Analysis
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max time kernel
170s -
max time network
172s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
12/10/2022, 14:58
Static task
static1
Behavioral task
behavioral1
Sample
f5d00dc51f16230232c8a781182ac75c9b5fd5673b37788262de647bc1870357.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
f5d00dc51f16230232c8a781182ac75c9b5fd5673b37788262de647bc1870357.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
f5d00dc51f16230232c8a781182ac75c9b5fd5673b37788262de647bc1870357.exe
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Size
224KB
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MD5
4ac159e1a786619307ddd1f2b9ca8270
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SHA1
121242a9088d2a5bb72f94477583852bfb9ec1fb
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SHA256
f5d00dc51f16230232c8a781182ac75c9b5fd5673b37788262de647bc1870357
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SHA512
27780a7af07d650c4f77e81c1c03c152b69b28f27cf5a60fbcfd1b36e977047c10181c70e87bdcc87fa6306f708ce564e40d38c6790694adc0ce404a60642edd
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SSDEEP
3072:g4F+94WnEpicE8aAF/OVRjOUbaxxmLQTi2C/9Ks3T+Nru7:gu+umipaAFGDUJS
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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" f5d00dc51f16230232c8a781182ac75c9b5fd5673b37788262de647bc1870357.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" cuatee.exe -
Executes dropped EXE 1 IoCs
pid Process 4696 cuatee.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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation f5d00dc51f16230232c8a781182ac75c9b5fd5673b37788262de647bc1870357.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuatee = "C:\\Users\\Admin\\cuatee.exe /h" cuatee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuatee = "C:\\Users\\Admin\\cuatee.exe /q" cuatee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuatee = "C:\\Users\\Admin\\cuatee.exe /z" cuatee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuatee = "C:\\Users\\Admin\\cuatee.exe /k" cuatee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuatee = "C:\\Users\\Admin\\cuatee.exe /x" cuatee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuatee = "C:\\Users\\Admin\\cuatee.exe /u" cuatee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuatee = "C:\\Users\\Admin\\cuatee.exe /t" cuatee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuatee = "C:\\Users\\Admin\\cuatee.exe /i" cuatee.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ cuatee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuatee = "C:\\Users\\Admin\\cuatee.exe /y" cuatee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuatee = "C:\\Users\\Admin\\cuatee.exe /f" cuatee.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ f5d00dc51f16230232c8a781182ac75c9b5fd5673b37788262de647bc1870357.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuatee = "C:\\Users\\Admin\\cuatee.exe /v" f5d00dc51f16230232c8a781182ac75c9b5fd5673b37788262de647bc1870357.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuatee = "C:\\Users\\Admin\\cuatee.exe /g" cuatee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuatee = "C:\\Users\\Admin\\cuatee.exe /b" cuatee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuatee = "C:\\Users\\Admin\\cuatee.exe /l" cuatee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuatee = "C:\\Users\\Admin\\cuatee.exe /m" cuatee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuatee = "C:\\Users\\Admin\\cuatee.exe /e" cuatee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuatee = "C:\\Users\\Admin\\cuatee.exe /p" cuatee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuatee = "C:\\Users\\Admin\\cuatee.exe /r" cuatee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuatee = "C:\\Users\\Admin\\cuatee.exe /d" cuatee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuatee = "C:\\Users\\Admin\\cuatee.exe /c" cuatee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuatee = "C:\\Users\\Admin\\cuatee.exe /j" cuatee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuatee = "C:\\Users\\Admin\\cuatee.exe /n" cuatee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuatee = "C:\\Users\\Admin\\cuatee.exe /o" cuatee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuatee = "C:\\Users\\Admin\\cuatee.exe /v" cuatee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuatee = "C:\\Users\\Admin\\cuatee.exe /a" cuatee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuatee = "C:\\Users\\Admin\\cuatee.exe /s" cuatee.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuatee = "C:\\Users\\Admin\\cuatee.exe /w" cuatee.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 4820 f5d00dc51f16230232c8a781182ac75c9b5fd5673b37788262de647bc1870357.exe 4820 f5d00dc51f16230232c8a781182ac75c9b5fd5673b37788262de647bc1870357.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe 4696 cuatee.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4820 f5d00dc51f16230232c8a781182ac75c9b5fd5673b37788262de647bc1870357.exe 4696 cuatee.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4820 wrote to memory of 4696 4820 f5d00dc51f16230232c8a781182ac75c9b5fd5673b37788262de647bc1870357.exe 81 PID 4820 wrote to memory of 4696 4820 f5d00dc51f16230232c8a781182ac75c9b5fd5673b37788262de647bc1870357.exe 81 PID 4820 wrote to memory of 4696 4820 f5d00dc51f16230232c8a781182ac75c9b5fd5673b37788262de647bc1870357.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\f5d00dc51f16230232c8a781182ac75c9b5fd5673b37788262de647bc1870357.exe"C:\Users\Admin\AppData\Local\Temp\f5d00dc51f16230232c8a781182ac75c9b5fd5673b37788262de647bc1870357.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:4820 -
C:\Users\Admin\cuatee.exe"C:\Users\Admin\cuatee.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:4696
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
224KB
MD557b301d600e3d2b3e089157bd1dd9617
SHA11b108e711c8e910522337ccc2f4d821b3a01fdf8
SHA256d8ec26f96a4fe4fc96408ce8b72ac0df748522e86ea3b9fbd2e96802b6dfd63a
SHA512560481f386d4ba27f71036a8ae72bd6cf10d6a30c438d06637dbc9bc926bab8178ffbbe6dfa5e7fde935f70e5b2bc1073b1229947d4c05be70fcb1a2538579e8
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Filesize
224KB
MD557b301d600e3d2b3e089157bd1dd9617
SHA11b108e711c8e910522337ccc2f4d821b3a01fdf8
SHA256d8ec26f96a4fe4fc96408ce8b72ac0df748522e86ea3b9fbd2e96802b6dfd63a
SHA512560481f386d4ba27f71036a8ae72bd6cf10d6a30c438d06637dbc9bc926bab8178ffbbe6dfa5e7fde935f70e5b2bc1073b1229947d4c05be70fcb1a2538579e8