Analysis
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max time kernel
153s -
max time network
104s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
05/12/2022, 20:24
Static task
static1
Behavioral task
behavioral1
Sample
a90d0c09a3a7c6c93156fb96c53327fb974ceef500f77456f0761aec3ad2c5ba.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
a90d0c09a3a7c6c93156fb96c53327fb974ceef500f77456f0761aec3ad2c5ba.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
a90d0c09a3a7c6c93156fb96c53327fb974ceef500f77456f0761aec3ad2c5ba.exe
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Size
124KB
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MD5
4317f91218e9d6233d652e25ee953292
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SHA1
7b5fe4a11671e66f72d601325baca69b86d1eb25
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SHA256
a90d0c09a3a7c6c93156fb96c53327fb974ceef500f77456f0761aec3ad2c5ba
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SHA512
c608a1e4b4dbeb39ac635f2a7b43731d2768329a6e110856730e4fd1e53b03cd5fc21dbda44af75e6ad231793069ae9ccb01f45516965f02a9d4f63e1d25afbf
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SSDEEP
1536:rOtkjETQRHU0GgAJa0P1kNmKldCMhdu8KWP/nTn8nBP9VeMNeG0h/E:AkjjRHU0GgAT9gM
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" a90d0c09a3a7c6c93156fb96c53327fb974ceef500f77456f0761aec3ad2c5ba.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" jooan.exe -
Executes dropped EXE 1 IoCs
pid Process 604 jooan.exe -
Loads dropped DLL 2 IoCs
pid Process 896 a90d0c09a3a7c6c93156fb96c53327fb974ceef500f77456f0761aec3ad2c5ba.exe 896 a90d0c09a3a7c6c93156fb96c53327fb974ceef500f77456f0761aec3ad2c5ba.exe -
Adds Run key to start application 2 TTPs 53 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /c" jooan.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /R" jooan.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /M" jooan.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /o" jooan.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ a90d0c09a3a7c6c93156fb96c53327fb974ceef500f77456f0761aec3ad2c5ba.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /C" jooan.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /S" jooan.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /E" jooan.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /v" jooan.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /w" jooan.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /A" jooan.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /B" jooan.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /h" jooan.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /a" jooan.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /U" jooan.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ jooan.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /W" jooan.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /L" jooan.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /Z" jooan.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /e" jooan.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /K" jooan.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /d" jooan.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /z" jooan.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /n" jooan.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /s" jooan.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /J" jooan.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /H" jooan.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /l" jooan.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /t" jooan.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /X" jooan.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /O" jooan.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /f" jooan.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /G" jooan.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /Y" jooan.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /F" jooan.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /Q" a90d0c09a3a7c6c93156fb96c53327fb974ceef500f77456f0761aec3ad2c5ba.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /b" jooan.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /D" jooan.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /V" jooan.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /Q" jooan.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /x" jooan.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /u" jooan.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /m" jooan.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /j" jooan.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /i" jooan.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /q" jooan.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /k" jooan.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /y" jooan.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /P" jooan.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /g" jooan.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /N" jooan.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /I" jooan.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\jooan = "C:\\Users\\Admin\\jooan.exe /p" jooan.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 896 a90d0c09a3a7c6c93156fb96c53327fb974ceef500f77456f0761aec3ad2c5ba.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe 604 jooan.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 896 a90d0c09a3a7c6c93156fb96c53327fb974ceef500f77456f0761aec3ad2c5ba.exe 604 jooan.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 896 wrote to memory of 604 896 a90d0c09a3a7c6c93156fb96c53327fb974ceef500f77456f0761aec3ad2c5ba.exe 28 PID 896 wrote to memory of 604 896 a90d0c09a3a7c6c93156fb96c53327fb974ceef500f77456f0761aec3ad2c5ba.exe 28 PID 896 wrote to memory of 604 896 a90d0c09a3a7c6c93156fb96c53327fb974ceef500f77456f0761aec3ad2c5ba.exe 28 PID 896 wrote to memory of 604 896 a90d0c09a3a7c6c93156fb96c53327fb974ceef500f77456f0761aec3ad2c5ba.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\a90d0c09a3a7c6c93156fb96c53327fb974ceef500f77456f0761aec3ad2c5ba.exe"C:\Users\Admin\AppData\Local\Temp\a90d0c09a3a7c6c93156fb96c53327fb974ceef500f77456f0761aec3ad2c5ba.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:896 -
C:\Users\Admin\jooan.exe"C:\Users\Admin\jooan.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:604
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
124KB
MD5e3c04d3fd12e5c88da3fb5f608284a78
SHA1a4b8bc5f0fa8a3d0d7b1e195b93399f305b43036
SHA25671685db7030273a3b2fc7440e0b988326e2b10d480fe79999361ef0d398dca90
SHA512a4b78e85060053099ac3d752336b17e949f773d770ab9c960939e089b4ed98fad37cdb06b927a69c33fef8947cbaf83c6742cd0be37f977e6c77c79df9cf9617
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Filesize
124KB
MD5e3c04d3fd12e5c88da3fb5f608284a78
SHA1a4b8bc5f0fa8a3d0d7b1e195b93399f305b43036
SHA25671685db7030273a3b2fc7440e0b988326e2b10d480fe79999361ef0d398dca90
SHA512a4b78e85060053099ac3d752336b17e949f773d770ab9c960939e089b4ed98fad37cdb06b927a69c33fef8947cbaf83c6742cd0be37f977e6c77c79df9cf9617
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Filesize
124KB
MD5e3c04d3fd12e5c88da3fb5f608284a78
SHA1a4b8bc5f0fa8a3d0d7b1e195b93399f305b43036
SHA25671685db7030273a3b2fc7440e0b988326e2b10d480fe79999361ef0d398dca90
SHA512a4b78e85060053099ac3d752336b17e949f773d770ab9c960939e089b4ed98fad37cdb06b927a69c33fef8947cbaf83c6742cd0be37f977e6c77c79df9cf9617
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Filesize
124KB
MD5e3c04d3fd12e5c88da3fb5f608284a78
SHA1a4b8bc5f0fa8a3d0d7b1e195b93399f305b43036
SHA25671685db7030273a3b2fc7440e0b988326e2b10d480fe79999361ef0d398dca90
SHA512a4b78e85060053099ac3d752336b17e949f773d770ab9c960939e089b4ed98fad37cdb06b927a69c33fef8947cbaf83c6742cd0be37f977e6c77c79df9cf9617