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Analysis
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max time kernel
171s -
max time network
173s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
29/11/2022, 17:15
Static task
static1
Behavioral task
behavioral1
Sample
b05966a4a70e73a325fea33d92104c424b58e53af8b8a71bb9ac29aefa160688.exe
Resource
win7-20220812-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
b05966a4a70e73a325fea33d92104c424b58e53af8b8a71bb9ac29aefa160688.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
11 signatures
150 seconds
General
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Target
b05966a4a70e73a325fea33d92104c424b58e53af8b8a71bb9ac29aefa160688.exe
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Size
159KB
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MD5
1ba214573669a4a1bf7724611e5a4880
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SHA1
06d5473d32595635948b78e6a55009f5a8d978c6
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SHA256
b05966a4a70e73a325fea33d92104c424b58e53af8b8a71bb9ac29aefa160688
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SHA512
76d13f275c818f91a234608b72c462319cd0b90565a67a381744e59ed6e7c5db59e9775ffcdb85a3f3e42abb5585acc9b14f25f9e4de47fb8dbea50c638a3f69
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SSDEEP
3072:psyhVGAfs16amhKCVr01U9d6Rm/q/9GgGUaOkLxnPfTXg9iJeq:psywvmzh01KuxFraFVPfTXn7
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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" b05966a4a70e73a325fea33d92104c424b58e53af8b8a71bb9ac29aefa160688.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" seiuti.exe -
Executes dropped EXE 2 IoCs
pid Process 1032 seiuti.exe 3880 seiuti.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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation b05966a4a70e73a325fea33d92104c424b58e53af8b8a71bb9ac29aefa160688.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiuti = "C:\\Users\\Admin\\seiuti.exe /g" seiuti.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiuti = "C:\\Users\\Admin\\seiuti.exe /l" seiuti.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiuti = "C:\\Users\\Admin\\seiuti.exe /f" seiuti.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiuti = "C:\\Users\\Admin\\seiuti.exe /y" b05966a4a70e73a325fea33d92104c424b58e53af8b8a71bb9ac29aefa160688.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ seiuti.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiuti = "C:\\Users\\Admin\\seiuti.exe /u" seiuti.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiuti = "C:\\Users\\Admin\\seiuti.exe /q" seiuti.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiuti = "C:\\Users\\Admin\\seiuti.exe /p" seiuti.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiuti = "C:\\Users\\Admin\\seiuti.exe /c" seiuti.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiuti = "C:\\Users\\Admin\\seiuti.exe /z" seiuti.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiuti = "C:\\Users\\Admin\\seiuti.exe /s" seiuti.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiuti = "C:\\Users\\Admin\\seiuti.exe /b" seiuti.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiuti = "C:\\Users\\Admin\\seiuti.exe /a" seiuti.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiuti = "C:\\Users\\Admin\\seiuti.exe /o" seiuti.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiuti = "C:\\Users\\Admin\\seiuti.exe /w" seiuti.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiuti = "C:\\Users\\Admin\\seiuti.exe /j" seiuti.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ b05966a4a70e73a325fea33d92104c424b58e53af8b8a71bb9ac29aefa160688.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiuti = "C:\\Users\\Admin\\seiuti.exe /h" seiuti.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiuti = "C:\\Users\\Admin\\seiuti.exe /m" seiuti.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiuti = "C:\\Users\\Admin\\seiuti.exe /x" seiuti.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiuti = "C:\\Users\\Admin\\seiuti.exe /i" seiuti.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiuti = "C:\\Users\\Admin\\seiuti.exe /r" seiuti.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiuti = "C:\\Users\\Admin\\seiuti.exe /d" seiuti.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiuti = "C:\\Users\\Admin\\seiuti.exe /n" seiuti.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiuti = "C:\\Users\\Admin\\seiuti.exe /e" seiuti.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiuti = "C:\\Users\\Admin\\seiuti.exe /v" seiuti.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiuti = "C:\\Users\\Admin\\seiuti.exe /k" seiuti.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiuti = "C:\\Users\\Admin\\seiuti.exe /t" seiuti.