Analysis
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max time kernel
151s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
05/12/2022, 23:45
Static task
static1
Behavioral task
behavioral1
Sample
8c115bbcac8b2fec69915901d2703df8bd456a3d3ca6f638298faa0bd9aa298e.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
8c115bbcac8b2fec69915901d2703df8bd456a3d3ca6f638298faa0bd9aa298e.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
8c115bbcac8b2fec69915901d2703df8bd456a3d3ca6f638298faa0bd9aa298e.exe
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Size
224KB
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MD5
f5920a85765d5435dd351aa11d15ead3
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SHA1
cfd3fcabd73a06aeca25ea032e35cae8427e9c86
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SHA256
8c115bbcac8b2fec69915901d2703df8bd456a3d3ca6f638298faa0bd9aa298e
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SHA512
93ec0688ff02a867e6846d4acc0f63840757c9ce5bae329fa577361e7a09fbf0980b92d88662badedff220c6dea76384d767925578093c4659bed4ee9f428f41
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SSDEEP
6144:DfZmBULmk3Uv5KKN0HOO6NYUzASgodcZ0TCxenNLpuScVdDvM:DfcBUuYIAN0TkeNLpTYDU
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" feuziv.exe -
Executes dropped EXE 1 IoCs
pid Process 3728 feuziv.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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation 8c115bbcac8b2fec69915901d2703df8bd456a3d3ca6f638298faa0bd9aa298e.exe -
Adds Run key to start application 2 TTPs 53 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /Y" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /h" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /A" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /S" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /i" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /F" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /T" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /f" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /o" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /N" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /a" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /M" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /E" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /y" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /v" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /O" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /B" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /s" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /t" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /m" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /l" feuziv.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /e" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /p" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /H" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /n" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /W" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /g" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /u" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /D" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /R" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /G" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /V" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /x" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /b" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /L" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /U" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /I" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /q" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /K" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /Z" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /P" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /Q" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /z" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /w" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /j" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /J" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /X" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /r" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /C" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /d" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /c" feuziv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\feuziv = "C:\\Users\\Admin\\feuziv.exe /k" feuziv.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe 3728 feuziv.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4440 8c115bbcac8b2fec69915901d2703df8bd456a3d3ca6f638298faa0bd9aa298e.exe 3728 feuziv.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4440 wrote to memory of 3728 4440 8c115bbcac8b2fec69915901d2703df8bd456a3d3ca6f638298faa0bd9aa298e.exe 79 PID 4440 wrote to memory of 3728 4440 8c115bbcac8b2fec69915901d2703df8bd456a3d3ca6f638298faa0bd9aa298e.exe 79 PID 4440 wrote to memory of 3728 4440 8c115bbcac8b2fec69915901d2703df8bd456a3d3ca6f638298faa0bd9aa298e.exe 79
Processes
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C:\Users\Admin\AppData\Local\Temp\8c115bbcac8b2fec69915901d2703df8bd456a3d3ca6f638298faa0bd9aa298e.exe"C:\Users\Admin\AppData\Local\Temp\8c115bbcac8b2fec69915901d2703df8bd456a3d3ca6f638298faa0bd9aa298e.exe"1⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4440 -
C:\Users\Admin\feuziv.exe"C:\Users\Admin\feuziv.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:3728
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
224KB
MD56b51ae7ac0b6c577bf20e8f3c0e751b7
SHA1281226a2e6e873d240bfb5505ce2777078ba7789
SHA2562bb8b88be3fa56487960eb9a15c6ead169032ec03bc4f84605b9645a126f1122
SHA51237c586d344d081b6592dba73a6aa98c7323bda83ca731d0cbfe9df64bf0fd62a6270a02892cf15f04ac7f7eca1a9ebd0b9fde258537a573cf50d10a8a81242a0
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Filesize
224KB
MD56b51ae7ac0b6c577bf20e8f3c0e751b7
SHA1281226a2e6e873d240bfb5505ce2777078ba7789
SHA2562bb8b88be3fa56487960eb9a15c6ead169032ec03bc4f84605b9645a126f1122
SHA51237c586d344d081b6592dba73a6aa98c7323bda83ca731d0cbfe9df64bf0fd62a6270a02892cf15f04ac7f7eca1a9ebd0b9fde258537a573cf50d10a8a81242a0