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Analysis
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max time kernel
151s -
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
03/05/2024, 04:59
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
ee219c8eb0cba96c17beb6fe6e891fef94f3c1adbcea018d33f78a66d0fd9f95.exe
Resource
win7-20240220-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
ee219c8eb0cba96c17beb6fe6e891fef94f3c1adbcea018d33f78a66d0fd9f95.exe
Resource
win10v2004-20240226-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
ee219c8eb0cba96c17beb6fe6e891fef94f3c1adbcea018d33f78a66d0fd9f95.exe
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Size
228KB
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MD5
ac9f41d30f06d576b8b7804887b2de4d
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SHA1
afdc708ab9422eb0489ea45380a59a066409a088
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SHA256
ee219c8eb0cba96c17beb6fe6e891fef94f3c1adbcea018d33f78a66d0fd9f95
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SHA512
a125dbb69d6f7d5a6a134fc96b5b44bac8a1a95d6ac65addb9cec6bd4b1c318e0b4959ca46e746f431e1b0935c25f2d4d2e2188ad96635d797bbc544117875f7
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SSDEEP
6144:D5GDh4jLt4NVcWgyGELwXiS8T+bbhn7aRjS5ZgBb0:1GWntWyD1LiS8lS5ZI
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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" ee219c8eb0cba96c17beb6fe6e891fef94f3c1adbcea018d33f78a66d0fd9f95.exe Set value (int) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" yoosei.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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation ee219c8eb0cba96c17beb6fe6e891fef94f3c1adbcea018d33f78a66d0fd9f95.exe -
Executes dropped EXE 1 IoCs
pid Process 1124 yoosei.exe -
Adds Run key to start application 2 TTPs 52 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /O" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /u" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /F" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /D" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /l" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /J" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /K" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /Z" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /z" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /p" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /X" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /H" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /c" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /g" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /V" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /h" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /n" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /e" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /f" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /w" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /t" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /P" ee219c8eb0cba96c17beb6fe6e891fef94f3c1adbcea018d33f78a66d0fd9f95.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /b" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /k" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /C" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /d" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /B" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /U" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /G" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /T" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /S" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /R" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /N" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /m" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /s" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /M" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /W" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /A" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /a" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /Y" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /v" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /r" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /q" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /E" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /x" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /i" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /y" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /P" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /Q" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /I" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /o" yoosei.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoosei = "C:\\Users\\Admin\\yoosei.exe /L" yoosei.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 3852 ee219c8eb0cba96c17beb6fe6e891fef94f3c1adbcea018d33f78a66d0fd9f95.exe 3852 ee219c8eb0cba96c17beb6fe6e891fef94f3c1adbcea018d33f78a66d0fd9f95.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe 1124 yoosei.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3852 ee219c8eb0cba96c17beb6fe6e891fef94f3c1adbcea018d33f78a66d0fd9f95.exe 1124 yoosei.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3852 wrote to memory of 1124 3852 ee219c8eb0cba96c17beb6fe6e891fef94f3c1adbcea018d33f78a66d0fd9f95.exe 91 PID 3852 wrote to memory of 1124 3852 ee219c8eb0cba96c17beb6fe6e891fef94f3c1adbcea018d33f78a66d0fd9f95.exe 91 PID 3852 wrote to memory of 1124 3852 ee219c8eb0cba96c17beb6fe6e891fef94f3c1adbcea018d33f78a66d0fd9f95.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\ee219c8eb0cba96c17beb6fe6e891fef94f3c1adbcea018d33f78a66d0fd9f95.exe"C:\Users\Admin\AppData\Local\Temp\ee219c8eb0cba96c17beb6fe6e891fef94f3c1adbcea018d33f78a66d0fd9f95.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:3852 -
C:\Users\Admin\yoosei.exe"C:\Users\Admin\yoosei.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:1124
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1408 --field-trial-handle=2280,i,4114443225282860369,4764091921472631035,262144 --variations-seed-version /prefetch:81⤵PID:3464
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
228KB
MD571fff6e0f4d9d4b3b9e2fb326b5bda52
SHA15e33bedf795463f1a2cb9824d32678ee9fd9604b
SHA256474a6ca720421f188d56105b3026ca0b19e524d553a453d61048b9f04696429f
SHA512567dab3cf2c374304ffdb62db8104b48efe6148684a7d8abf13fe2b4cff6de4e0dcb22f2dd99a03fb771dce4a506a6b0ea6fef79ce7ddf4a6fcf6f4352c55b82