Analysis
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max time kernel
151s -
max time network
42s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
20-10-2022 22:30
Static task
static1
Behavioral task
behavioral1
Sample
18612b79db970c12decc9fbe6da3ea6bac81921b71ad0ea836c4afd33cf5a39a.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
18612b79db970c12decc9fbe6da3ea6bac81921b71ad0ea836c4afd33cf5a39a.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
18612b79db970c12decc9fbe6da3ea6bac81921b71ad0ea836c4afd33cf5a39a.exe
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Size
216KB
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MD5
774c2b2bff5f2537f7f67ca54a7b05a0
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SHA1
1d42e61b2447089f795df011be2bd9eee647ee0a
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SHA256
18612b79db970c12decc9fbe6da3ea6bac81921b71ad0ea836c4afd33cf5a39a
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SHA512
c84ee245f47779be5c0df248ab08d9945453b11115fc033bb4f1e32ce9d482bf8627835ed3d6a3cf5a09a74f6b158478a21980bce91c968ed1adf76e87b80a5b
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SSDEEP
6144:2chrbA1x5PZZKnvmb7/D26g4upEoadEXUqgVWLIg7F:1A1x5PZZKnvmb7/D26GadEXUqgDg7F
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-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 18612b79db970c12decc9fbe6da3ea6bac81921b71ad0ea836c4afd33cf5a39a.exe Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" bieiy.exe -
Executes dropped EXE 1 IoCs
pid Process 1352 bieiy.exe -
Loads dropped DLL 2 IoCs
pid Process 2000 18612b79db970c12decc9fbe6da3ea6bac81921b71ad0ea836c4afd33cf5a39a.exe 2000 18612b79db970c12decc9fbe6da3ea6bac81921b71ad0ea836c4afd33cf5a39a.exe -
Adds Run key to start application 2 TTPs 50 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieiy = "C:\\Users\\Admin\\bieiy.exe /E" bieiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieiy = "C:\\Users\\Admin\\bieiy.exe /l" bieiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieiy = "C:\\Users\\Admin\\bieiy.exe /o" bieiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieiy = "C:\\Users\\Admin\\bieiy.exe /O" bieiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieiy = "C:\\Users\\Admin\\bieiy.exe /r" bieiy.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 18612b79db970c12decc9fbe6da3ea6bac81921b71ad0ea836c4afd33cf5a39a.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieiy = "C:\\Users\\Admin\\bieiy.exe /Q" bieiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieiy = "C:\\Users\\Admin\\bieiy.exe /u" bieiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieiy = "C:\\Users\\Admin\\bieiy.exe /i" bieiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieiy = "C:\\Users\\Admin\\bieiy.exe /v" bieiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieiy = "C:\\Users\\Admin\\bieiy.exe /b" bieiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieiy = "C:\\Users\\Admin\\bieiy.exe /w" bieiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieiy = "C:\\Users\\Admin\\bieiy.exe /N" bieiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieiy = "C:\\Users\\Admin\\bieiy.exe /Y" bieiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieiy = "C:\\Users\\Admin\\bieiy.exe /z" bieiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieiy = "C:\\Users\\Admin\\bieiy.exe /P" bieiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieiy = "C:\\Users\\Admin\\bieiy.exe /h" bieiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieiy = "C:\\Users\\Admin\\bieiy.exe /m" bieiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieiy = "C:\\Users\\Admin\\bieiy.exe /V" bieiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieiy = "C:\\Users\\Admin\\bieiy.exe /g" bieiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieiy = "C:\\Users\\Admin\\bieiy.exe /T" bieiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieiy = "C:\\Users\\Admin\\bieiy.exe /X" bieiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieiy = "C:\\Users\\Admin\\bieiy.exe /p" bieiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieiy = "C:\\Users\\Admin\\bieiy.exe /C" bieiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieiy = "C:\\Users\\Admin\\bieiy.exe /B" bieiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieiy = "C:\\Users\\Admin\\bieiy.exe /Z" bieiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieiy = "C:\\Users\\Admin\\bieiy.exe /H" 18612b79db970c12decc9fbe6da3ea6bac81921b71ad0ea836c4afd33cf5a39a.