Analysis
-
max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
26/03/2024, 17:14
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
dfaf8bf5dca330440c38b6cce6f868fb.exe
Resource
win7-20240221-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
dfaf8bf5dca330440c38b6cce6f868fb.exe
Resource
win10v2004-20240226-en
windows10-2004-x64
8 signatures
150 seconds
General
-
Target
dfaf8bf5dca330440c38b6cce6f868fb.exe
-
Size
144KB
-
MD5
dfaf8bf5dca330440c38b6cce6f868fb
-
SHA1
49746b8453ecda71402b054f229d8453d488fcb3
-
SHA256
089c70b37e17b83ab9a9e4fc37aa17679d6a7eb832595b4264ad54bed1581d89
-
SHA512
b7839ef03befddcbf1ebe449677f180d94d055ae1eba29f6fa25a653a69c3d21090b07115bcf1397e8fcb4319193a5a19ddf86bde55793013d8757e970f371aa
-
SSDEEP
1536:MtljAWunE0ggGDHjDTYpK3XZxkIh1mF+0da1f6ymqneF05bV4oQ/hKeXsjEFbZl:Mtgnhg/zLKM0AGMeF05p4oQZiE5Zl
Score
10/10
Malware Config
Signatures
-
Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" dfaf8bf5dca330440c38b6cce6f868fb.exe Set value (int) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" muieh.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-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation dfaf8bf5dca330440c38b6cce6f868fb.exe -
Executes dropped EXE 1 IoCs
pid Process 1600 muieh.exe -
Adds Run key to start application 2 TTPs 53 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /k" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /L" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /K" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /w" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /t" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /Y" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /X" dfaf8bf5dca330440c38b6cce6f868fb.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /x" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /C" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /v" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /y" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /f" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /l" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /i" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /u" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /S" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /p" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /r" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /T" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /W" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /P" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /e" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /n" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /m" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /X" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /H" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /I" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /E" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /D" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /G" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /d" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /U" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /F" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /j" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /c" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /R" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /o" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /Q" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /J" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /b" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /V" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /B" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /a" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /q" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /h" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /g" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /Z" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /N" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /s" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /A" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /M" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /z" muieh.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muieh = "C:\\Users\\Admin\\muieh.exe /O" muieh.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1404 dfaf8bf5dca330440c38b6cce6f868fb.exe 1404 dfaf8bf5dca330440c38b6cce6f868fb.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe 1600 muieh.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1404 dfaf8bf5dca330440c38b6cce6f868fb.exe 1600 muieh.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1404 wrote to memory of 1600 1404 dfaf8bf5dca330440c38b6cce6f868fb.exe 91 PID 1404 wrote to memory of 1600 1404 dfaf8bf5dca330440c38b6cce6f868fb.exe 91 PID 1404 wrote to memory of 1600 1404 dfaf8bf5dca330440c38b6cce6f868fb.exe 91
Processes
-
C:\Users\Admin\AppData\Local\Temp\dfaf8bf5dca330440c38b6cce6f868fb.exe"C:\Users\Admin\AppData\Local\Temp\dfaf8bf5dca330440c38b6cce6f868fb.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:1404 -
C:\Users\Admin\muieh.exe"C:\Users\Admin\muieh.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:1600
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
144KB
MD5b6ed76130a89efecd22db774e7f6a7a0
SHA1689bc1e37f679134214f9f0d25f41a9e7ba06391
SHA25699e107d48583d4af9e27aece4f500d7a327cc3bccd44a504f2bb89a356a4d405
SHA5120b5c37fdedc7ec6a5e0532e2fa7fe64db5adbccf3a2535c7fc490ff69e19ab06852e91581aa03a3b9c56d325b57ef0e7f6d108cef63d07a0de8184aa5e685938