Analysis
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max time kernel
152s -
max time network
100s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
03/10/2022, 03:08
Static task
static1
Behavioral task
behavioral1
Sample
75b7cfad626ac33a5e9a4e87354241f1801e34783434656db2db890f1247ecf8.exe
Resource
win7-20220812-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
75b7cfad626ac33a5e9a4e87354241f1801e34783434656db2db890f1247ecf8.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
2 signatures
150 seconds
General
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Target
75b7cfad626ac33a5e9a4e87354241f1801e34783434656db2db890f1247ecf8.exe
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Size
244KB
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MD5
4a3bbb51ddb09ea363e123a96290da30
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SHA1
98bef19be8775cd910110ee4c122bb0dae052ce9
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SHA256
75b7cfad626ac33a5e9a4e87354241f1801e34783434656db2db890f1247ecf8
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SHA512
5ca05d083bbcab5f9668c2aed4f087e13a522c2e08a4387d583daa2fdf912e146f20abfa02025028ce0bfcae64186529563cd31645cc63bf99e2034c7d5fd1b5
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SSDEEP
6144:QBnAa/f7AOiMY+ezjcFOxUPrGbj13GIMHb1M/oiU:QF3GlljcFOxkrGbj13GIMHb1+
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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 75b7cfad626ac33a5e9a4e87354241f1801e34783434656db2db890f1247ecf8.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" kmzoih.exe -
Executes dropped EXE 1 IoCs
pid Process 1988 kmzoih.exe -
Loads dropped DLL 2 IoCs
pid Process 1900 75b7cfad626ac33a5e9a4e87354241f1801e34783434656db2db890f1247ecf8.exe 1900 75b7cfad626ac33a5e9a4e87354241f1801e34783434656db2db890f1247ecf8.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kmzoih = "C:\\Users\\Admin\\kmzoih.exe /i" kmzoih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kmzoih = "C:\\Users\\Admin\\kmzoih.exe /n" kmzoih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kmzoih = "C:\\Users\\Admin\\kmzoih.exe /z" kmzoih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kmzoih = "C:\\Users\\Admin\\kmzoih.exe /h" kmzoih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kmzoih = "C:\\Users\\Admin\\kmzoih.exe /p" kmzoih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kmzoih = "C:\\Users\\Admin\\kmzoih.exe /w" kmzoih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kmzoih = "C:\\Users\\Admin\\kmzoih.exe /b" kmzoih.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 75b7cfad626ac33a5e9a4e87354241f1801e34783434656db2db890f1247ecf8.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kmzoih = "C:\\Users\\Admin\\kmzoih.exe /l" kmzoih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kmzoih = "C:\\Users\\Admin\\kmzoih.exe /f" kmzoih.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ kmzoih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kmzoih = "C:\\Users\\Admin\\kmzoih.exe /y" kmzoih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kmzoih = "C:\\Users\\Admin\\kmzoih.exe /o" kmzoih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kmzoih = "C:\\Users\\Admin\\kmzoih.exe /v" kmzoih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kmzoih = "C:\\Users\\Admin\\kmzoih.exe /u" kmzoih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kmzoih = "C:\\Users\\Admin\\kmzoih.exe /k" kmzoih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kmzoih = "C:\\Users\\Admin\\kmzoih.exe /m" kmzoih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kmzoih = "C:\\Users\\Admin\\kmzoih.exe /e" kmzoih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kmzoih = "C:\\Users\\Admin\\kmzoih.exe /c" kmzoih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kmzoih = "C:\\Users\\Admin\\kmzoih.exe /r" kmzoih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kmzoih = "C:\\Users\\Admin\\kmzoih.exe /a" kmzoih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kmzoih = "C:\\Users\\Admin\\kmzoih.exe /h" 75b7cfad626ac33a5e9a4e87354241f1801e34783434656db2db890f1247ecf8.