Analysis
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max time kernel
151s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
04/10/2022, 03:47
Static task
static1
Behavioral task
behavioral1
Sample
94aa23c83896788b48ac2e5133dedad0371ecabbc9c73816893d310847d27ad0.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
94aa23c83896788b48ac2e5133dedad0371ecabbc9c73816893d310847d27ad0.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
94aa23c83896788b48ac2e5133dedad0371ecabbc9c73816893d310847d27ad0.exe
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Size
120KB
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MD5
5c728c7a8697eac184cc334c48d68260
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SHA1
12d9cbd7b7fc8e21de3cdb47d230904f521cd715
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SHA256
94aa23c83896788b48ac2e5133dedad0371ecabbc9c73816893d310847d27ad0
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SHA512
5ad2de97b57160378fec17be00deb1c98e94eb63232dd2730d6cd6c92a6fdd5e2c4593d5afb7860d10650f18bf11a91f8e2000bafb009810cb119fd38e72da7c
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SSDEEP
3072:taFXyjOfXcOQrXXU6CMvAD3jM8LozPOKr:YXQrnfCMvy3jM8LozL
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" 94aa23c83896788b48ac2e5133dedad0371ecabbc9c73816893d310847d27ad0.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" nueceuj.exe -
Executes dropped EXE 1 IoCs
pid Process 480 nueceuj.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 94aa23c83896788b48ac2e5133dedad0371ecabbc9c73816893d310847d27ad0.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nueceuj = "C:\\Users\\Admin\\nueceuj.exe /k" nueceuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nueceuj = "C:\\Users\\Admin\\nueceuj.exe /u" nueceuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nueceuj = "C:\\Users\\Admin\\nueceuj.exe /m" nueceuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nueceuj = "C:\\Users\\Admin\\nueceuj.exe /o" 94aa23c83896788b48ac2e5133dedad0371ecabbc9c73816893d310847d27ad0.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nueceuj = "C:\\Users\\Admin\\nueceuj.exe /b" nueceuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nueceuj = "C:\\Users\\Admin\\nueceuj.exe /w" nueceuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nueceuj = "C:\\Users\\Admin\\nueceuj.exe /y" nueceuj.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ nueceuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nueceuj = "C:\\Users\\Admin\\nueceuj.exe /s" nueceuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nueceuj = "C:\\Users\\Admin\\nueceuj.exe /l" nueceuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nueceuj = "C:\\Users\\Admin\\nueceuj.exe /x" nueceuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nueceuj = "C:\\Users\\Admin\\nueceuj.exe /n" nueceuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nueceuj = "C:\\Users\\Admin\\nueceuj.exe /j" nueceuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nueceuj = "C:\\Users\\Admin\\nueceuj.exe /h" nueceuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nueceuj = "C:\\Users\\Admin\\nueceuj.exe /t" nueceuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nueceuj = "C:\\Users\\Admin\\nueceuj.exe /p" nueceuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nueceuj = "C:\\Users\\Admin\\nueceuj.exe /a" nueceuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nueceuj = "C:\\Users\\Admin\\nueceuj.exe /r" nueceuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nueceuj = "C:\\Users\\Admin\\nueceuj.exe /o" nueceuj.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 94aa23c83896788b48ac2e5133dedad0371ecabbc9c73816893d310847d27ad0.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nueceuj = "C:\\Users\\Admin\\nueceuj.exe /c" nueceuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nueceuj = "C:\\Users\\Admin\\nueceuj.exe /q" nueceuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nueceuj = "C:\\Users\\Admin\\nueceuj.exe /v" nueceuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nueceuj = "C:\\Users\\Admin\\nueceuj.exe /f" nueceuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nueceuj = "C:\\Users\\Admin\\nueceuj.exe /d" nueceuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nueceuj = "C:\\Users\\Admin\\nueceuj.exe /i" nueceuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nueceuj = "C:\\Users\\Admin\\nueceuj.exe /e" nueceuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nueceuj = "C:\\Users\\Admin\\nueceuj.exe /z" nueceuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nueceuj = "C:\\Users\\Admin\\nueceuj.exe /g" nueceuj.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 5020 94aa23c83896788b48ac2e5133dedad0371ecabbc9c73816893d310847d27ad0.exe 5020 94aa23c83896788b48ac2e5133dedad0371ecabbc9c73816893d310847d27ad0.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe 480 nueceuj.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 5020 94aa23c83896788b48ac2e5133dedad0371ecabbc9c73816893d310847d27ad0.exe 480 nueceuj.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5020 wrote to memory of 480 5020 94aa23c83896788b48ac2e5133dedad0371ecabbc9c73816893d310847d27ad0.exe 83 PID 5020 wrote to memory of 480 5020 94aa23c83896788b48ac2e5133dedad0371ecabbc9c73816893d310847d27ad0.exe 83 PID 5020 wrote to memory of 480 5020 94aa23c83896788b48ac2e5133dedad0371ecabbc9c73816893d310847d27ad0.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\94aa23c83896788b48ac2e5133dedad0371ecabbc9c73816893d310847d27ad0.exe"C:\Users\Admin\AppData\Local\Temp\94aa23c83896788b48ac2e5133dedad0371ecabbc9c73816893d310847d27ad0.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:5020 -
C:\Users\Admin\nueceuj.exe"C:\Users\Admin\nueceuj.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:480
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
120KB
MD5f37fd9771851d084f13f69b8cd695a1e
SHA1ab90b9506836a94261756dc956bc371b07540b68
SHA256ffc0edb3a27ffa5450b795fc2dee002cde66d2f6007ef7e0d7cebcc54539c886
SHA512599984e74dbc2156d5507e4b07858a0b955d23e8756719cf348f467b034a9ac87f4f1f26c677c49a9ed80c3d2ac5e8edeebe69ea807be4fb88e8912c09407678
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Filesize
120KB
MD5f37fd9771851d084f13f69b8cd695a1e
SHA1ab90b9506836a94261756dc956bc371b07540b68
SHA256ffc0edb3a27ffa5450b795fc2dee002cde66d2f6007ef7e0d7cebcc54539c886
SHA512599984e74dbc2156d5507e4b07858a0b955d23e8756719cf348f467b034a9ac87f4f1f26c677c49a9ed80c3d2ac5e8edeebe69ea807be4fb88e8912c09407678