Analysis
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max time kernel
150s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
12/03/2024, 02:42
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
c240a73a05930190ba6b26305dbd03b5.exe
Resource
win7-20240221-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
c240a73a05930190ba6b26305dbd03b5.exe
Resource
win10v2004-20240226-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
c240a73a05930190ba6b26305dbd03b5.exe
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Size
236KB
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MD5
c240a73a05930190ba6b26305dbd03b5
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SHA1
383a799396a66931166edf46963cafde458ac635
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SHA256
c26b7e05d554cae91b4bba25b8d7e408b8277402b36ed469dd83f49491e30460
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SHA512
7c7d7f179682affc804d4517432e31e3849ef40722e60389564e22900bc68508329d42ac5f05ff1b1cd589e54973762f7fb7f9ccbf8c9e954d0dbdf7253ee401
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SSDEEP
6144:2wmR1EzYbPCS8WsD7s0FU6ykbsdb/y99z9tnL9O99999N9999V999996999WLf9u:2J
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" cwtum.exe -
Executes dropped EXE 1 IoCs
pid Process 2904 cwtum.exe -
Loads dropped DLL 2 IoCs
pid Process 2164 c240a73a05930190ba6b26305dbd03b5.exe 2164 c240a73a05930190ba6b26305dbd03b5.exe -
Adds Run key to start application 2 TTPs 52 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /n" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /d" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /q" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /J" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /Y" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /E" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /z" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /I" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /T" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /S" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /k" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /y" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /F" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /Q" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /b" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /c" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /r" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /L" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /Z" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /O" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /W" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /C" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /x" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /K" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /V" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /p" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /i" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /u" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /N" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /e" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /w" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /G" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /l" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /X" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /s" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /M" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /v" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /t" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /f" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /m" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /A" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /o" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /g" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /h" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /D" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /U" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /R" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /P" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /a" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /B" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /H" cwtum.exe Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\cwtum = "C:\\Users\\Admin\\cwtum.exe /j" cwtum.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 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe 2904 cwtum.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2164 c240a73a05930190ba6b26305dbd03b5.exe 2904 cwtum.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2164 wrote to memory of 2904 2164 c240a73a05930190ba6b26305dbd03b5.exe 28 PID 2164 wrote to memory of 2904 2164 c240a73a05930190ba6b26305dbd03b5.exe 28 PID 2164 wrote to memory of 2904 2164 c240a73a05930190ba6b26305dbd03b5.exe 28 PID 2164 wrote to memory of 2904 2164 c240a73a05930190ba6b26305dbd03b5.exe 28 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27 PID 2904 wrote to memory of 2164 2904 cwtum.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\c240a73a05930190ba6b26305dbd03b5.exe"C:\Users\Admin\AppData\Local\Temp\c240a73a05930190ba6b26305dbd03b5.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2164 -
C:\Users\Admin\cwtum.exe"C:\Users\Admin\cwtum.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
- Suspicious use of WriteProcessMemory
PID:2904
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
236KB
MD5c3f592b9b505a15838d13c7c44c7415a
SHA1e66166124e7ef5738fafb3a13c3db5748a74949a
SHA256e18d0bac3773d9e20cfa3015398a62053c51093fbccc12827dc36261535d82d2
SHA512b2db3d3fdb09975791bfdd4a823dd9456b4b2449406f57efaad23070fdfa38eb4b7aa9417b0aeb34935e9af1f95960a79eda731b05ed0372350cb6fc346c6f3b