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kmzoih = "C:\\Users\\Admin\\kmzoih.exe /s" kmzoih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kmzoih = "C:\\Users\\Admin\\kmzoih.exe /t" kmzoih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kmzoih = "C:\\Users\\Admin\\kmzoih.exe /q" kmzoih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kmzoih = "C:\\Users\\Admin\\kmzoih.exe /j" kmzoih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kmzoih = "C:\\Users\\Admin\\kmzoih.exe /g" kmzoih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kmzoih = "C:\\Users\\Admin\\kmzoih.exe /x" kmzoih.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kmzoih = "C:\\Users\\Admin\\kmzoih.exe /d" kmzoih.exe -
Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 75b7cfad626ac33a5e9a4e87354241f1801e34783434656db2db890f1247ecf8.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 75b7cfad626ac33a5e9a4e87354241f1801e34783434656db2db890f1247ecf8.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum kmzoih.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 kmzoih.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 1900 75b7cfad626ac33a5e9a4e87354241f1801e34783434656db2db890f1247ecf8.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe 1988 kmzoih.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1900 75b7cfad626ac33a5e9a4e87354241f1801e34783434656db2db890f1247ecf8.exe 1988 kmzoih.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1900 wrote to memory of 1988 1900 75b7cfad626ac33a5e9a4e87354241f1801e34783434656db2db890f1247ecf8.exe 28 PID 1900 wrote to memory of 1988 1900 75b7cfad626ac33a5e9a4e87354241f1801e34783434656db2db890f1247ecf8.exe 28 PID 1900 wrote to memory of 1988 1900 75b7cfad626ac33a5e9a4e87354241f1801e34783434656db2db890f1247ecf8.exe 28 PID 1900 wrote to memory of 1988 1900 75b7cfad626ac33a5e9a4e87354241f1801e34783434656db2db890f1247ecf8.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\75b7cfad626ac33a5e9a4e87354241f1801e34783434656db2db890f1247ecf8.exe"C:\Users\Admin\AppData\Local\Temp\75b7cfad626ac33a5e9a4e87354241f1801e34783434656db2db890f1247ecf8.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1900 -
C:\Users\Admin\kmzoih.exe"C:\Users\Admin\kmzoih.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1988
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
244KB
MD54a3bbb51ddb09ea363e123a96290da30
SHA198bef19be8775cd910110ee4c122bb0dae052ce9
SHA25675b7cfad626ac33a5e9a4e87354241f1801e34783434656db2db890f1247ecf8
SHA5125ca05d083bbcab5f9668c2aed4f087e13a522c2e08a4387d583daa2fdf912e146f20abfa02025028ce0bfcae64186529563cd31645cc63bf99e2034c7d5fd1b5
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Filesize
244KB
MD54a3bbb51ddb09ea363e123a96290da30
SHA198bef19be8775cd910110ee4c122bb0dae052ce9
SHA25675b7cfad626ac33a5e9a4e87354241f1801e34783434656db2db890f1247ecf8
SHA5125ca05d083bbcab5f9668c2aed4f087e13a522c2e08a4387d583daa2fdf912e146f20abfa02025028ce0bfcae64186529563cd31645cc63bf99e2034c7d5fd1b5
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Filesize
244KB
MD54a3bbb51ddb09ea363e123a96290da30
SHA198bef19be8775cd910110ee4c122bb0dae052ce9
SHA25675b7cfad626ac33a5e9a4e87354241f1801e34783434656db2db890f1247ecf8
SHA5125ca05d083bbcab5f9668c2aed4f087e13a522c2e08a4387d583daa2fdf912e146f20abfa02025028ce0bfcae64186529563cd31645cc63bf99e2034c7d5fd1b5
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Filesize
244KB
MD54a3bbb51ddb09ea363e123a96290da30
SHA198bef19be8775cd910110ee4c122bb0dae052ce9
SHA25675b7cfad626ac33a5e9a4e87354241f1801e34783434656db2db890f1247ecf8
SHA5125ca05d083bbcab5f9668c2aed4f087e13a522c2e08a4387d583daa2fdf912e146f20abfa02025028ce0bfcae64186529563cd31645cc63bf99e2034c7d5fd1b5