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiuti = "C:\\Users\\Admin\\seiuti.exe /y" seiuti.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 b05966a4a70e73a325fea33d92104c424b58e53af8b8a71bb9ac29aefa160688.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 b05966a4a70e73a325fea33d92104c424b58e53af8b8a71bb9ac29aefa160688.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum seiuti.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 seiuti.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 seiuti.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 5044 set thread context of 4180 5044 b05966a4a70e73a325fea33d92104c424b58e53af8b8a71bb9ac29aefa160688.exe 79 PID 1032 set thread context of 3880 1032 seiuti.exe 81 -
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 4180 b05966a4a70e73a325fea33d92104c424b58e53af8b8a71bb9ac29aefa160688.exe 4180 b05966a4a70e73a325fea33d92104c424b58e53af8b8a71bb9ac29aefa160688.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe 3880 seiuti.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 5044 b05966a4a70e73a325fea33d92104c424b58e53af8b8a71bb9ac29aefa160688.exe 4180 b05966a4a70e73a325fea33d92104c424b58e53af8b8a71bb9ac29aefa160688.exe 1032 seiuti.exe 3880 seiuti.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 5044 wrote to memory of 4180 5044 b05966a4a70e73a325fea33d92104c424b58e53af8b8a71bb9ac29aefa160688.exe 79 PID 5044 wrote to memory of 4180 5044 b05966a4a70e73a325fea33d92104c424b58e53af8b8a71bb9ac29aefa160688.exe 79 PID 5044 wrote to memory of 4180 5044 b05966a4a70e73a325fea33d92104c424b58e53af8b8a71bb9ac29aefa160688.exe 79 PID 5044 wrote to memory of 4180 5044 b05966a4a70e73a325fea33d92104c424b58e53af8b8a71bb9ac29aefa160688.exe 79 PID 5044 wrote to memory of 4180 5044 b05966a4a70e73a325fea33d92104c424b58e53af8b8a71bb9ac29aefa160688.exe 79 PID 5044 wrote to memory of 4180 5044 b05966a4a70e73a325fea33d92104c424b58e53af8b8a71bb9ac29aefa160688.exe 79 PID 5044 wrote to memory of 4180 5044 b05966a4a70e73a325fea33d92104c424b58e53af8b8a71bb9ac29aefa160688.exe 79 PID 5044 wrote to memory of 4180 5044 b05966a4a70e73a325fea33d92104c424b58e53af8b8a71bb9ac29aefa160688.exe 79 PID 5044 wrote to memory of 4180 5044 b05966a4a70e73a325fea33d92104c424b58e53af8b8a71bb9ac29aefa160688.exe 79 PID 4180 wrote to memory of 1032 4180 b05966a4a70e73a325fea33d92104c424b58e53af8b8a71bb9ac29aefa160688.exe 80 PID 4180 wrote to memory of 1032 4180 b05966a4a70e73a325fea33d92104c424b58e53af8b8a71bb9ac29aefa160688.exe 80 PID 4180 wrote to memory of 1032 4180 b05966a4a70e73a325fea33d92104c424b58e53af8b8a71bb9ac29aefa160688.exe 80 PID 1032 wrote to memory of 3880 1032 seiuti.exe 81 PID 1032 wrote to memory of 3880 1032 seiuti.exe 81 PID 1032 wrote to memory of 3880 1032 seiuti.exe 81 PID 1032 wrote to memory of 3880 1032 seiuti.exe 81 PID 1032 wrote to memory of 3880 1032 seiuti.exe 81 PID 1032 wrote to memory of 3880 1032 seiuti.exe 81 PID 1032 wrote to memory of 3880 1032 seiuti.exe 81 PID 1032 wrote to memory of 3880 1032 seiuti.exe 81 PID 1032 wrote to memory of 3880 1032 seiuti.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\b05966a4a70e73a325fea33d92104c424b58e53af8b8a71bb9ac29aefa160688.exe"C:\Users\Admin\AppData\Local\Temp\b05966a4a70e73a325fea33d92104c424b58e53af8b8a71bb9ac29aefa160688.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5044 -
C:\Users\Admin\AppData\Local\Temp\b05966a4a70e73a325fea33d92104c424b58e53af8b8a71bb9ac29aefa160688.exe712⤵
- 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:4180 -
C:\Users\Admin\seiuti.exe"C:\Users\Admin\seiuti.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1032 -
C:\Users\Admin\seiuti.exe714⤵
- 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:3880
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
159KB
MD51ba214573669a4a1bf7724611e5a4880
SHA106d5473d32595635948b78e6a55009f5a8d978c6
SHA256b05966a4a70e73a325fea33d92104c424b58e53af8b8a71bb9ac29aefa160688
SHA51276d13f275c818f91a234608b72c462319cd0b90565a67a381744e59ed6e7c5db59e9775ffcdb85a3f3e42abb5585acc9b14f25f9e4de47fb8dbea50c638a3f69
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Filesize
159KB
MD51ba214573669a4a1bf7724611e5a4880
SHA106d5473d32595635948b78e6a55009f5a8d978c6
SHA256b05966a4a70e73a325fea33d92104c424b58e53af8b8a71bb9ac29aefa160688
SHA51276d13f275c818f91a234608b72c462319cd0b90565a67a381744e59ed6e7c5db59e9775ffcdb85a3f3e42abb5585acc9b14f25f9e4de47fb8dbea50c638a3f69
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Filesize
159KB
MD51ba214573669a4a1bf7724611e5a4880
SHA106d5473d32595635948b78e6a55009f5a8d978c6
SHA256b05966a4a70e73a325fea33d92104c424b58e53af8b8a71bb9ac29aefa160688
SHA51276d13f275c818f91a234608b72c462319cd0b90565a67a381744e59ed6e7c5db59e9775ffcdb85a3f3e42abb5585acc9b14f25f9e4de47fb8dbea50c638a3f69