Analysis
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max time kernel
191s -
max time network
200s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
02/10/2022, 15:33
Static task
static1
Behavioral task
behavioral1
Sample
b2e5b5824fd52450328cdcd9c5a11091c5e056fb44a00848d3563e404fab0fa9.exe
Resource
win7-20220901-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
b2e5b5824fd52450328cdcd9c5a11091c5e056fb44a00848d3563e404fab0fa9.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
11 signatures
150 seconds
General
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Target
b2e5b5824fd52450328cdcd9c5a11091c5e056fb44a00848d3563e404fab0fa9.exe
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Size
128KB
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MD5
3cc3cfa34e1a264e68a4f4a718ee9ce0
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SHA1
2a1670412e8094849e93068e484f0b1758dc6902
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SHA256
b2e5b5824fd52450328cdcd9c5a11091c5e056fb44a00848d3563e404fab0fa9
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SHA512
354194381ac1edbef02e6a053bf1a24e24986b455240376d10a6054a8739d7e17bd0e4bacd039aba665c85dd084facad46fc586c115e23435e242a50ff918b93
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SSDEEP
3072:2jhrPOPXmDw2zDdMev/Wgvl9LVAOugQQanL4yAGyB:2FrYXmvDdMev/5lulI
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" b2e5b5824fd52450328cdcd9c5a11091c5e056fb44a00848d3563e404fab0fa9.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" derib.exe -
Executes dropped EXE 2 IoCs
pid Process 1116 derib.exe 764 derib.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 b2e5b5824fd52450328cdcd9c5a11091c5e056fb44a00848d3563e404fab0fa9.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\derib = "C:\\Users\\Admin\\derib.exe /s" derib.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\derib = "C:\\Users\\Admin\\derib.exe /q" derib.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\derib = "C:\\Users\\Admin\\derib.exe /f" derib.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\derib = "C:\\Users\\Admin\\derib.exe /x" derib.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\derib = "C:\\Users\\Admin\\derib.exe /v" derib.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\derib = "C:\\Users\\Admin\\derib.exe /a" derib.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\derib = "C:\\Users\\Admin\\derib.exe /c" derib.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\derib = "C:\\Users\\Admin\\derib.exe /z" derib.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\derib = "C:\\Users\\Admin\\derib.exe /b" derib.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\derib = "C:\\Users\\Admin\\derib.exe /n" derib.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\derib = "C:\\Users\\Admin\\derib.exe /y" derib.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\derib = "C:\\Users\\Admin\\derib.exe /o" derib.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\derib = "C:\\Users\\Admin\\derib.exe /w" derib.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\derib = "C:\\Users\\Admin\\derib.exe /p" b2e5b5824fd52450328cdcd9c5a11091c5e056fb44a00848d3563e404fab0fa9.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\derib = "C:\\Users\\Admin\\derib.exe /u" derib.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\derib = "C:\\Users\\Admin\\derib.exe /j" derib.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\derib = "C:\\Users\\Admin\\derib.exe /i" derib.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\derib = "C:\\Users\\Admin\\derib.exe /k" derib.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\derib = "C:\\Users\\Admin\\derib.exe /l" derib.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\derib = "C:\\Users\\Admin\\derib.exe /d" derib.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\derib = "C:\\Users\\Admin\\derib.exe /g" derib.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ derib.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\derib = "C:\\Users\\Admin\\derib.exe /h" derib.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\derib = "C:\\Users\\Admin\\derib.exe /p" derib.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\derib = "C:\\Users\\Admin\\derib.exe /e" derib.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\derib = "C:\\Users\\Admin\\derib.exe /r" derib.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\derib = "C:\\Users\\Admin\\derib.exe /m" derib.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ b2e5b5824fd52450328cdcd9c5a11091c5e056fb44a00848d3563e404fab0fa9.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\derib = "C:\\Users\\Admin\\derib.exe /t" derib.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 b2e5b5824fd52450328cdcd9c5a11091c5e056fb44a00848d3563e404fab0fa9.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 b2e5b5824fd52450328cdcd9c5a11091c5e056fb44a00848d3563e404fab0fa9.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum derib.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 derib.exe -
