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Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
22/04/2024, 21:20
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
4241baccb60c591e4b2aa75e7d654477356d8fe128917b89e5282b5085fee4be.exe
Resource
win7-20231129-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
4241baccb60c591e4b2aa75e7d654477356d8fe128917b89e5282b5085fee4be.exe
Resource
win10v2004-20240412-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
4241baccb60c591e4b2aa75e7d654477356d8fe128917b89e5282b5085fee4be.exe
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Size
204KB
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MD5
d3966f579a4d2518c783d9ae5a4102c7
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SHA1
8a57ed90d39d5585d49eb37d340a7b90265f4e03
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SHA256
4241baccb60c591e4b2aa75e7d654477356d8fe128917b89e5282b5085fee4be
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SHA512
8d81493f892bcd8a9984d439641b290edc4115bda64cbd4a8fd836dcd9e929388c1b5ba8c6123ebb220f3bdfd63362822747f83b63d602b1a763115cf8a061b6
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SSDEEP
1536:9L+OoHHo1vzxHwxpQX+xNy3tQ9CW5EZWHakMwP9W6uXNh9h1AWa11GBPIdRONd+i:+Ho1BO0tQ9nLHbB9WTk9+JgqmltWD
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-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 4241baccb60c591e4b2aa75e7d654477356d8fe128917b89e5282b5085fee4be.exe Set value (int) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" mueiwe.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-1-5-21-4084619521-2220719027-1909462854-1000\Control Panel\International\Geo\Nation 4241baccb60c591e4b2aa75e7d654477356d8fe128917b89e5282b5085fee4be.exe -
Executes dropped EXE 1 IoCs
pid Process 736 mueiwe.exe -
Adds Run key to start application 2 TTPs 27 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mueiwe = "C:\\Users\\Admin\\mueiwe.exe /g" mueiwe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mueiwe = "C:\\Users\\Admin\\mueiwe.exe /k" mueiwe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mueiwe = "C:\\Users\\Admin\\mueiwe.exe /m" mueiwe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mueiwe = "C:\\Users\\Admin\\mueiwe.exe /v" 4241baccb60c591e4b2aa75e7d654477356d8fe128917b89e5282b5085fee4be.exe Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mueiwe = "C:\\Users\\Admin\\mueiwe.exe /a" mueiwe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mueiwe = "C:\\Users\\Admin\\mueiwe.exe /n" mueiwe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mueiwe = "C:\\Users\\Admin\\mueiwe.exe /q" mueiwe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mueiwe = "C:\\Users\\Admin\\mueiwe.exe /v" mueiwe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mueiwe = "C:\\Users\\Admin\\mueiwe.exe /o" mueiwe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mueiwe = "C:\\Users\\Admin\\mueiwe.exe /r" mueiwe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mueiwe = "C:\\Users\\Admin\\mueiwe.exe /h" mueiwe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mueiwe = "C:\\Users\\Admin\\mueiwe.exe /s" mueiwe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mueiwe = "C:\\Users\\Admin\\mueiwe.exe /y" mueiwe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mueiwe = "C:\\Users\\Admin\\mueiwe.exe /f" mueiwe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mueiwe = "C:\\Users\\Admin\\mueiwe.exe /p" mueiwe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mueiwe = "C:\\Users\\Admin\\mueiwe.exe /e" mueiwe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mueiwe = "C:\\Users\\Admin\\mueiwe.exe /c" mueiwe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mueiwe = "C:\\Users\\Admin\\mueiwe.exe /l" mueiwe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mueiwe = "C:\\Users\\Admin\\mueiwe.exe /w" mueiwe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mueiwe = "C:\\Users\\Admin\\mueiwe.exe /x" mueiwe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mueiwe = "C:\\Users\\Admin\\mueiwe.exe /z" mueiwe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mueiwe = "C:\\Users\\Admin\\mueiwe.exe /b" mueiwe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mueiwe = "C:\\Users\\Admin\\mueiwe.exe /d" mueiwe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mueiwe = "C:\\Users\\Admin\\mueiwe.exe /t" mueiwe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mueiwe = "C:\\Users\\Admin\\mueiwe.exe /u" mueiwe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mueiwe = "C:\\Users\\Admin\\mueiwe.exe /i" mueiwe.exe Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mueiwe = "C:\\Users\\Admin\\mueiwe.exe /j" mueiwe.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 3368 4241baccb60c591e4b2aa75e7d654477356d8fe128917b89e5282b5085fee4be.exe 3368 4241baccb60c591e4b2aa75e7d654477356d8fe128917b89e5282b5085fee4be.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe 736 mueiwe.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3368 4241baccb60c591e4b2aa75e7d654477356d8fe128917b89e5282b5085fee4be.exe 736 mueiwe.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3368 wrote to memory of 736 3368 4241baccb60c591e4b2aa75e7d654477356d8fe128917b89e5282b5085fee4be.exe 89 PID 3368 wrote to memory of 736 3368 4241baccb60c591e4b2aa75e7d654477356d8fe128917b89e5282b5085fee4be.exe 89 PID 3368 wrote to memory of 736 3368 4241baccb60c591e4b2aa75e7d654477356d8fe128917b89e5282b5085fee4be.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\4241baccb60c591e4b2aa75e7d654477356d8fe128917b89e5282b5085fee4be.exe"C:\Users\Admin\AppData\Local\Temp\4241baccb60c591e4b2aa75e7d654477356d8fe128917b89e5282b5085fee4be.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:3368 -
C:\Users\Admin\mueiwe.exe"C:\Users\Admin\mueiwe.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:736
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
204KB
MD5f13fa02c6b23624f4b09398722a5684e
SHA15fce9594704a10e5122e7d7186acaf5235375f7f
SHA256fefe79b22fd42fba1420fad959b95698e3485d403f613191861e05196ba37458
SHA512c8ffeba516eac58c124ac18d4920dbdaa46d3a8fcbadfaba2d558e43ecc24f820e5f7c0f38047ce56f601b5bbab9b92c2b9528c33a48740a43daa570cc1863c2