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Analysis
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max time kernel
151s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
02/10/2022, 06:28
Static task
static1
Behavioral task
behavioral1
Sample
c6318fea2465278051a2a81f10d588eefcfd4e62fe7a3ebde61af8c6069e33e5.exe
Resource
win7-20220901-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
c6318fea2465278051a2a81f10d588eefcfd4e62fe7a3ebde61af8c6069e33e5.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
c6318fea2465278051a2a81f10d588eefcfd4e62fe7a3ebde61af8c6069e33e5.exe
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Size
212KB
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MD5
63ec95e70e56ae0d69d8bfec58126704
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SHA1
189aabeb1a9c9773657361d4c28d83dd4cf5d7f2
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SHA256
c6318fea2465278051a2a81f10d588eefcfd4e62fe7a3ebde61af8c6069e33e5
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SHA512
6ea1cf1a25a957eac05b7e30e0635fec18015459eb4864a50b32b861bb3298b53f48f329ef02f88eed0bf07c288ea09a9b8c0c4150513a467625876330d17fd5
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SSDEEP
6144:i1AKwwPficzY09umHh7K5cUXEBwrYVHhAgY65cJ:6AbyfxY09umH45cUXEBwUVHhAgY65u
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" c6318fea2465278051a2a81f10d588eefcfd4e62fe7a3ebde61af8c6069e33e5.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" yeinu.exe -
Executes dropped EXE 1 IoCs
pid Process 2252 yeinu.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 c6318fea2465278051a2a81f10d588eefcfd4e62fe7a3ebde61af8c6069e33e5.exe -
Adds Run key to start application 2 TTPs 58 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /m" c6318fea2465278051a2a81f10d588eefcfd4e62fe7a3ebde61af8c6069e33e5.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /b" yeinu.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /y" yeinu.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /a" yeinu.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /n" yeinu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /u" yeinu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /y" yeinu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /a" yeinu.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /s" yeinu.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ c6318fea2465278051a2a81f10d588eefcfd4e62fe7a3ebde61af8c6069e33e5.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ yeinu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /g" yeinu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /m" yeinu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /p" yeinu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /p" c6318fea2465278051a2a81f10d588eefcfd4e62fe7a3ebde61af8c6069e33e5.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /g" yeinu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /k" yeinu.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /v" yeinu.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /j" yeinu.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /f" yeinu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /c" yeinu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /b" yeinu.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /q" yeinu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /x" yeinu.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /h" yeinu.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /m" yeinu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /z" yeinu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /v" yeinu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /f" yeinu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /t" yeinu.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /k" yeinu.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /t" yeinu.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /d" yeinu.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /o" yeinu.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /i" yeinu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /l" yeinu.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /x" yeinu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /h" yeinu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /e" yeinu.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ c6318fea2465278051a2a81f10d588eefcfd4e62fe7a3ebde61af8c6069e33e5.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /r" yeinu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /d" yeinu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /w" yeinu.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /z" yeinu.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /w" yeinu.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /l" yeinu.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /e" yeinu.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /c" yeinu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /s" yeinu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /i" yeinu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /j" yeinu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /o" yeinu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /n" yeinu.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /p" yeinu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /r" yeinu.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /q" yeinu.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ yeinu.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\yeinu = "C:\\Users\\Admin\\yeinu.exe /u" yeinu.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 2160 c6318fea2465278051a2a81f10d588eefcfd4e62fe7a3ebde61af8c6069e33e5.exe 2160 c6318fea2465278051a2a81f10d588eefcfd4e62fe7a3ebde61af8c6069e33e5.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe 2252 yeinu.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2252 yeinu.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2160 c6318fea2465278051a2a81f10d588eefcfd4e62fe7a3ebde61af8c6069e33e5.exe 2252 yeinu.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2160 wrote to memory of 2252 2160 c6318fea2465278051a2a81f10d588eefcfd4e62fe7a3ebde61af8c6069e33e5.exe 86 PID 2160 wrote to memory of 2252 2160 c6318fea2465278051a2a81f10d588eefcfd4e62fe7a3ebde61af8c6069e33e5.exe 86 PID 2160 wrote to memory of 2252 2160 c6318fea2465278051a2a81f10d588eefcfd4e62fe7a3ebde61af8c6069e33e5.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\c6318fea2465278051a2a81f10d588eefcfd4e62fe7a3ebde61af8c6069e33e5.exe"C:\Users\Admin\AppData\Local\Temp\c6318fea2465278051a2a81f10d588eefcfd4e62fe7a3ebde61af8c6069e33e5.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:2160 -
C:\Users\Admin\yeinu.exe"C:\Users\Admin\yeinu.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2252
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
212KB
MD5a8ffddb5be17b2fd60d5f6a7fefa5f07
SHA1e2f50dcbedabdb2ada914ddfd1e13260289af09f
SHA256d06521914b449a4322fcda9eafc23140c79dba8a9afbcf22832bededecd14b15
SHA5126126e7f26c1f3638d132192134ed9d6381b93d52a62569a1fbe70d647554092a3e9a5868d67293fcafe4ab4bd88569641e474f4600e58841a1ce51f65ae1dafd
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Filesize
212KB
MD5a8ffddb5be17b2fd60d5f6a7fefa5f07
SHA1e2f50dcbedabdb2ada914ddfd1e13260289af09f
SHA256d06521914b449a4322fcda9eafc23140c79dba8a9afbcf22832bededecd14b15
SHA5126126e7f26c1f3638d132192134ed9d6381b93d52a62569a1fbe70d647554092a3e9a5868d67293fcafe4ab4bd88569641e474f4600e58841a1ce51f65ae1dafd