Analysis
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max time kernel
150s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
24/11/2022, 00:13
Static task
static1
Behavioral task
behavioral1
Sample
4149fd4338adee4ad278cef15b8bebe94b55ea2c29ea4ce440f28568a2a7119d.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
4149fd4338adee4ad278cef15b8bebe94b55ea2c29ea4ce440f28568a2a7119d.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
4149fd4338adee4ad278cef15b8bebe94b55ea2c29ea4ce440f28568a2a7119d.exe
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Size
116KB
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MD5
1568ef0ef210a0eee72a3bb1b9195b10
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SHA1
6c89b840be9c4dcbbd286dd4d085ccf1c4eed7b9
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SHA256
4149fd4338adee4ad278cef15b8bebe94b55ea2c29ea4ce440f28568a2a7119d
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SHA512
a94a5445e42694ce211425c4bea25f939e820cae1d5ba0b72da2528be13fc80c0e891dc5b45ca00623230322e0dd587a4ea02e84dc211d247f7b0cac247414d2
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SSDEEP
1536:d+cIRGsp9heep3E5zkons4MBikY+msHH0o4vwo3L2YRTB6m8AJ0X:dF41s0E5zkPBir+miUoUEYRTB6ZYu
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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 4149fd4338adee4ad278cef15b8bebe94b55ea2c29ea4ce440f28568a2a7119d.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" yeiod.exe -
Executes dropped EXE 1 IoCs
pid Process 1464 yeiod.exe -
Loads dropped DLL 2 IoCs
pid Process 240 4149fd4338adee4ad278cef15b8bebe94b55ea2c29ea4ce440f28568a2a7119d.exe 240 4149fd4338adee4ad278cef15b8bebe94b55ea2c29ea4ce440f28568a2a7119d.exe -
Adds Run key to start application 2 TTPs 52 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /j" yeiod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /Q" yeiod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /q" yeiod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /k" yeiod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /i" yeiod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /g" yeiod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /D" yeiod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /s" yeiod.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 4149fd4338adee4ad278cef15b8bebe94b55ea2c29ea4ce440f28568a2a7119d.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /m" yeiod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /Y" yeiod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /E" yeiod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /b" yeiod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /f" yeiod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /r" yeiod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /x" yeiod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /p" yeiod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /J" yeiod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /l" yeiod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /u" yeiod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /z" yeiod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /K" yeiod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /e" yeiod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /P" yeiod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /T" yeiod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /F" yeiod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /R" yeiod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /C" yeiod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /M" yeiod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /w" yeiod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /t" yeiod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /U" yeiod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /W" yeiod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /y" yeiod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /v" yeiod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /q" 4149fd4338adee4ad278cef15b8bebe94b55ea2c29ea4ce440f28568a2a7119d.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /A" yeiod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /L" yeiod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /h" yeiod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /N" yeiod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /I" yeiod.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ yeiod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /H" yeiod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /S" yeiod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /B" yeiod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /X" yeiod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /V" yeiod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /c" yeiod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /o" yeiod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /d" yeiod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /n" yeiod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiod = "C:\\Users\\Admin\\yeiod.exe /O" yeiod.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 240 4149fd4338adee4ad278cef15b8bebe94b55ea2c29ea4ce440f28568a2a7119d.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe 1464 yeiod.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 240 4149fd4338adee4ad278cef15b8bebe94b55ea2c29ea4ce440f28568a2a7119d.exe 1464 yeiod.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 240 wrote to memory of 1464 240 4149fd4338adee4ad278cef15b8bebe94b55ea2c29ea4ce440f28568a2a7119d.exe 28 PID 240 wrote to memory of 1464 240 4149fd4338adee4ad278cef15b8bebe94b55ea2c29ea4ce440f28568a2a7119d.exe 28 PID 240 wrote to memory of 1464 240 4149fd4338adee4ad278cef15b8bebe94b55ea2c29ea4ce440f28568a2a7119d.exe 28 PID 240 wrote to memory of 1464 240 4149fd4338adee4ad278cef15b8bebe94b55ea2c29ea4ce440f28568a2a7119d.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\4149fd4338adee4ad278cef15b8bebe94b55ea2c29ea4ce440f28568a2a7119d.exe"C:\Users\Admin\AppData\Local\Temp\4149fd4338adee4ad278cef15b8bebe94b55ea2c29ea4ce440f28568a2a7119d.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:240 -
C:\Users\Admin\yeiod.exe"C:\Users\Admin\yeiod.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:1464
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
116KB
MD5f64762dd33565b4ef151f85872b4cbe0
SHA1ca385215607fe82f89c0b21acd255360e19bb3f2
SHA25673f4f8f8e57f9ec548a8c5178f03b1668acb061206324f3ff44f1e4c8093b1b9
SHA512c6b3f4aeb6a3ca0ec7144b5885e70245e3ff91b40db1d68a4810d94a9e51bab596e8d2e46ab2458ba31a734b15d51e17a4c9840cefc23a5fe9d652a2ebaa524b
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Filesize
116KB
MD5f64762dd33565b4ef151f85872b4cbe0
SHA1ca385215607fe82f89c0b21acd255360e19bb3f2
SHA25673f4f8f8e57f9ec548a8c5178f03b1668acb061206324f3ff44f1e4c8093b1b9
SHA512c6b3f4aeb6a3ca0ec7144b5885e70245e3ff91b40db1d68a4810d94a9e51bab596e8d2e46ab2458ba31a734b15d51e17a4c9840cefc23a5fe9d652a2ebaa524b
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Filesize
116KB
MD5f64762dd33565b4ef151f85872b4cbe0
SHA1ca385215607fe82f89c0b21acd255360e19bb3f2
SHA25673f4f8f8e57f9ec548a8c5178f03b1668acb061206324f3ff44f1e4c8093b1b9
SHA512c6b3f4aeb6a3ca0ec7144b5885e70245e3ff91b40db1d68a4810d94a9e51bab596e8d2e46ab2458ba31a734b15d51e17a4c9840cefc23a5fe9d652a2ebaa524b
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Filesize
116KB
MD5f64762dd33565b4ef151f85872b4cbe0
SHA1ca385215607fe82f89c0b21acd255360e19bb3f2
SHA25673f4f8f8e57f9ec548a8c5178f03b1668acb061206324f3ff44f1e4c8093b1b9
SHA512c6b3f4aeb6a3ca0ec7144b5885e70245e3ff91b40db1d68a4810d94a9e51bab596e8d2e46ab2458ba31a734b15d51e17a4c9840cefc23a5fe9d652a2ebaa524b