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Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
07/11/2022, 20:46
Static task
static1
Behavioral task
behavioral1
Sample
347cb884636dff3d0bd7bce7da84e6b197f917c91d60dd0fd2c1863938378873.exe
Resource
win7-20220812-en
windows7-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
347cb884636dff3d0bd7bce7da84e6b197f917c91d60dd0fd2c1863938378873.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
10 signatures
150 seconds
General
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Target
347cb884636dff3d0bd7bce7da84e6b197f917c91d60dd0fd2c1863938378873.exe
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Size
221KB
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MD5
02a5acd2b2818430cd7ee45eb1766617
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SHA1
935824d6cdbb285c6c410e354eca70d2234c1370
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SHA256
347cb884636dff3d0bd7bce7da84e6b197f917c91d60dd0fd2c1863938378873
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SHA512
27a26b1c5e4fcede87e4b1716412d5ee2653eb768caffdf1567840bbf5817ae39723ae7f5d5657bbae207d4599fd473398e9549162f1ce809f1a1d73d19fa36d
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SSDEEP
3072:RlV6IEmxHwwAO5AhHJybRGjKy6bUKxZZmmqzXQoYKmKdbA64anhnoqh234Y16Z:tN7j0jxmA4apoqh2l
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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 347cb884636dff3d0bd7bce7da84e6b197f917c91d60dd0fd2c1863938378873.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" gecud.exe -
Executes dropped EXE 1 IoCs
pid Process 4828 gecud.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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation 347cb884636dff3d0bd7bce7da84e6b197f917c91d60dd0fd2c1863938378873.exe -
Adds Run key to start application 2 TTPs 13 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gecud = "C:\\Users\\Admin\\gecud.exe /x" gecud.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gecud = "C:\\Users\\Admin\\gecud.exe /d" gecud.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 347cb884636dff3d0bd7bce7da84e6b197f917c91d60dd0fd2c1863938378873.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gecud = "C:\\Users\\Admin\\gecud.exe /k" 347cb884636dff3d0bd7bce7da84e6b197f917c91d60dd0fd2c1863938378873.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ gecud.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gecud = "C:\\Users\\Admin\\gecud.exe /r" gecud.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gecud = "C:\\Users\\Admin\\gecud.exe /t" gecud.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gecud = "C:\\Users\\Admin\\gecud.exe /l" gecud.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gecud = "C:\\Users\\Admin\\gecud.exe /w" gecud.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gecud = "C:\\Users\\Admin\\gecud.exe /k" gecud.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gecud = "C:\\Users\\Admin\\gecud.exe /h" gecud.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gecud = "C:\\Users\\Admin\\gecud.exe /y" gecud.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gecud = "C:\\Users\\Admin\\gecud.exe /o" gecud.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 value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 gecud.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 347cb884636dff3d0bd7bce7da84e6b197f917c91d60dd0fd2c1863938378873.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 347cb884636dff3d0bd7bce7da84e6b197f917c91d60dd0fd2c1863938378873.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum gecud.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 gecud.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 1852 347cb884636dff3d0bd7bce7da84e6b197f917c91d60dd0fd2c1863938378873.exe 1852 347cb884636dff3d0bd7bce7da84e6b197f917c91d60dd0fd2c1863938378873.exe 1852 347cb884636dff3d0bd7bce7da84e6b197f917c91d60dd0fd2c1863938378873.exe 1852 347cb884636dff3d0bd7bce7da84e6b197f917c91d60dd0fd2c1863938378873.exe 1852 347cb884636dff3d0bd7bce7da84e6b197f917c91d60dd0fd2c1863938378873.exe 1852 347cb884636dff3d0bd7bce7da84e6b197f917c91d60dd0fd2c1863938378873.exe 1852 347cb884636dff3d0bd7bce7da84e6b197f917c91d60dd0fd2c1863938378873.exe 1852 347cb884636dff3d0bd7bce7da84e6b197f917c91d60dd0fd2c1863938378873.exe 1852 347cb884636dff3d0bd7bce7da84e6b197f917c91d60dd0fd2c1863938378873.exe 1852 347cb884636dff3d0bd7bce7da84e6b197f917c91d60dd0fd2c1863938378873.exe 1852 347cb884636dff3d0bd7bce7da84e6b197f917c91d60dd0fd2c1863938378873.exe 1852 347cb884636dff3d0bd7bce7da84e6b197f917c91d60dd0fd2c1863938378873.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe 4828 gecud.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1852 347cb884636dff3d0bd7bce7da84e6b197f917c91d60dd0fd2c1863938378873.exe 4828 gecud.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1852 wrote to memory of 4828 1852 347cb884636dff3d0bd7bce7da84e6b197f917c91d60dd0fd2c1863938378873.exe 82 PID 1852 wrote to memory of 4828 1852 347cb884636dff3d0bd7bce7da84e6b197f917c91d60dd0fd2c1863938378873.exe 82 PID 1852 wrote to memory of 4828 1852 347cb884636dff3d0bd7bce7da84e6b197f917c91d60dd0fd2c1863938378873.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\347cb884636dff3d0bd7bce7da84e6b197f917c91d60dd0fd2c1863938378873.exe"C:\Users\Admin\AppData\Local\Temp\347cb884636dff3d0bd7bce7da84e6b197f917c91d60dd0fd2c1863938378873.exe"1⤵
- 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:1852 -
C:\Users\Admin\gecud.exe"C:\Users\Admin\gecud.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
- Drops autorun.inf file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4828
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
221KB
MD502a5acd2b2818430cd7ee45eb1766617
SHA1935824d6cdbb285c6c410e354eca70d2234c1370
SHA256347cb884636dff3d0bd7bce7da84e6b197f917c91d60dd0fd2c1863938378873
SHA51227a26b1c5e4fcede87e4b1716412d5ee2653eb768caffdf1567840bbf5817ae39723ae7f5d5657bbae207d4599fd473398e9549162f1ce809f1a1d73d19fa36d
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Filesize
221KB
MD502a5acd2b2818430cd7ee45eb1766617
SHA1935824d6cdbb285c6c410e354eca70d2234c1370
SHA256347cb884636dff3d0bd7bce7da84e6b197f917c91d60dd0fd2c1863938378873
SHA51227a26b1c5e4fcede87e4b1716412d5ee2653eb768caffdf1567840bbf5817ae39723ae7f5d5657bbae207d4599fd473398e9549162f1ce809f1a1d73d19fa36d