Analysis
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max time kernel
187s -
max time network
137s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
20/10/2022, 15:17
Static task
static1
Behavioral task
behavioral1
Sample
02458150b3a857e1bb87d335bef2e0e543fadcdc0501bbbe27143fa48472fb44.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
02458150b3a857e1bb87d335bef2e0e543fadcdc0501bbbe27143fa48472fb44.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
02458150b3a857e1bb87d335bef2e0e543fadcdc0501bbbe27143fa48472fb44.exe
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Size
176KB
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MD5
96f77151eb14b0ebef05063645117a58
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SHA1
d96faa2f2cbb2fe82fb6008abe43225c6887e810
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SHA256
02458150b3a857e1bb87d335bef2e0e543fadcdc0501bbbe27143fa48472fb44
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SHA512
24c415e0cb52348252447e5344a16c45d7762ba1a45bbf51a9b04916c4abff7afda28cbdd41bb9c0b7265b2d4d8b621081f92b19a4fa9ad372e9a09760f2e9b1
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SSDEEP
3072:zGCh8C/nROzg7iiwJvXZETcbLn67kLpyRurohZbsn4KhWNUzMzGV5/bBD3ypIulE:yCh7YU7iiwJvXZETcbLn6YLProhZbsnu
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" 02458150b3a857e1bb87d335bef2e0e543fadcdc0501bbbe27143fa48472fb44.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" kajoc.exe -
Executes dropped EXE 1 IoCs
pid Process 1400 kajoc.exe -
Loads dropped DLL 2 IoCs
pid Process 952 02458150b3a857e1bb87d335bef2e0e543fadcdc0501bbbe27143fa48472fb44.exe 952 02458150b3a857e1bb87d335bef2e0e543fadcdc0501bbbe27143fa48472fb44.exe -
Adds Run key to start application 2 TTPs 54 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /H" 02458150b3a857e1bb87d335bef2e0e543fadcdc0501bbbe27143fa48472fb44.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /q" kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /M" kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /c" kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /U" kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /A" kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /e" kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /o" kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /n" kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /K" kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /m" kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /d" kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /h" kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /Q" kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /E" kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /u" kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /N" kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /p" kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /g" kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /s" kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /a" kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /L" kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /l" kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /B" kajoc.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /H" kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /f" kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /T" kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /O" kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /J" kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /z" kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /C" kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /R" kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /x" kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /Z" kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /r" kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /i" kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /v" kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /w" kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /j" kajoc.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 02458150b3a857e1bb87d335bef2e0e543fadcdc0501bbbe27143fa48472fb44.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /k" kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /P" kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /G" kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /F" kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /S" kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /y" kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /t" kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /Y" kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /X" kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /I" kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /D" kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /b" kajoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\kajoc = "C:\\Users\\Admin\\kajoc.exe /W" kajoc.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 952 02458150b3a857e1bb87d335bef2e0e543fadcdc0501bbbe27143fa48472fb44.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe 1400 kajoc.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 952 02458150b3a857e1bb87d335bef2e0e543fadcdc0501bbbe27143fa48472fb44.exe 1400 kajoc.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 952 wrote to memory of 1400 952 02458150b3a857e1bb87d335bef2e0e543fadcdc0501bbbe27143fa48472fb44.exe 27 PID 952 wrote to memory of 1400 952 02458150b3a857e1bb87d335bef2e0e543fadcdc0501bbbe27143fa48472fb44.exe 27 PID 952 wrote to memory of 1400 952 02458150b3a857e1bb87d335bef2e0e543fadcdc0501bbbe27143fa48472fb44.exe 27 PID 952 wrote to memory of 1400 952 02458150b3a857e1bb87d335bef2e0e543fadcdc0501bbbe27143fa48472fb44.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\02458150b3a857e1bb87d335bef2e0e543fadcdc0501bbbe27143fa48472fb44.exe"C:\Users\Admin\AppData\Local\Temp\02458150b3a857e1bb87d335bef2e0e543fadcdc0501bbbe27143fa48472fb44.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:952 -
C:\Users\Admin\kajoc.exe"C:\Users\Admin\kajoc.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:1400
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
176KB
MD5d24601c7e289d6313a8ef9595e32691b
SHA1908332e5bcab72b6246aa4a10a0c6ebd96a505e8
SHA25687c14ab5200bd13853cc53245a2c3ab75be92da60f0b404d80127955aa1cf968
SHA5126ed3b4411ca3af73ebd5c2b1af4c3d18e209428ca6c98ead8770ef1c84e321ff02b39a17add0a14712f054a6d2b2ecf60c5b78bbae73d3f61f3abcd260426d11
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Filesize
176KB
MD5d24601c7e289d6313a8ef9595e32691b
SHA1908332e5bcab72b6246aa4a10a0c6ebd96a505e8
SHA25687c14ab5200bd13853cc53245a2c3ab75be92da60f0b404d80127955aa1cf968
SHA5126ed3b4411ca3af73ebd5c2b1af4c3d18e209428ca6c98ead8770ef1c84e321ff02b39a17add0a14712f054a6d2b2ecf60c5b78bbae73d3f61f3abcd260426d11
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Filesize
176KB
MD5d24601c7e289d6313a8ef9595e32691b
SHA1908332e5bcab72b6246aa4a10a0c6ebd96a505e8
SHA25687c14ab5200bd13853cc53245a2c3ab75be92da60f0b404d80127955aa1cf968
SHA5126ed3b4411ca3af73ebd5c2b1af4c3d18e209428ca6c98ead8770ef1c84e321ff02b39a17add0a14712f054a6d2b2ecf60c5b78bbae73d3f61f3abcd260426d11
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Filesize
176KB
MD5d24601c7e289d6313a8ef9595e32691b
SHA1908332e5bcab72b6246aa4a10a0c6ebd96a505e8
SHA25687c14ab5200bd13853cc53245a2c3ab75be92da60f0b404d80127955aa1cf968
SHA5126ed3b4411ca3af73ebd5c2b1af4c3d18e209428ca6c98ead8770ef1c84e321ff02b39a17add0a14712f054a6d2b2ecf60c5b78bbae73d3f61f3abcd260426d11