Analysis
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max time kernel
147s -
max time network
110s -
platform
windows7_x64 -
resource
win7v200430 -
submitted
19-07-2020 16:47
Static task
static1
Behavioral task
behavioral1
Sample
chthonic_2.4.16.0.vir.exe
Resource
win7v200430
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
chthonic_2.4.16.0.vir.exe
Resource
win10
windows10_x64
0 signatures
0 seconds
General
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Target
chthonic_2.4.16.0.vir.exe
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Size
173KB
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MD5
4162cd6ddf3eb2678b7a35b5f8b2597e
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SHA1
57bffa67e38a02a6b06575a9f1bf467bcdbca3fe
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SHA256
ac8006c65da9bfedca11b142c2b4cd176c1559e55aef528155136f513abc4494
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SHA512
1b74b8bd6f46bed59b7db3557a202d37cc28818ff297c1e18f493c61abcb236c27769f9196fbe6ff18b324692c1ba3e00b1a8dce63127e8413409326797b5618
Score
10/10
Malware Config
Signatures
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Suspicious use of WriteProcessMemory 8 IoCs
Processes:
chthonic_2.4.16.0.vir.exedescription pid process target process PID 1500 wrote to memory of 1788 1500 chthonic_2.4.16.0.vir.exe msiexec.exe PID 1500 wrote to memory of 1788 1500 chthonic_2.4.16.0.vir.exe msiexec.exe PID 1500 wrote to memory of 1788 1500 chthonic_2.4.16.0.vir.exe msiexec.exe PID 1500 wrote to memory of 1788 1500 chthonic_2.4.16.0.vir.exe msiexec.exe PID 1500 wrote to memory of 1788 1500 chthonic_2.4.16.0.vir.exe msiexec.exe PID 1500 wrote to memory of 1788 1500 chthonic_2.4.16.0.vir.exe msiexec.exe PID 1500 wrote to memory of 1788 1500 chthonic_2.4.16.0.vir.exe msiexec.exe PID 1500 wrote to memory of 1788 1500 chthonic_2.4.16.0.vir.exe msiexec.exe -
Suspicious behavior: EnumeratesProcesses 13 IoCs
Processes:
msiexec.exepid process 1788 msiexec.exe 1788 msiexec.exe 1788 msiexec.exe 1788 msiexec.exe 1788 msiexec.exe 1788 msiexec.exe 1788 msiexec.exe 1788 msiexec.exe 1788 msiexec.exe 1788 msiexec.exe 1788 msiexec.exe 1788 msiexec.exe 1788 msiexec.exe -
Adds policy Run key to start application 2 TTPs 2 IoCs
Processes:
msiexec.exedescription ioc process Key created \REGISTRY\MACHINE\software\microsoft\windows\currentversion\Policies\Explorer\Run msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\GoogleWin = "C:\\ProgramData\\Google\\GoogleWin.exe" msiexec.exe -
Disables taskbar notifications via registry modification
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Processes:
msiexec.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000\Software\Microsoft\Internet Explorer\PhishingFilter msiexec.exe Set value (int) \REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000\Software\Microsoft\Internet Explorer\PhishingFilter\EnabledV8 = "0" msiexec.exe Set value (int) \REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000\Software\Microsoft\Internet Explorer\PhishingFilter\EnabledV9 = "0" msiexec.exe Key created \REGISTRY\MACHINE\Software\Microsoft\Internet Explorer\PhishingFilter msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Internet Explorer\PhishingFilter\EnabledV8 = "0" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Internet Explorer\PhishingFilter\EnabledV9 = "0" msiexec.exe -
System policy modification 1 TTPs 5 IoCs
Processes:
msiexec.exedescription ioc process Key created \REGISTRY\MACHINE\software\microsoft\windows\currentversion\policies\Explorer msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\TaskbarNoNotification = "1" msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\HideSCAHealth = "1" msiexec.exe Key created \REGISTRY\MACHINE\software\microsoft\windows\currentversion\policies\system msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" msiexec.exe -
Processes:
msiexec.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA msiexec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" msiexec.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\chthonic_2.4.16.0.vir.exe"C:\Users\Admin\AppData\Local\Temp\chthonic_2.4.16.0.vir.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\msiexec.exemsiexec.exe2⤵
- Suspicious behavior: EnumeratesProcesses
- Adds policy Run key to start application
- Modifies Internet Explorer settings
- System policy modification
- Checks whether UAC is enabled
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/1788-0-0x0000000000000000-mapping.dmp