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Analysis
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max time kernel
151s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
01/12/2022, 23:23
Static task
static1
Behavioral task
behavioral1
Sample
5cf04b420a9662da4e823867bc143159edcd36c705efc820cb1bc363a77fae4c.exe
Resource
win7-20220901-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
5cf04b420a9662da4e823867bc143159edcd36c705efc820cb1bc363a77fae4c.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
11 signatures
150 seconds
General
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Target
5cf04b420a9662da4e823867bc143159edcd36c705efc820cb1bc363a77fae4c.exe
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Size
116KB
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MD5
87012d2ab799c59e6beabaab2393f6f0
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SHA1
9717e81f1ff99d522aa9867ec75857cabfefeb29
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SHA256
5cf04b420a9662da4e823867bc143159edcd36c705efc820cb1bc363a77fae4c
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SHA512
42fbd8f7c78b373be78fee774a2d43accfa71e36b9786c977044656701ee34250123a4e859a7afc51e8f76e7413c62a4cb9d0ace9d7f50c621cf8b15e469d47f
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SSDEEP
3072:GvUCOhKkulSDZMbMAxH8lyyVxe/6SYl7kvkNzC2Y:5oHDYAxayyT0bTt
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-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 5cf04b420a9662da4e823867bc143159edcd36c705efc820cb1bc363a77fae4c.exe Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" mieidux.exe -
Executes dropped EXE 2 IoCs
pid Process 1432 mieidux.exe 4412 mieidux.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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation 5cf04b420a9662da4e823867bc143159edcd36c705efc820cb1bc363a77fae4c.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mieidux = "C:\\Users\\Admin\\mieidux.exe /q" mieidux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mieidux = "C:\\Users\\Admin\\mieidux.exe /e" mieidux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mieidux = "C:\\Users\\Admin\\mieidux.exe /t" mieidux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mieidux = "C:\\Users\\Admin\\mieidux.exe /m" mieidux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mieidux = "C:\\Users\\Admin\\mieidux.exe /j" mieidux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mieidux = "C:\\Users\\Admin\\mieidux.exe /f" 5cf04b420a9662da4e823867bc143159edcd36c705efc820cb1bc363a77fae4c.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ mieidux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mieidux = "C:\\Users\\Admin\\mieidux.exe /b" mieidux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mieidux = "C:\\Users\\Admin\\mieidux.exe /f" mieidux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mieidux = "C:\\Users\\Admin\\mieidux.exe /r" mieidux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mieidux = "C:\\Users\\Admin\\mieidux.exe /k" mieidux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mieidux = "C:\\Users\\Admin\\mieidux.exe /n" mieidux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mieidux = "C:\\Users\\Admin\\mieidux.exe /o" mieidux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mieidux = "C:\\Users\\Admin\\mieidux.exe /x" mieidux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mieidux = "C:\\Users\\Admin\\mieidux.exe /h" mieidux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mieidux = "C:\\Users\\Admin\\mieidux.exe /p" mieidux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mieidux = "C:\\Users\\Admin\\mieidux.exe /c" mieidux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mieidux = "C:\\Users\\Admin\\mieidux.exe /a" mieidux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mieidux = "C:\\Users\\Admin\\mieidux.exe /v" mieidux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mieidux = "C:\\Users\\Admin\\mieidux.exe /s" mieidux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mieidux = "C:\\Users\\Admin\\mieidux.exe /y" mieidux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mieidux = "C:\\Users\\Admin\\mieidux.exe /w" mieidux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mieidux = "C:\\Users\\Admin\\mieidux.exe /u" mieidux.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 5cf04b420a9662da4e823867bc143159edcd36c705efc820cb1bc363a77fae4c.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mieidux = "C:\\Users\\Admin\\mieidux.exe /z" mieidux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mieidux = "C:\\Users\\Admin\\mieidux.exe /i" mieidux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mieidux = "C:\\Users\\Admin\\mieidux.exe /d" mieidux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mieidux = "C:\\Users\\Admin\\mieidux.exe /l" mieidux.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mieidux = "C:\\Users\\Admin\\mieidux.exe /g" mieidux.exe -
Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 5cf04b420a9662da4e823867bc143159edcd36c705efc820cb1bc363a77fae4c.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 5cf04b420a9662da4e823867bc143159edcd36c705efc820cb1bc363a77fae4c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum mieidux.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 mieidux.exe -
Drops autorun.inf file 1 TTPs 1 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File opened for modification C:\Users\Admin\c\autorun.inf mieidux.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1944 set thread context of 5028 1944 5cf04b420a9662da4e823867bc143159edcd36c705efc820cb1bc363a77fae4c.exe 82 PID 1432 set thread context of 4412 1432 mieidux.exe 84 -
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 5028 5cf04b420a9662da4e823867bc143159edcd36c705efc820cb1bc363a77fae4c.exe 5028 5cf04b420a9662da4e823867bc143159edcd36c705efc820cb1bc363a77fae4c.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe 4412 mieidux.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 1944 5cf04b420a9662da4e823867bc143159edcd36c705efc820cb1bc363a77fae4c.exe 5028 5cf04b420a9662da4e823867bc143159edcd36c705efc820cb1bc363a77fae4c.exe 1432 mieidux.exe 4412 mieidux.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 1944 wrote to memory of 5028 1944 5cf04b420a9662da4e823867bc143159edcd36c705efc820cb1bc363a77fae4c.exe 82 PID 1944 wrote to memory of 5028 1944 5cf04b420a9662da4e823867bc143159edcd36c705efc820cb1bc363a77fae4c.exe 82 PID 1944 wrote to memory of 5028 1944 5cf04b420a9662da4e823867bc143159edcd36c705efc820cb1bc363a77fae4c.exe 82 PID 1944 wrote to memory of 5028 1944 5cf04b420a9662da4e823867bc143159edcd36c705efc820cb1bc363a77fae4c.exe 82 PID 1944 wrote to memory of 5028 1944 5cf04b420a9662da4e823867bc143159edcd36c705efc820cb1bc363a77fae4c.exe 82 PID 1944 wrote to memory of 5028 1944 5cf04b420a9662da4e823867bc143159edcd36c705efc820cb1bc363a77fae4c.exe 82 PID 1944 wrote to memory of 5028 1944 5cf04b420a9662da4e823867bc143159edcd36c705efc820cb1bc363a77fae4c.exe 82 PID 1944 wrote to memory of 5028 1944 5cf04b420a9662da4e823867bc143159edcd36c705efc820cb1bc363a77fae4c.exe 82 PID 1944 wrote to memory of 5028 1944 5cf04b420a9662da4e823867bc143159edcd36c705efc820cb1bc363a77fae4c.exe 82 PID 5028 wrote to memory of 1432 5028 5cf04b420a9662da4e823867bc143159edcd36c705efc820cb1bc363a77fae4c.exe 83 PID 5028 wrote to memory of 1432 5028 5cf04b420a9662da4e823867bc143159edcd36c705efc820cb1bc363a77fae4c.exe 83 PID 5028 wrote to memory of 1432 5028 5cf04b420a9662da4e823867bc143159edcd36c705efc820cb1bc363a77fae4c.exe 83 PID 1432 wrote to memory of 4412 1432 mieidux.exe 84 PID 1432 wrote to memory of 4412 1432 mieidux.exe 84 PID 1432 wrote to memory of 4412 1432 mieidux.exe 84 PID 1432 wrote to memory of 4412 1432 mieidux.exe 84 PID 1432 wrote to memory of 4412 1432 mieidux.exe 84 PID 1432 wrote to memory of 4412 1432 mieidux.exe 84 PID 1432 wrote to memory of 4412 1432 mieidux.exe 84 PID 1432 wrote to memory of 4412 1432 mieidux.exe 84 PID 1432 wrote to memory of 4412 1432 mieidux.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\5cf04b420a9662da4e823867bc143159edcd36c705efc820cb1bc363a77fae4c.exe"C:\Users\Admin\AppData\Local\Temp\5cf04b420a9662da4e823867bc143159edcd36c705efc820cb1bc363a77fae4c.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1944 -
C:\Users\Admin\AppData\Local\Temp\5cf04b420a9662da4e823867bc143159edcd36c705efc820cb1bc363a77fae4c.exe742⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5028 -
C:\Users\Admin\mieidux.exe"C:\Users\Admin\mieidux.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1432 -
C:\Users\Admin\mieidux.exe744⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Maps connected drives based on registry
- Drops autorun.inf file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4412
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
116KB
MD587012d2ab799c59e6beabaab2393f6f0
SHA19717e81f1ff99d522aa9867ec75857cabfefeb29
SHA2565cf04b420a9662da4e823867bc143159edcd36c705efc820cb1bc363a77fae4c
SHA51242fbd8f7c78b373be78fee774a2d43accfa71e36b9786c977044656701ee34250123a4e859a7afc51e8f76e7413c62a4cb9d0ace9d7f50c621cf8b15e469d47f
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Filesize
116KB
MD587012d2ab799c59e6beabaab2393f6f0
SHA19717e81f1ff99d522aa9867ec75857cabfefeb29
SHA2565cf04b420a9662da4e823867bc143159edcd36c705efc820cb1bc363a77fae4c
SHA51242fbd8f7c78b373be78fee774a2d43accfa71e36b9786c977044656701ee34250123a4e859a7afc51e8f76e7413c62a4cb9d0ace9d7f50c621cf8b15e469d47f
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Filesize
116KB
MD587012d2ab799c59e6beabaab2393f6f0
SHA19717e81f1ff99d522aa9867ec75857cabfefeb29
SHA2565cf04b420a9662da4e823867bc143159edcd36c705efc820cb1bc363a77fae4c
SHA51242fbd8f7c78b373be78fee774a2d43accfa71e36b9786c977044656701ee34250123a4e859a7afc51e8f76e7413c62a4cb9d0ace9d7f50c621cf8b15e469d47f