /d" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /b" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /f" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /a" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /y" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /k" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /M" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /u" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /Z" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /g" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /t" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /G" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /J" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /p" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /c" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /E" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /S" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /o" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /e" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /l" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /v" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /T" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /K" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /w" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /P" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /n" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /A" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /m" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /x" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /U" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /n" a21a06044e30b02528669ccb38a3379f7e383359133caf0194f52d7a20e7a934.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /O" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /s" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /N" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /L" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /V" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /r" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /H" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /i" piuefej.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\piuefej = "C:\\Users\\Admin\\piuefej.exe /F" piuefej.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3528 a21a06044e30b02528669ccb38a3379f7e383359133caf0194f52d7a20e7a934.exe 3528 a21a06044e30b02528669ccb38a3379f7e383359133caf0194f52d7a20e7a934.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe 2984 piuefej.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3528 a21a06044e30b02528669ccb38a3379f7e383359133caf0194f52d7a20e7a934.exe 2984 piuefej.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3528 wrote to memory of 2984 3528 a21a06044e30b02528669ccb38a3379f7e383359133caf0194f52d7a20e7a934.exe 84 PID 3528 wrote to memory of 2984 3528 a21a06044e30b02528669ccb38a3379f7e383359133caf0194f52d7a20e7a934.exe 84 PID 3528 wrote to memory of 2984 3528 a21a06044e30b02528669ccb38a3379f7e383359133caf0194f52d7a20e7a934.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\a21a06044e30b02528669ccb38a3379f7e383359133caf0194f52d7a20e7a934.exe"C:\Users\Admin\AppData\Local\Temp\a21a06044e30b02528669ccb38a3379f7e383359133caf0194f52d7a20e7a934.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3528 -
C:\Users\Admin\piuefej.exe"C:\Users\Admin\piuefej.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2984
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
248KB
MD5fced7379ea8dc63e46ac94c0bbb5b547
SHA1b58291017928d6243ec3cd870e6878ab23a30a6d
SHA25677edd37de43e2b24f24df1f5af8a395444aea918dff878aab0d02e018347a6c9
SHA51264ccdea93b26a373501db903342c9572c42bbc3804cf0f46d4d0265a5ad21f3e14e4e957f6240e79b0f962c3235e52536e0375a8d328dc8c763a92c8c0b0cdcd