Analysis
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max time kernel
150s -
max time network
147s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
16-10-2023 18:22
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
NEAS.5b58c3f58431c5a6e76ee4f278d67a20.exe
Resource
win7-20230831-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
NEAS.5b58c3f58431c5a6e76ee4f278d67a20.exe
Resource
win10v2004-20230915-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
NEAS.5b58c3f58431c5a6e76ee4f278d67a20.exe
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Size
301KB
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MD5
5b58c3f58431c5a6e76ee4f278d67a20
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SHA1
2ab0532962147e3e2772d857ddbfb7bcac3e3ade
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SHA256
3e40d66ad726013aa13d0f2bfd05b05f3b926a38b28ec4f8e30c0d227d4930ed
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SHA512
72129f2386dd748f2ebca9215acea76107e0f8e56a24d811a8adf78ea664253094fd6108f1c85af0118c9dd49c1f4963585aa243fce480515f7331dfba013f82
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SSDEEP
3072:bG8riShJdi+/OEcIlJ+k433GZ+cQRA7oTRCSAGjcc2zWm7/O2JN7RSNGx:RidEgnq+xRA7b4l23NENm
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-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" NEAS.5b58c3f58431c5a6e76ee4f278d67a20.exe Set value (int) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" muiva.exe -
Executes dropped EXE 1 IoCs
pid Process 2588 muiva.exe -
Loads dropped DLL 2 IoCs
pid Process 2364 NEAS.5b58c3f58431c5a6e76ee4f278d67a20.exe 2364 NEAS.5b58c3f58431c5a6e76ee4f278d67a20.exe -
Adds Run key to start application 2 TTPs 51 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /p" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /C" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /S" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /j" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /B" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /H" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /R" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /e" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /V" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /W" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /M" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /i" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /F" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /h" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /s" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /m" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /h" NEAS.5b58c3f58431c5a6e76ee4f278d67a20.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /N" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /Z" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /b" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /K" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /A" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /x" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /U" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /E" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /G" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /v" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /k" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /J" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /Y" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /q" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /T" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /O" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /I" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /D" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /n" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /g" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /Q" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /c" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /w" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /X" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /y" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /z" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /a" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /P" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /l" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /f" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /L" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /t" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /u" muiva.exe Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\muiva = "C:\\Users\\Admin\\muiva.exe /o" muiva.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 2364 NEAS.5b58c3f58431c5a6e76ee4f278d67a20.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe 2588 muiva.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2364 NEAS.5b58c3f58431c5a6e76ee4f278d67a20.exe 2588 muiva.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2364 wrote to memory of 2588 2364 NEAS.5b58c3f58431c5a6e76ee4f278d67a20.exe 28 PID 2364 wrote to memory of 2588 2364 NEAS.5b58c3f58431c5a6e76ee4f278d67a20.exe 28 PID 2364 wrote to memory of 2588 2364 NEAS.5b58c3f58431c5a6e76ee4f278d67a20.exe 28 PID 2364 wrote to memory of 2588 2364 NEAS.5b58c3f58431c5a6e76ee4f278d67a20.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\NEAS.5b58c3f58431c5a6e76ee4f278d67a20.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.5b58c3f58431c5a6e76ee4f278d67a20.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:2364 -
C:\Users\Admin\muiva.exe"C:\Users\Admin\muiva.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:2588
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
301KB
MD56967717b37e05a1ae36d77412a95837c
SHA1a74fbb65cad9695071731a08e16171022353b948
SHA25685c3ffcd78090b06da2a32a6300a34f155dd6e2eaf217372e024bfaade9e24f2
SHA5127671d94763073ab2d4d93e7c987dcf9c42161c3243f3368ba093dfbd53825baead1a94dd4391631d303bc5f6299f8d71ed122e1f82b90e6a39af0cb3ebc4ee0d
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Filesize
301KB
MD56967717b37e05a1ae36d77412a95837c
SHA1a74fbb65cad9695071731a08e16171022353b948
SHA25685c3ffcd78090b06da2a32a6300a34f155dd6e2eaf217372e024bfaade9e24f2
SHA5127671d94763073ab2d4d93e7c987dcf9c42161c3243f3368ba093dfbd53825baead1a94dd4391631d303bc5f6299f8d71ed122e1f82b90e6a39af0cb3ebc4ee0d
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Filesize
301KB
MD56967717b37e05a1ae36d77412a95837c
SHA1a74fbb65cad9695071731a08e16171022353b948
SHA25685c3ffcd78090b06da2a32a6300a34f155dd6e2eaf217372e024bfaade9e24f2
SHA5127671d94763073ab2d4d93e7c987dcf9c42161c3243f3368ba093dfbd53825baead1a94dd4391631d303bc5f6299f8d71ed122e1f82b90e6a39af0cb3ebc4ee0d
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Filesize
301KB
MD56967717b37e05a1ae36d77412a95837c
SHA1a74fbb65cad9695071731a08e16171022353b948
SHA25685c3ffcd78090b06da2a32a6300a34f155dd6e2eaf217372e024bfaade9e24f2
SHA5127671d94763073ab2d4d93e7c987dcf9c42161c3243f3368ba093dfbd53825baead1a94dd4391631d303bc5f6299f8d71ed122e1f82b90e6a39af0cb3ebc4ee0d
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Filesize
301KB
MD56967717b37e05a1ae36d77412a95837c
SHA1a74fbb65cad9695071731a08e16171022353b948
SHA25685c3ffcd78090b06da2a32a6300a34f155dd6e2eaf217372e024bfaade9e24f2
SHA5127671d94763073ab2d4d93e7c987dcf9c42161c3243f3368ba093dfbd53825baead1a94dd4391631d303bc5f6299f8d71ed122e1f82b90e6a39af0cb3ebc4ee0d