Analysis
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max time kernel
152s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
03/10/2022, 16:29
Static task
static1
Behavioral task
behavioral1
Sample
af8b1a82049ef9f46dd3ac6686365c88f4b837079c8187d3dd0a54d5558de13b.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
af8b1a82049ef9f46dd3ac6686365c88f4b837079c8187d3dd0a54d5558de13b.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
af8b1a82049ef9f46dd3ac6686365c88f4b837079c8187d3dd0a54d5558de13b.exe
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Size
268KB
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MD5
5fb2b18d1989a2e04f0ee9580317629f
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SHA1
5de1af8549188430ae3fa8be807eac3e283ce64a
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SHA256
af8b1a82049ef9f46dd3ac6686365c88f4b837079c8187d3dd0a54d5558de13b
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SHA512
a47984f3b1c995d3b8750f894df9a2290b347caddaff3985273effbf06de7e04347e9ffd00f33348fa7b1c0148d93ab592c4e2892548aabdb2cf762f2c59ab38
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SSDEEP
3072:JE4rOCwwssPUTVY7fhINP7JsfLBsyVEJ8Ixjtmkp44upWuTNgX8Tjee/L1p3W6g8:OM5sgfuNPK5VEVtmk4DAuTxeO3x
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" af8b1a82049ef9f46dd3ac6686365c88f4b837079c8187d3dd0a54d5558de13b.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" duacew.exe -
Executes dropped EXE 1 IoCs
pid Process 4936 duacew.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 af8b1a82049ef9f46dd3ac6686365c88f4b837079c8187d3dd0a54d5558de13b.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\duacew = "C:\\Users\\Admin\\duacew.exe /o" duacew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duacew = "C:\\Users\\Admin\\duacew.exe /y" af8b1a82049ef9f46dd3ac6686365c88f4b837079c8187d3dd0a54d5558de13b.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duacew = "C:\\Users\\Admin\\duacew.exe /h" duacew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duacew = "C:\\Users\\Admin\\duacew.exe /g" duacew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duacew = "C:\\Users\\Admin\\duacew.exe /m" duacew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duacew = "C:\\Users\\Admin\\duacew.exe /e" duacew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duacew = "C:\\Users\\Admin\\duacew.exe /i" duacew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duacew = "C:\\Users\\Admin\\duacew.exe /v" duacew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duacew = "C:\\Users\\Admin\\duacew.exe /f" duacew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duacew = "C:\\Users\\Admin\\duacew.exe /k" duacew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duacew = "C:\\Users\\Admin\\duacew.exe /z" duacew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duacew = "C:\\Users\\Admin\\duacew.exe /w" duacew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duacew = "C:\\Users\\Admin\\duacew.exe /x" duacew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duacew = "C:\\Users\\Admin\\duacew.exe /t" duacew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duacew = "C:\\Users\\Admin\\duacew.exe /c" duacew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duacew = "C:\\Users\\Admin\\duacew.exe /d" duacew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duacew = "C:\\Users\\Admin\\duacew.exe /a" duacew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duacew = "C:\\Users\\Admin\\duacew.exe /r" duacew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duacew = "C:\\Users\\Admin\\duacew.exe /y" duacew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duacew = "C:\\Users\\Admin\\duacew.exe /u" duacew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duacew = "C:\\Users\\Admin\\duacew.exe /s" duacew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duacew = "C:\\Users\\Admin\\duacew.exe /b" duacew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duacew = "C:\\Users\\Admin\\duacew.exe /n" duacew.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ af8b1a82049ef9f46dd3ac6686365c88f4b837079c8187d3dd0a54d5558de13b.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ duacew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duacew = "C:\\Users\\Admin\\duacew.exe /j" duacew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duacew = "C:\\Users\\Admin\\duacew.exe /l" duacew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duacew = "C:\\Users\\Admin\\duacew.exe /q" duacew.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duacew = "C:\\Users\\Admin\\duacew.exe /p" duacew.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 1984 af8b1a82049ef9f46dd3ac6686365c88f4b837079c8187d3dd0a54d5558de13b.exe 1984 af8b1a82049ef9f46dd3ac6686365c88f4b837079c8187d3dd0a54d5558de13b.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe 4936 duacew.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1984 af8b1a82049ef9f46dd3ac6686365c88f4b837079c8187d3dd0a54d5558de13b.exe 4936 duacew.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1984 wrote to memory of 4936 1984 af8b1a82049ef9f46dd3ac6686365c88f4b837079c8187d3dd0a54d5558de13b.exe 82 PID 1984 wrote to memory of 4936 1984 af8b1a82049ef9f46dd3ac6686365c88f4b837079c8187d3dd0a54d5558de13b.exe 82 PID 1984 wrote to memory of 4936 1984 af8b1a82049ef9f46dd3ac6686365c88f4b837079c8187d3dd0a54d5558de13b.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\af8b1a82049ef9f46dd3ac6686365c88f4b837079c8187d3dd0a54d5558de13b.exe"C:\Users\Admin\AppData\Local\Temp\af8b1a82049ef9f46dd3ac6686365c88f4b837079c8187d3dd0a54d5558de13b.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:1984 -
C:\Users\Admin\duacew.exe"C:\Users\Admin\duacew.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:4936
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
268KB
MD5809816909aed62cb1d5326c61e19842e
SHA1628ff6cc1c9739450ad3b907bd83eb722296d495
SHA256e01b6b07598a351d7e6cc632a34070b16155edfba93f8f9e3ce99c94df525259
SHA512978886f434941b28d8e05b4526c92cdfeed1a308ed390335e72f848ca3d558b6c47c332bb3565cdca1bbca72dae18b2c95d7fce63dc0d269b156c1b2be9dc598
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Filesize
268KB
MD5809816909aed62cb1d5326c61e19842e
SHA1628ff6cc1c9739450ad3b907bd83eb722296d495
SHA256e01b6b07598a351d7e6cc632a34070b16155edfba93f8f9e3ce99c94df525259
SHA512978886f434941b28d8e05b4526c92cdfeed1a308ed390335e72f848ca3d558b6c47c332bb3565cdca1bbca72dae18b2c95d7fce63dc0d269b156c1b2be9dc598