Analysis
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max time kernel
153s -
max time network
161s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
11/10/2022, 01:35
Static task
static1
Behavioral task
behavioral1
Sample
ab85473efa31b3380674057296aff410bac4313de690ed4d965fdc8167bc87be.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
ab85473efa31b3380674057296aff410bac4313de690ed4d965fdc8167bc87be.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
ab85473efa31b3380674057296aff410bac4313de690ed4d965fdc8167bc87be.exe
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Size
124KB
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MD5
68a83e7b25332564030d2fd30b14ae20
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SHA1
bf550cd9fc313723ccebf5e2a9dc1e8dd7557342
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SHA256
ab85473efa31b3380674057296aff410bac4313de690ed4d965fdc8167bc87be
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SHA512
79b6abb219c11006264238228b6e39bc2fd9e87ce5056112560cc01003494810d5fed5bfffd9fedde8c5bf87281ce4af75ea08db428ed0ee618e0618231bedb8
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SSDEEP
1536:50ceYl02OnF7qnJiq6H48O6j6/t66366Z6Jz36k6eA66KD6sqG/Oji6FA8HxAH6C:GZD2OnF7qJS3e50wMZZZZWMkIJ26
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" ab85473efa31b3380674057296aff410bac4313de690ed4d965fdc8167bc87be.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" quduv.exe -
Executes dropped EXE 1 IoCs
pid Process 4400 quduv.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 ab85473efa31b3380674057296aff410bac4313de690ed4d965fdc8167bc87be.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\quduv = "C:\\Users\\Admin\\quduv.exe /c" quduv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quduv = "C:\\Users\\Admin\\quduv.exe /v" quduv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quduv = "C:\\Users\\Admin\\quduv.exe /h" quduv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quduv = "C:\\Users\\Admin\\quduv.exe /q" quduv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quduv = "C:\\Users\\Admin\\quduv.exe /s" quduv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quduv = "C:\\Users\\Admin\\quduv.exe /j" quduv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quduv = "C:\\Users\\Admin\\quduv.exe /a" quduv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quduv = "C:\\Users\\Admin\\quduv.exe /y" quduv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quduv = "C:\\Users\\Admin\\quduv.exe /y" ab85473efa31b3380674057296aff410bac4313de690ed4d965fdc8167bc87be.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ quduv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quduv = "C:\\Users\\Admin\\quduv.exe /z" quduv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quduv = "C:\\Users\\Admin\\quduv.exe /w" quduv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quduv = "C:\\Users\\Admin\\quduv.exe /d" quduv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quduv = "C:\\Users\\Admin\\quduv.exe /u" quduv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quduv = "C:\\Users\\Admin\\quduv.exe /i" quduv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quduv = "C:\\Users\\Admin\\quduv.exe /t" quduv.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ ab85473efa31b3380674057296aff410bac4313de690ed4d965fdc8167bc87be.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quduv = "C:\\Users\\Admin\\quduv.exe /m" quduv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quduv = "C:\\Users\\Admin\\quduv.exe /k" quduv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quduv = "C:\\Users\\Admin\\quduv.exe /n" quduv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quduv = "C:\\Users\\Admin\\quduv.exe /b" quduv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quduv = "C:\\Users\\Admin\\quduv.exe /p" quduv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quduv = "C:\\Users\\Admin\\quduv.exe /o" quduv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quduv = "C:\\Users\\Admin\\quduv.exe /f" quduv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quduv = "C:\\Users\\Admin\\quduv.exe /l" quduv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quduv = "C:\\Users\\Admin\\quduv.exe /g" quduv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quduv = "C:\\Users\\Admin\\quduv.exe /r" quduv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quduv = "C:\\Users\\Admin\\quduv.exe /e" quduv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quduv = "C:\\Users\\Admin\\quduv.exe /x" quduv.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 3252 ab85473efa31b3380674057296aff410bac4313de690ed4d965fdc8167bc87be.exe 3252 ab85473efa31b3380674057296aff410bac4313de690ed4d965fdc8167bc87be.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe 4400 quduv.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3252 ab85473efa31b3380674057296aff410bac4313de690ed4d965fdc8167bc87be.exe 4400 quduv.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3252 wrote to memory of 4400 3252 ab85473efa31b3380674057296aff410bac4313de690ed4d965fdc8167bc87be.exe 83 PID 3252 wrote to memory of 4400 3252 ab85473efa31b3380674057296aff410bac4313de690ed4d965fdc8167bc87be.exe 83 PID 3252 wrote to memory of 4400 3252 ab85473efa31b3380674057296aff410bac4313de690ed4d965fdc8167bc87be.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\ab85473efa31b3380674057296aff410bac4313de690ed4d965fdc8167bc87be.exe"C:\Users\Admin\AppData\Local\Temp\ab85473efa31b3380674057296aff410bac4313de690ed4d965fdc8167bc87be.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:3252 -
C:\Users\Admin\quduv.exe"C:\Users\Admin\quduv.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:4400
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
124KB
MD5c2e35271e634cc04fd453d73c13cb07d
SHA163cf707ea7214f351e689a3e6b2c2c26a12e8ecc
SHA25640000b4981ecee9cb8d006e5899286780a507517fd4e5865f1ee4915ce1f115f
SHA51243e326ef91a1fb968986a626bc1935bcbf299b51298de0779f56e16d1bb6b8eb74b37976fe4e310f54131ff0214f1bbef01cbc5f950fe652e374b2233e489b2a
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Filesize
124KB
MD5c2e35271e634cc04fd453d73c13cb07d
SHA163cf707ea7214f351e689a3e6b2c2c26a12e8ecc
SHA25640000b4981ecee9cb8d006e5899286780a507517fd4e5865f1ee4915ce1f115f
SHA51243e326ef91a1fb968986a626bc1935bcbf299b51298de0779f56e16d1bb6b8eb74b37976fe4e310f54131ff0214f1bbef01cbc5f950fe652e374b2233e489b2a