Analysis
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max time kernel
150s -
max time network
135s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
11-10-2022 20:35
Static task
static1
Behavioral task
behavioral1
Sample
03d34c4159bd693696d2a07e3500efdcf611e69db31123a2012407dfd6408f4a.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
03d34c4159bd693696d2a07e3500efdcf611e69db31123a2012407dfd6408f4a.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
03d34c4159bd693696d2a07e3500efdcf611e69db31123a2012407dfd6408f4a.exe
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Size
340KB
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MD5
6801f5b3e08daf16f81d76519013f2b7
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SHA1
32163f7454de7bca0907f2c6b1ca49b86acdf555
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SHA256
03d34c4159bd693696d2a07e3500efdcf611e69db31123a2012407dfd6408f4a
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SHA512
ef7dec9da137f702f7f98df69e799e6e8b4cf12107f5ad0cd031039fd095d8bb3600bb3dc8118fa9bbf3eb0f884b207f8251c82d47200d25bc07a57533a29146
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SSDEEP
6144:VFPR9SLkWor+akVC5s/durgm7hv8htqiXkIvaX/m7bfTWaUspmHjYT9oFv6wHH/y:b59SLkWor+akVC5s/dIdEhtqiXkIvaX+
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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 03d34c4159bd693696d2a07e3500efdcf611e69db31123a2012407dfd6408f4a.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" coiut.exe -
Executes dropped EXE 1 IoCs
pid Process 3164 coiut.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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation 03d34c4159bd693696d2a07e3500efdcf611e69db31123a2012407dfd6408f4a.exe -
Adds Run key to start application 2 TTPs 54 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /i" coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /N" coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /H" coiut.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 03d34c4159bd693696d2a07e3500efdcf611e69db31123a2012407dfd6408f4a.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /f" coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /O" coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /V" coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /D" coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /K" coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /k" coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /W" coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /P" coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /z" coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /j" coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /d" coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /y" coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /T" coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /n" coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /S" coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /L" coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /l" coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /t" coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /p" coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /C" coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /J" coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /h" coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /q" coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /A" coiut.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /X" coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /Z" coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /e" coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /Q" coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /b" coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /G" coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /y" 03d34c4159bd693696d2a07e3500efdcf611e69db31123a2012407dfd6408f4a.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /R" coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /w" coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /B" coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /Y" coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /a" coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /u" coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /m" coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /r" coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /I" coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /s" coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /o" coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /c" coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /F" coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /E" coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /g" coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /M" coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /U" coiut.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coiut = "C:\\Users\\Admin\\coiut.exe /x" coiut.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 3856 03d34c4159bd693696d2a07e3500efdcf611e69db31123a2012407dfd6408f4a.exe 3856 03d34c4159bd693696d2a07e3500efdcf611e69db31123a2012407dfd6408f4a.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe 3164 coiut.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3856 03d34c4159bd693696d2a07e3500efdcf611e69db31123a2012407dfd6408f4a.exe 3164 coiut.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3856 wrote to memory of 3164 3856 03d34c4159bd693696d2a07e3500efdcf611e69db31123a2012407dfd6408f4a.exe 86 PID 3856 wrote to memory of 3164 3856 03d34c4159bd693696d2a07e3500efdcf611e69db31123a2012407dfd6408f4a.exe 86 PID 3856 wrote to memory of 3164 3856 03d34c4159bd693696d2a07e3500efdcf611e69db31123a2012407dfd6408f4a.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\03d34c4159bd693696d2a07e3500efdcf611e69db31123a2012407dfd6408f4a.exe"C:\Users\Admin\AppData\Local\Temp\03d34c4159bd693696d2a07e3500efdcf611e69db31123a2012407dfd6408f4a.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:3856 -
C:\Users\Admin\coiut.exe"C:\Users\Admin\coiut.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:3164
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
340KB
MD5e0c27bd488a67fe0f741a83a2789db87
SHA17297cfe96ad8e5684bbf5c777517f203018f69e4
SHA256f2cb7da64a7f45d844192aa6e22fc55f921a03ccf0f4474b5a9f54234e1e2153
SHA512c0cfff08ccb3f5f5bdb93098d4e0e07f9a5c7d79dbecab8395e58e8ca6fa502cad2900f0f6d15680169a0d89fcd4dc75823b9f6b26608d02b78dcc0d6188d316
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Filesize
340KB
MD5e0c27bd488a67fe0f741a83a2789db87
SHA17297cfe96ad8e5684bbf5c777517f203018f69e4
SHA256f2cb7da64a7f45d844192aa6e22fc55f921a03ccf0f4474b5a9f54234e1e2153
SHA512c0cfff08ccb3f5f5bdb93098d4e0e07f9a5c7d79dbecab8395e58e8ca6fa502cad2900f0f6d15680169a0d89fcd4dc75823b9f6b26608d02b78dcc0d6188d316