Drops autorun.inf file 1 TTPs 1 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File opened for modification C:\Users\Admin\c\autorun.inf derib.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 4928 set thread context of 4284 4928 b2e5b5824fd52450328cdcd9c5a11091c5e056fb44a00848d3563e404fab0fa9.exe 81 PID 1116 set thread context of 764 1116 derib.exe 83 -
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 4284 b2e5b5824fd52450328cdcd9c5a11091c5e056fb44a00848d3563e404fab0fa9.exe 4284 b2e5b5824fd52450328cdcd9c5a11091c5e056fb44a00848d3563e404fab0fa9.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe 764 derib.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 4928 b2e5b5824fd52450328cdcd9c5a11091c5e056fb44a00848d3563e404fab0fa9.exe 4284 b2e5b5824fd52450328cdcd9c5a11091c5e056fb44a00848d3563e404fab0fa9.exe 1116 derib.exe 764 derib.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 4928 wrote to memory of 4284 4928 b2e5b5824fd52450328cdcd9c5a11091c5e056fb44a00848d3563e404fab0fa9.exe 81 PID 4928 wrote to memory of 4284 4928 b2e5b5824fd52450328cdcd9c5a11091c5e056fb44a00848d3563e404fab0fa9.exe 81 PID 4928 wrote to memory of 4284 4928 b2e5b5824fd52450328cdcd9c5a11091c5e056fb44a00848d3563e404fab0fa9.exe 81 PID 4928 wrote to memory of 4284 4928 b2e5b5824fd52450328cdcd9c5a11091c5e056fb44a00848d3563e404fab0fa9.exe 81 PID 4928 wrote to memory of 4284 4928 b2e5b5824fd52450328cdcd9c5a11091c5e056fb44a00848d3563e404fab0fa9.exe 81 PID 4928 wrote to memory of 4284 4928 b2e5b5824fd52450328cdcd9c5a11091c5e056fb44a00848d3563e404fab0fa9.exe 81 PID 4928 wrote to memory of 4284 4928 b2e5b5824fd52450328cdcd9c5a11091c5e056fb44a00848d3563e404fab0fa9.exe 81 PID 4928 wrote to memory of 4284 4928 b2e5b5824fd52450328cdcd9c5a11091c5e056fb44a00848d3563e404fab0fa9.exe 81 PID 4928 wrote to memory of 4284 4928 b2e5b5824fd52450328cdcd9c5a11091c5e056fb44a00848d3563e404fab0fa9.exe 81 PID 4284 wrote to memory of 1116 4284 b2e5b5824fd52450328cdcd9c5a11091c5e056fb44a00848d3563e404fab0fa9.exe 82 PID 4284 wrote to memory of 1116 4284 b2e5b5824fd52450328cdcd9c5a11091c5e056fb44a00848d3563e404fab0fa9.exe 82 PID 4284 wrote to memory of 1116 4284 b2e5b5824fd52450328cdcd9c5a11091c5e056fb44a00848d3563e404fab0fa9.exe 82 PID 1116 wrote to memory of 764 1116 derib.exe 83 PID 1116 wrote to memory of 764 1116 derib.exe 83 PID 1116 wrote to memory of 764 1116 derib.exe 83 PID 1116 wrote to memory of 764 1116 derib.exe 83 PID 1116 wrote to memory of 764 1116 derib.exe 83 PID 1116 wrote to memory of 764 1116 derib.exe 83 PID 1116 wrote to memory of 764 1116 derib.exe 83 PID 1116 wrote to memory of 764 1116 derib.exe 83 PID 1116 wrote to memory of 764 1116 derib.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\b2e5b5824fd52450328cdcd9c5a11091c5e056fb44a00848d3563e404fab0fa9.exe"C:\Users\Admin\AppData\Local\Temp\b2e5b5824fd52450328cdcd9c5a11091c5e056fb44a00848d3563e404fab0fa9.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4928 -
C:\Users\Admin\AppData\Local\Temp\b2e5b5824fd52450328cdcd9c5a11091c5e056fb44a00848d3563e404fab0fa9.exe742⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4284 -
C:\Users\Admin\derib.exe"C:\Users\Admin\derib.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1116 -
C:\Users\Admin\derib.exe744⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Maps connected drives based on registry
- Drops autorun.inf file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:764
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
128KB
MD53cc3cfa34e1a264e68a4f4a718ee9ce0
SHA12a1670412e8094849e93068e484f0b1758dc6902
SHA256b2e5b5824fd52450328cdcd9c5a11091c5e056fb44a00848d3563e404fab0fa9
SHA512354194381ac1edbef02e6a053bf1a24e24986b455240376d10a6054a8739d7e17bd0e4bacd039aba665c85dd084facad46fc586c115e23435e242a50ff918b93
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Filesize
128KB
MD53cc3cfa34e1a264e68a4f4a718ee9ce0
SHA12a1670412e8094849e93068e484f0b1758dc6902
SHA256b2e5b5824fd52450328cdcd9c5a11091c5e056fb44a00848d3563e404fab0fa9
SHA512354194381ac1edbef02e6a053bf1a24e24986b455240376d10a6054a8739d7e17bd0e4bacd039aba665c85dd084facad46fc586c115e23435e242a50ff918b93
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Filesize
128KB
MD53cc3cfa34e1a264e68a4f4a718ee9ce0
SHA12a1670412e8094849e93068e484f0b1758dc6902
SHA256b2e5b5824fd52450328cdcd9c5a11091c5e056fb44a00848d3563e404fab0fa9
SHA512354194381ac1edbef02e6a053bf1a24e24986b455240376d10a6054a8739d7e17bd0e4bacd039aba665c85dd084facad46fc586c115e23435e242a50ff918b93