Analysis
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max time kernel
150s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
28-11-2022 02:06
Static task
static1
Behavioral task
behavioral1
Sample
15daea6f00191a6fafd7dc8692669252c4e1080e548c1971dc68edc4c319a84c.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
15daea6f00191a6fafd7dc8692669252c4e1080e548c1971dc68edc4c319a84c.exe
Resource
win10v2004-20220901-en
General
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Target
15daea6f00191a6fafd7dc8692669252c4e1080e548c1971dc68edc4c319a84c.exe
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Size
272KB
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MD5
68f8cdab7dd87128507520dd35387736
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SHA1
3a8eb6347446e1f1c912c46bf438dd707a9d85a6
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SHA256
15daea6f00191a6fafd7dc8692669252c4e1080e548c1971dc68edc4c319a84c
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SHA512
cf21f227467c73af52930f9c5e68019b5894459439c2e0eba75f964dc266c5a3830b153a7369857441d7c7cdd89d65ae1003fe6b16c00b0f774fbe1624ad3151
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SSDEEP
3072:NRyM68NgtWHzaqBtmKOqNRkQUG7opA83KPj/1yBFfJp1m:TyM6yHt66i3pAGKPj/1yB9j1m
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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 15daea6f00191a6fafd7dc8692669252c4e1080e548c1971dc68edc4c319a84c.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" miiuxer.exe -
Executes dropped EXE 1 IoCs
pid Process 2580 miiuxer.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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation 15daea6f00191a6fafd7dc8692669252c4e1080e548c1971dc68edc4c319a84c.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miiuxer = "C:\\Users\\Admin\\miiuxer.exe /n" miiuxer.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miiuxer = "C:\\Users\\Admin\\miiuxer.exe /v" miiuxer.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miiuxer = "C:\\Users\\Admin\\miiuxer.exe /x" miiuxer.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miiuxer = "C:\\Users\\Admin\\miiuxer.exe /o" miiuxer.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miiuxer = "C:\\Users\\Admin\\miiuxer.exe /i" miiuxer.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miiuxer = "C:\\Users\\Admin\\miiuxer.exe /a" miiuxer.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miiuxer = "C:\\Users\\Admin\\miiuxer.exe /s" miiuxer.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miiuxer = "C:\\Users\\Admin\\miiuxer.exe /j" miiuxer.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 15daea6f00191a6fafd7dc8692669252c4e1080e548c1971dc68edc4c319a84c.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miiuxer = "C:\\Users\\Admin\\miiuxer.exe /q" miiuxer.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miiuxer = "C:\\Users\\Admin\\miiuxer.exe /c" miiuxer.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miiuxer = "C:\\Users\\Admin\\miiuxer.exe /u" miiuxer.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miiuxer = "C:\\Users\\Admin\\miiuxer.exe /r" miiuxer.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miiuxer = "C:\\Users\\Admin\\miiuxer.exe /f" 15daea6f00191a6fafd7dc8692669252c4e1080e548c1971dc68edc4c319a84c.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miiuxer = "C:\\Users\\Admin\\miiuxer.exe /z" miiuxer.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miiuxer = "C:\\Users\\Admin\\miiuxer.exe /h" miiuxer.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miiuxer = "C:\\Users\\Admin\\miiuxer.exe /e" miiuxer.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miiuxer = "C:\\Users\\Admin\\miiuxer.exe /w" miiuxer.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miiuxer = "C:\\Users\\Admin\\miiuxer.exe /d" miiuxer.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miiuxer = "C:\\Users\\Admin\\miiuxer.exe /t" miiuxer.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miiuxer = "C:\\Users\\Admin\\miiuxer.exe /l" miiuxer.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miiuxer = "C:\\Users\\Admin\\miiuxer.exe /g" miiuxer.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miiuxer = "C:\\Users\\Admin\\miiuxer.exe /y" miiuxer.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miiuxer = "C:\\Users\\Admin\\miiuxer.exe /p" miiuxer.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ miiuxer.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miiuxer = "C:\\Users\\Admin\\miiuxer.exe /m" miiuxer.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miiuxer = "C:\\Users\\Admin\\miiuxer.exe /k" miiuxer.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miiuxer = "C:\\Users\\Admin\\miiuxer.exe /f" miiuxer.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miiuxer = "C:\\Users\\Admin\\miiuxer.exe /b" miiuxer.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 1772 15daea6f00191a6fafd7dc8692669252c4e1080e548c1971dc68edc4c319a84c.exe 1772 15daea6f00191a6fafd7dc8692669252c4e1080e548c1971dc68edc4c319a84c.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe 2580 miiuxer.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1772 15daea6f00191a6fafd7dc8692669252c4e1080e548c1971dc68edc4c319a84c.exe 2580 miiuxer.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1772 wrote to memory of 2580 1772 15daea6f00191a6fafd7dc8692669252c4e1080e548c1971dc68edc4c319a84c.exe 84 PID 1772 wrote to memory of 2580 1772 15daea6f00191a6fafd7dc8692669252c4e1080e548c1971dc68edc4c319a84c.exe 84 PID 1772 wrote to memory of 2580 1772 15daea6f00191a6fafd7dc8692669252c4e1080e548c1971dc68edc4c319a84c.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\15daea6f00191a6fafd7dc8692669252c4e1080e548c1971dc68edc4c319a84c.exe"C:\Users\Admin\AppData\Local\Temp\15daea6f00191a6fafd7dc8692669252c4e1080e548c1971dc68edc4c319a84c.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:1772 -
C:\Users\Admin\miiuxer.exe"C:\Users\Admin\miiuxer.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:2580
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
272KB
MD5ec62abbcb1493f5e6bab0419a6221ffc
SHA12693b2adf0f7a5771f9e60d41384c4348f6aa8ae
SHA2562841c8d205f56b44aed2cfbc309dbec4a08a44f29803d1957c217c93d6cbf606
SHA512e298965a3101ab7928bd5479a76662add886a0d4ed270c89afb26f547252281052d41e57662cd11bfe84975252cb8117219a4da029c1f0e74af8ed8f44965b30
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Filesize
272KB
MD5ec62abbcb1493f5e6bab0419a6221ffc
SHA12693b2adf0f7a5771f9e60d41384c4348f6aa8ae
SHA2562841c8d205f56b44aed2cfbc309dbec4a08a44f29803d1957c217c93d6cbf606
SHA512e298965a3101ab7928bd5479a76662add886a0d4ed270c89afb26f547252281052d41e57662cd11bfe84975252cb8117219a4da029c1f0e74af8ed8f44965b30