Analysis
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max time kernel
152s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
14/10/2023, 17:53
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
NEAS.471b982bdf8527adc8135095b9345290.exe
Resource
win7-20230831-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
NEAS.471b982bdf8527adc8135095b9345290.exe
Resource
win10v2004-20230915-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
NEAS.471b982bdf8527adc8135095b9345290.exe
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Size
204KB
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MD5
471b982bdf8527adc8135095b9345290
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SHA1
39f63fb79ae55e38b6d0bf5a6e0da4e2cb3b2ead
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SHA256
491953e6896d3ac697a91bccf4f1f4f3285377a7aa4bc72fff6a17509f1e0067
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SHA512
e6e00d7b59a4bc0b5a1d8e7daece775cf416596f99909600c28e1cdb3c63c1a53530de29efd016c42ef78c78762fbdb827fb8f4d37936cf3198c36fe809887f5
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SSDEEP
3072:amHW8zDW0tQ9nLHbB9W0c1TqECzR/mkSYGrl9ymgYUWrQ:V2eq4QxL7B9W0c1RCzR/fSmlB
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-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" NEAS.471b982bdf8527adc8135095b9345290.exe Set value (int) \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" buojoa.exe -
Executes dropped EXE 1 IoCs
pid Process 2428 buojoa.exe -
Loads dropped DLL 2 IoCs
pid Process 2116 NEAS.471b982bdf8527adc8135095b9345290.exe 2116 NEAS.471b982bdf8527adc8135095b9345290.exe -
Adds Run key to start application 2 TTPs 27 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows\CurrentVersion\Run\buojoa = "C:\\Users\\Admin\\buojoa.exe /k" buojoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows\CurrentVersion\Run\buojoa = "C:\\Users\\Admin\\buojoa.exe /t" buojoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows\CurrentVersion\Run\buojoa = "C:\\Users\\Admin\\buojoa.exe /z" buojoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows\CurrentVersion\Run\buojoa = "C:\\Users\\Admin\\buojoa.exe /p" buojoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows\CurrentVersion\Run\buojoa = "C:\\Users\\Admin\\buojoa.exe /m" buojoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows\CurrentVersion\Run\buojoa = "C:\\Users\\Admin\\buojoa.exe /c" buojoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows\CurrentVersion\Run\buojoa = "C:\\Users\\Admin\\buojoa.exe /j" buojoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows\CurrentVersion\Run\buojoa = "C:\\Users\\Admin\\buojoa.exe /l" buojoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows\CurrentVersion\Run\buojoa = "C:\\Users\\Admin\\buojoa.exe /x" buojoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows\CurrentVersion\Run\buojoa = "C:\\Users\\Admin\\buojoa.exe /n" buojoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows\CurrentVersion\Run\buojoa = "C:\\Users\\Admin\\buojoa.exe /s" buojoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows\CurrentVersion\Run\buojoa = "C:\\Users\\Admin\\buojoa.exe /h" buojoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows\CurrentVersion\Run\buojoa = "C:\\Users\\Admin\\buojoa.exe /r" buojoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows\CurrentVersion\Run\buojoa = "C:\\Users\\Admin\\buojoa.exe /f" buojoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows\CurrentVersion\Run\buojoa = "C:\\Users\\Admin\\buojoa.exe /w" buojoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows\CurrentVersion\Run\buojoa = "C:\\Users\\Admin\\buojoa.exe /y" buojoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows\CurrentVersion\Run\buojoa = "C:\\Users\\Admin\\buojoa.exe /d" buojoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows\CurrentVersion\Run\buojoa = "C:\\Users\\Admin\\buojoa.exe /g" buojoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows\CurrentVersion\Run\buojoa = "C:\\Users\\Admin\\buojoa.exe /t" NEAS.471b982bdf8527adc8135095b9345290.exe Set value (str) \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows\CurrentVersion\Run\buojoa = "C:\\Users\\Admin\\buojoa.exe /a" buojoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows\CurrentVersion\Run\buojoa = "C:\\Users\\Admin\\buojoa.exe /i" buojoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows\CurrentVersion\Run\buojoa = "C:\\Users\\Admin\\buojoa.exe /o" buojoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows\CurrentVersion\Run\buojoa = "C:\\Users\\Admin\\buojoa.exe /q" buojoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows\CurrentVersion\Run\buojoa = "C:\\Users\\Admin\\buojoa.exe /b" buojoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows\CurrentVersion\Run\buojoa = "C:\\Users\\Admin\\buojoa.exe /v" buojoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows\CurrentVersion\Run\buojoa = "C:\\Users\\Admin\\buojoa.exe /e" buojoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows\CurrentVersion\Run\buojoa = "C:\\Users\\Admin\\buojoa.exe /u" buojoa.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2116 NEAS.471b982bdf8527adc8135095b9345290.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe 2428 buojoa.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2116 NEAS.471b982bdf8527adc8135095b9345290.exe 2428 buojoa.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2116 wrote to memory of 2428 2116 NEAS.471b982bdf8527adc8135095b9345290.exe 28 PID 2116 wrote to memory of 2428 2116 NEAS.471b982bdf8527adc8135095b9345290.exe 28 PID 2116 wrote to memory of 2428 2116 NEAS.471b982bdf8527adc8135095b9345290.exe 28 PID 2116 wrote to memory of 2428 2116 NEAS.471b982bdf8527adc8135095b9345290.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\NEAS.471b982bdf8527adc8135095b9345290.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.471b982bdf8527adc8135095b9345290.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:2116 -
C:\Users\Admin\buojoa.exe"C:\Users\Admin\buojoa.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:2428
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
204KB
MD5e5ab5799946367396a86b886ebfc99b4
SHA11ce4abded88e54270e8448591d0a8ac8bc7e441c
SHA25634d31cdb728d22303b610747709d2eca0dd1691bfeee2281badb73ab479cbbd7
SHA5127412b69c5b8cb3b2593723ab76bba854c99880459744222842ac8c10d6ccc0bad2b5fd577034e754e92c1c5a1160b933d6a3b22399c0a5767bf45e71aeef4a6b
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Filesize
204KB
MD5e5ab5799946367396a86b886ebfc99b4
SHA11ce4abded88e54270e8448591d0a8ac8bc7e441c
SHA25634d31cdb728d22303b610747709d2eca0dd1691bfeee2281badb73ab479cbbd7
SHA5127412b69c5b8cb3b2593723ab76bba854c99880459744222842ac8c10d6ccc0bad2b5fd577034e754e92c1c5a1160b933d6a3b22399c0a5767bf45e71aeef4a6b
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Filesize
204KB
MD5e5ab5799946367396a86b886ebfc99b4
SHA11ce4abded88e54270e8448591d0a8ac8bc7e441c
SHA25634d31cdb728d22303b610747709d2eca0dd1691bfeee2281badb73ab479cbbd7
SHA5127412b69c5b8cb3b2593723ab76bba854c99880459744222842ac8c10d6ccc0bad2b5fd577034e754e92c1c5a1160b933d6a3b22399c0a5767bf45e71aeef4a6b
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Filesize
204KB
MD5e5ab5799946367396a86b886ebfc99b4
SHA11ce4abded88e54270e8448591d0a8ac8bc7e441c
SHA25634d31cdb728d22303b610747709d2eca0dd1691bfeee2281badb73ab479cbbd7
SHA5127412b69c5b8cb3b2593723ab76bba854c99880459744222842ac8c10d6ccc0bad2b5fd577034e754e92c1c5a1160b933d6a3b22399c0a5767bf45e71aeef4a6b
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Filesize
204KB
MD5e5ab5799946367396a86b886ebfc99b4
SHA11ce4abded88e54270e8448591d0a8ac8bc7e441c
SHA25634d31cdb728d22303b610747709d2eca0dd1691bfeee2281badb73ab479cbbd7
SHA5127412b69c5b8cb3b2593723ab76bba854c99880459744222842ac8c10d6ccc0bad2b5fd577034e754e92c1c5a1160b933d6a3b22399c0a5767bf45e71aeef4a6b