Analysis
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max time kernel
151s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
25/12/2023, 18:30
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
349d76c1341d82b5980344945030fbb9.exe
Resource
win7-20231215-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
349d76c1341d82b5980344945030fbb9.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
349d76c1341d82b5980344945030fbb9.exe
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Size
100KB
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MD5
349d76c1341d82b5980344945030fbb9
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SHA1
915020a60107d9eb144e3cb7bea8c924e2842c7d
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SHA256
36d741700d0604afd13475edbfc79438a1ad10a22277da4a53932aa34f413b95
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SHA512
46a206e7942c6364c64b96529788cbf9a78b1b85dc9724dc356841d409e9123e430fe2a9538784c35f933930a4c1c3d9948e5ae6dd5eab91dafe95b14945a632
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SSDEEP
1536:7Vt0S82NTdwaZYsLGZcYADZPU1+73BD88b0ny2NIj/:TwaZmgZPUQJ2C/
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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 349d76c1341d82b5980344945030fbb9.exe Set value (int) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" hknuur.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-1-5-21-2398549320-3657759451-817663969-1000\Control Panel\International\Geo\Nation 349d76c1341d82b5980344945030fbb9.exe -
Executes dropped EXE 1 IoCs
pid Process 3844 hknuur.exe -
Adds Run key to start application 2 TTPs 53 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /h" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /R" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /d" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /M" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /s" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /H" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /Q" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /N" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /K" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /o" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /t" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /g" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /V" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /P" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /Y" 349d76c1341d82b5980344945030fbb9.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /v" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /S" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /c" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /r" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /E" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /L" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /b" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /O" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /l" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /I" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /y" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /n" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /z" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /x" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /q" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /f" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /w" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /U" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /F" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /i" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /B" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /A" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /Y" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /D" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /e" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /C" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /W" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /k" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /X" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /T" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /a" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /u" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /j" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /J" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /Z" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /m" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /p" hknuur.exe Set value (str) \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hknuur = "C:\\Users\\Admin\\hknuur.exe /G" hknuur.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 556 349d76c1341d82b5980344945030fbb9.exe 556 349d76c1341d82b5980344945030fbb9.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe 3844 hknuur.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 556 349d76c1341d82b5980344945030fbb9.exe 3844 hknuur.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 556 wrote to memory of 3844 556 349d76c1341d82b5980344945030fbb9.exe 90 PID 556 wrote to memory of 3844 556 349d76c1341d82b5980344945030fbb9.exe 90 PID 556 wrote to memory of 3844 556 349d76c1341d82b5980344945030fbb9.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\349d76c1341d82b5980344945030fbb9.exe"C:\Users\Admin\AppData\Local\Temp\349d76c1341d82b5980344945030fbb9.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:556 -
C:\Users\Admin\hknuur.exe"C:\Users\Admin\hknuur.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:3844
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
100KB
MD5b633b7e42ec3a799abae4cb47847ef79
SHA17e749399d66b4820413a56a8ca4660e4fb8012a4
SHA256a09b75fe54f47b046ddc56f10e92251444e98a7c3810f6f9cdb0de40ad2af963
SHA51297ffed078642b25808ebda604cc5f355d812528b6fd77e5012e6979a5e3ac2921e2bd3e797747590b11f92e5b1748efb8232fc0e6d07da9dcdde2b6b99777a9c