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieiy = "C:\\Users\\Admin\\bieiy.exe /t" bieiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieiy = "C:\\Users\\Admin\\bieiy.exe /A" bieiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieiy = "C:\\Users\\Admin\\bieiy.exe /D" bieiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieiy = "C:\\Users\\Admin\\bieiy.exe /n" bieiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieiy = "C:\\Users\\Admin\\bieiy.exe /a" bieiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieiy = "C:\\Users\\Admin\\bieiy.exe /L" bieiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieiy = "C:\\Users\\Admin\\bieiy.exe /x" bieiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieiy = "C:\\Users\\Admin\\bieiy.exe /H" bieiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieiy = "C:\\Users\\Admin\\bieiy.exe /R" bieiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieiy = "C:\\Users\\Admin\\bieiy.exe /d" bieiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieiy = "C:\\Users\\Admin\\bieiy.exe /U" bieiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieiy = "C:\\Users\\Admin\\bieiy.exe /k" bieiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieiy = "C:\\Users\\Admin\\bieiy.exe /f" bieiy.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ bieiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieiy = "C:\\Users\\Admin\\bieiy.exe /y" bieiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieiy = "C:\\Users\\Admin\\bieiy.exe /K" bieiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieiy = "C:\\Users\\Admin\\bieiy.exe /W" bieiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieiy = "C:\\Users\\Admin\\bieiy.exe /S" bieiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieiy = "C:\\Users\\Admin\\bieiy.exe /I" bieiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieiy = "C:\\Users\\Admin\\bieiy.exe /J" bieiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieiy = "C:\\Users\\Admin\\bieiy.exe /s" bieiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieiy = "C:\\Users\\Admin\\bieiy.exe /q" bieiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\bieiy = "C:\\Users\\Admin\\bieiy.exe /e" bieiy.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 2000 18612b79db970c12decc9fbe6da3ea6bac81921b71ad0ea836c4afd33cf5a39a.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe 1352 bieiy.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2000 18612b79db970c12decc9fbe6da3ea6bac81921b71ad0ea836c4afd33cf5a39a.exe 1352 bieiy.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2000 wrote to memory of 1352 2000 18612b79db970c12decc9fbe6da3ea6bac81921b71ad0ea836c4afd33cf5a39a.exe 26 PID 2000 wrote to memory of 1352 2000 18612b79db970c12decc9fbe6da3ea6bac81921b71ad0ea836c4afd33cf5a39a.exe 26 PID 2000 wrote to memory of 1352 2000 18612b79db970c12decc9fbe6da3ea6bac81921b71ad0ea836c4afd33cf5a39a.exe 26 PID 2000 wrote to memory of 1352 2000 18612b79db970c12decc9fbe6da3ea6bac81921b71ad0ea836c4afd33cf5a39a.exe 26
Processes
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C:\Users\Admin\AppData\Local\Temp\18612b79db970c12decc9fbe6da3ea6bac81921b71ad0ea836c4afd33cf5a39a.exe"C:\Users\Admin\AppData\Local\Temp\18612b79db970c12decc9fbe6da3ea6bac81921b71ad0ea836c4afd33cf5a39a.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2000 -
C:\Users\Admin\bieiy.exe"C:\Users\Admin\bieiy.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:1352
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
216KB
MD5f44601b9e08a1701a2b8d0680748252f
SHA10fbcbfa3fe938789daa6e22a1f8268a40e0295ec
SHA256d22b17b42d0551048359b12fac8c72660754a358df0a7e876cc873e32bdefb84
SHA51292712632b8bb828cd1509facb0f11122162288d8f5a48183069c42af6b9f8fdbd05861f14545383ba809faa4d8762c69f6af8dc1df23f041801c4308905ec6de
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Filesize
216KB
MD5f44601b9e08a1701a2b8d0680748252f
SHA10fbcbfa3fe938789daa6e22a1f8268a40e0295ec
SHA256d22b17b42d0551048359b12fac8c72660754a358df0a7e876cc873e32bdefb84
SHA51292712632b8bb828cd1509facb0f11122162288d8f5a48183069c42af6b9f8fdbd05861f14545383ba809faa4d8762c69f6af8dc1df23f041801c4308905ec6de
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Filesize
216KB
MD5f44601b9e08a1701a2b8d0680748252f
SHA10fbcbfa3fe938789daa6e22a1f8268a40e0295ec
SHA256d22b17b42d0551048359b12fac8c72660754a358df0a7e876cc873e32bdefb84
SHA51292712632b8bb828cd1509facb0f11122162288d8f5a48183069c42af6b9f8fdbd05861f14545383ba809faa4d8762c69f6af8dc1df23f041801c4308905ec6de
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Filesize
216KB
MD5f44601b9e08a1701a2b8d0680748252f
SHA10fbcbfa3fe938789daa6e22a1f8268a40e0295ec
SHA256d22b17b42d0551048359b12fac8c72660754a358df0a7e876cc873e32bdefb84
SHA51292712632b8bb828cd1509facb0f11122162288d8f5a48183069c42af6b9f8fdbd05861f14545383ba809faa4d8762c69f6af8dc1df23f041801c4308905ec6de