Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
13/02/2024, 03:32
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
985e2e561faf1ba39a45b2a5cc7d5c1f.exe
Resource
win7-20231215-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
985e2e561faf1ba39a45b2a5cc7d5c1f.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
985e2e561faf1ba39a45b2a5cc7d5c1f.exe
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Size
184KB
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MD5
985e2e561faf1ba39a45b2a5cc7d5c1f
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SHA1
a4faa8eadccf03e05ead587759cd98105ce12034
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SHA256
25dbd58ea5594602e17bd9b5dac9be02b3c399c82bd990bf58a364164ff8a86b
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SHA512
136331a40ae72f06d1298f1f39991d5888b0ee12bb25ce72dadc02c930354124887820b959eb51b6ecdf9d896b8971cf74a194bc53c8ddcae596035aea7dd43b
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SSDEEP
1536:CmsGCevMJiDNfwNkB+HYq2jKS3g7E26v3AxwhtI/7fZrYFj/f9koXapBDF3N8I+B:33CKNfKYq27vvdhtIDBUrAFeWHISFCH
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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 985e2e561faf1ba39a45b2a5cc7d5c1f.exe Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" wuiino.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-1-5-21-1815711207-1844170477-3539718864-1000\Control Panel\International\Geo\Nation 985e2e561faf1ba39a45b2a5cc7d5c1f.exe -
Executes dropped EXE 1 IoCs
pid Process 720 wuiino.exe -
Adds Run key to start application 2 TTPs 27 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuiino = "C:\\Users\\Admin\\wuiino.exe /n" wuiino.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuiino = "C:\\Users\\Admin\\wuiino.exe /p" wuiino.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuiino = "C:\\Users\\Admin\\wuiino.exe /a" wuiino.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuiino = "C:\\Users\\Admin\\wuiino.exe /o" wuiino.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuiino = "C:\\Users\\Admin\\wuiino.exe /c" wuiino.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuiino = "C:\\Users\\Admin\\wuiino.exe /e" wuiino.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuiino = "C:\\Users\\Admin\\wuiino.exe /m" wuiino.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuiino = "C:\\Users\\Admin\\wuiino.exe /j" wuiino.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuiino = "C:\\Users\\Admin\\wuiino.exe /i" wuiino.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuiino = "C:\\Users\\Admin\\wuiino.exe /q" wuiino.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuiino = "C:\\Users\\Admin\\wuiino.exe /h" wuiino.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuiino = "C:\\Users\\Admin\\wuiino.exe /b" wuiino.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuiino = "C:\\Users\\Admin\\wuiino.exe /x" 985e2e561faf1ba39a45b2a5cc7d5c1f.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuiino = "C:\\Users\\Admin\\wuiino.exe /d" wuiino.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuiino = "C:\\Users\\Admin\\wuiino.exe /t" wuiino.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuiino = "C:\\Users\\Admin\\wuiino.exe /u" wuiino.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuiino = "C:\\Users\\Admin\\wuiino.exe /s" wuiino.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuiino = "C:\\Users\\Admin\\wuiino.exe /k" wuiino.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuiino = "C:\\Users\\Admin\\wuiino.exe /g" wuiino.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuiino = "C:\\Users\\Admin\\wuiino.exe /l" wuiino.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuiino = "C:\\Users\\Admin\\wuiino.exe /f" wuiino.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuiino = "C:\\Users\\Admin\\wuiino.exe /y" wuiino.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuiino = "C:\\Users\\Admin\\wuiino.exe /v" wuiino.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuiino = "C:\\Users\\Admin\\wuiino.exe /x" wuiino.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuiino = "C:\\Users\\Admin\\wuiino.exe /z" wuiino.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuiino = "C:\\Users\\Admin\\wuiino.exe /r" wuiino.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wuiino = "C:\\Users\\Admin\\wuiino.exe /w" wuiino.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000_Classes\Local Settings 985e2e561faf1ba39a45b2a5cc7d5c1f.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1704 985e2e561faf1ba39a45b2a5cc7d5c1f.exe 1704 985e2e561faf1ba39a45b2a5cc7d5c1f.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe 720 wuiino.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1704 985e2e561faf1ba39a45b2a5cc7d5c1f.exe 720 wuiino.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1704 wrote to memory of 720 1704 985e2e561faf1ba39a45b2a5cc7d5c1f.exe 82 PID 1704 wrote to memory of 720 1704 985e2e561faf1ba39a45b2a5cc7d5c1f.exe 82 PID 1704 wrote to memory of 720 1704 985e2e561faf1ba39a45b2a5cc7d5c1f.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\985e2e561faf1ba39a45b2a5cc7d5c1f.exe"C:\Users\Admin\AppData\Local\Temp\985e2e561faf1ba39a45b2a5cc7d5c1f.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1704 -
C:\Users\Admin\wuiino.exe"C:\Users\Admin\wuiino.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:720
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:4708
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
184KB
MD5985e2e561faf1ba39a45b2a5cc7d5c1f
SHA1a4faa8eadccf03e05ead587759cd98105ce12034
SHA25625dbd58ea5594602e17bd9b5dac9be02b3c399c82bd990bf58a364164ff8a86b
SHA512136331a40ae72f06d1298f1f39991d5888b0ee12bb25ce72dadc02c930354124887820b959eb51b6ecdf9d896b8971cf74a194bc53c8ddcae596035aea7dd43b