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Analysis
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max time kernel
149s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
09/04/2024, 20:26
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
cf2710ca711e03c51b52c1f5f20b5f9c.exe
Resource
win7-20231129-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
cf2710ca711e03c51b52c1f5f20b5f9c.exe
Resource
win10v2004-20240226-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
cf2710ca711e03c51b52c1f5f20b5f9c.exe
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Size
204KB
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MD5
cf2710ca711e03c51b52c1f5f20b5f9c
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SHA1
6667784ce7d182d01fdc5c7e2ee003301155ff41
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SHA256
bc64bd5b8f5795d6ca0fadb314f384a717bd9c527d701d3f50ea6cb44f7eb894
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SHA512
3f6764fb7417bed9b132604d5718bfe01ef6c9fb4412a3eeb5da31acbb1fd3ba2b2602d0adaae757332e516eb3afe6f4e853da83dc7ba67f1a8b5743046fafa3
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SSDEEP
3072:Iu814D52DTWor5J80AisM/8jp6tdlWbRVslWQifgO4F07lD:ItTWqJlRsM/8E/IbRuLifI07
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-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" cf2710ca711e03c51b52c1f5f20b5f9c.exe Set value (int) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" fysauz.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-1-5-21-3270530367-132075249-2153716227-1000\Control Panel\International\Geo\Nation cf2710ca711e03c51b52c1f5f20b5f9c.exe -
Executes dropped EXE 1 IoCs
pid Process 4380 fysauz.exe -
Adds Run key to start application 2 TTPs 52 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /F" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /b" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /S" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /o" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /I" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /c" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /v" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /z" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /J" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /t" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /E" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /c" cf2710ca711e03c51b52c1f5f20b5f9c.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /i" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /V" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /e" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /s" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /T" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /N" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /d" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /k" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /r" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /L" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /R" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /O" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /g" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /j" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /K" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /n" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /W" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /P" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /D" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /U" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /u" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /G" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /B" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /f" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /x" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /q" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /Z" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /a" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /H" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /m" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /w" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /p" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /Q" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /X" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /C" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /y" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /A" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /l" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /Y" fysauz.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fysauz = "C:\\Users\\Admin\\fysauz.exe /h" fysauz.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 4856 cf2710ca711e03c51b52c1f5f20b5f9c.exe 4856 cf2710ca711e03c51b52c1f5f20b5f9c.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe 4380 fysauz.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4856 cf2710ca711e03c51b52c1f5f20b5f9c.exe 4380 fysauz.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4856 wrote to memory of 4380 4856 cf2710ca711e03c51b52c1f5f20b5f9c.exe 92 PID 4856 wrote to memory of 4380 4856 cf2710ca711e03c51b52c1f5f20b5f9c.exe 92 PID 4856 wrote to memory of 4380 4856 cf2710ca711e03c51b52c1f5f20b5f9c.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\cf2710ca711e03c51b52c1f5f20b5f9c.exe"C:\Users\Admin\AppData\Local\Temp\cf2710ca711e03c51b52c1f5f20b5f9c.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:4856 -
C:\Users\Admin\fysauz.exe"C:\Users\Admin\fysauz.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:4380
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
204KB
MD58c960d17a5ea2a105b0f4f88bb8de309
SHA1ad945dde13a1e0198c246a66ad3ab7a9d27e1381
SHA25667710bcf00249b18486adccd2cf268222bd40c0e442c4222cacae356c4088dce
SHA5124025a2eb30ae52d242073c4c6c1c7da298ad9878c31988cf506fc7132d97523b647cdac96d62ff058e34fa71061fd03d5f393ff7b5a557c9fbf7c99ff0808855