Analysis
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max time kernel
156s -
max time network
135s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
29/11/2022, 03:13
Static task
static1
Behavioral task
behavioral1
Sample
4b6bef695222ab3e7153665cc5443fa4d98d09d5309b852d93f7bcd05c90424f.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
4b6bef695222ab3e7153665cc5443fa4d98d09d5309b852d93f7bcd05c90424f.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
4b6bef695222ab3e7153665cc5443fa4d98d09d5309b852d93f7bcd05c90424f.exe
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Size
180KB
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MD5
41dc10d709e9f7fbb949c3c746a79300
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SHA1
4cd53b881e5ecf65b5c0edfe7bb5d4a222236ec9
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SHA256
4b6bef695222ab3e7153665cc5443fa4d98d09d5309b852d93f7bcd05c90424f
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SHA512
958a9cbc2089c0055d0c5f99edcd12b80049ae774b0d67d45083aa974f6e5d69c8c7f484a7b7b1a06ecc2f0483c51c4d92020c9b8b579146b884bd62d5176648
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SSDEEP
3072:qFKdBG5H1MlttMFz8o+F334VSlkfoyHYb/zCHPEhg5JN8x+eDfcAuQPUSnrulRr:qFeG5H1MltKaJkHHYb/zCHPEhg5JN8xm
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" 4b6bef695222ab3e7153665cc5443fa4d98d09d5309b852d93f7bcd05c90424f.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" koeyad.exe -
Executes dropped EXE 1 IoCs
pid Process 804 koeyad.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 4b6bef695222ab3e7153665cc5443fa4d98d09d5309b852d93f7bcd05c90424f.exe -
Adds Run key to start application 2 TTPs 55 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /O" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /M" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /b" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /W" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /F" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /e" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /x" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /r" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /t" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /o" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /V" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /z" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /X" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /p" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /h" koeyad.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /U" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /t" 4b6bef695222ab3e7153665cc5443fa4d98d09d5309b852d93f7bcd05c90424f.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /E" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /C" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /u" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /c" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /S" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /T" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /a" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /m" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /Q" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /d" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /i" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /w" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /s" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /g" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /n" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /J" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /k" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /D" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /K" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /Y" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /Z" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /H" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /I" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /A" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /v" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /G" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /N" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /B" koeyad.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 4b6bef695222ab3e7153665cc5443fa4d98d09d5309b852d93f7bcd05c90424f.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /l" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /L" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /q" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /R" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /P" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /j" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /f" koeyad.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\koeyad = "C:\\Users\\Admin\\koeyad.exe /y" koeyad.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 3412 4b6bef695222ab3e7153665cc5443fa4d98d09d5309b852d93f7bcd05c90424f.exe 3412 4b6bef695222ab3e7153665cc5443fa4d98d09d5309b852d93f7bcd05c90424f.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe 804 koeyad.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3412 4b6bef695222ab3e7153665cc5443fa4d98d09d5309b852d93f7bcd05c90424f.exe 804 koeyad.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3412 wrote to memory of 804 3412 4b6bef695222ab3e7153665cc5443fa4d98d09d5309b852d93f7bcd05c90424f.exe 83 PID 3412 wrote to memory of 804 3412 4b6bef695222ab3e7153665cc5443fa4d98d09d5309b852d93f7bcd05c90424f.exe 83 PID 3412 wrote to memory of 804 3412 4b6bef695222ab3e7153665cc5443fa4d98d09d5309b852d93f7bcd05c90424f.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\4b6bef695222ab3e7153665cc5443fa4d98d09d5309b852d93f7bcd05c90424f.exe"C:\Users\Admin\AppData\Local\Temp\4b6bef695222ab3e7153665cc5443fa4d98d09d5309b852d93f7bcd05c90424f.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:3412 -
C:\Users\Admin\koeyad.exe"C:\Users\Admin\koeyad.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:804
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
180KB
MD5ca501b837b88afd5b03af8fdb3f48380
SHA1431c065f321145ec899e7d700149c3dc92e2c317
SHA256f0ce9ec078fb3b551a305d5caf05bbcc6ca78ce958e5a6e96c91ac7c9839fc24
SHA512cfc83cff7659dbbb9c2e5d34ecac57be16e2219a1881120093fda0991cf6758258a23202b4c5bd17c68af14e29eb81c73fea7ff0a3338d6f3c24ff132f414456
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Filesize
180KB
MD5ca501b837b88afd5b03af8fdb3f48380
SHA1431c065f321145ec899e7d700149c3dc92e2c317
SHA256f0ce9ec078fb3b551a305d5caf05bbcc6ca78ce958e5a6e96c91ac7c9839fc24
SHA512cfc83cff7659dbbb9c2e5d34ecac57be16e2219a1881120093fda0991cf6758258a23202b4c5bd17c68af14e29eb81c73fea7ff0a3338d6f3c24ff132f414456