Analysis
-
max time kernel
143s -
max time network
120s -
platform
windows7_x64 -
resource
win7 -
submitted
19-07-2020 19:32
Static task
static1
Behavioral task
behavioral1
Sample
chthonic_2.23.0.0.vir.exe
Resource
win7
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
chthonic_2.23.0.0.vir.exe
Resource
win10v200430
windows10_x64
0 signatures
0 seconds
General
-
Target
chthonic_2.23.0.0.vir.exe
-
Size
134KB
-
MD5
74c2e99266737e7321f9572f93263a17
-
SHA1
4bcde2c2213a52394714316281ed8631af1c8cbc
-
SHA256
1cd004a6d75bc1ebf7d92ddd6af583caad44dd750906e4797460e7e615e777a7
-
SHA512
2336129b6c722e1f781930b4b1adabe44f1c58269f3ecaa27b0536d166f8488ed5223d2d8fe30eecbe8903a13a7870ade2dc61e521474d06ebfb5770e0836d23
Score
10/10
Malware Config
Signatures
-
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
chthonic_2.23.0.0.vir.exepid process 1460 chthonic_2.23.0.0.vir.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
chthonic_2.23.0.0.vir.exedescription pid process target process PID 1460 set thread context of 1516 1460 chthonic_2.23.0.0.vir.exe chthonic_2.23.0.0.vir.exe -
Deletes itself 1 IoCs
Processes:
msiexec.exepid process 1000 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\ACommonFiles = "C:\\ProgramData\\Common Files\\ACommonFiles.exe" msiexec.exe -
Disables taskbar notifications via registry modification
-
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
chthonic_2.23.0.0.vir.exechthonic_2.23.0.0.vir.exedescription pid process target process PID 1460 wrote to memory of 1516 1460 chthonic_2.23.0.0.vir.exe chthonic_2.23.0.0.vir.exe PID 1460 wrote to memory of 1516 1460 chthonic_2.23.0.0.vir.exe chthonic_2.23.0.0.vir.exe PID 1460 wrote to memory of 1516 1460 chthonic_2.23.0.0.vir.exe chthonic_2.23.0.0.vir.exe PID 1460 wrote to memory of 1516 1460 chthonic_2.23.0.0.vir.exe chthonic_2.23.0.0.vir.exe PID 1460 wrote to memory of 1516 1460 chthonic_2.23.0.0.vir.exe chthonic_2.23.0.0.vir.exe PID 1460 wrote to memory of 1516 1460 chthonic_2.23.0.0.vir.exe chthonic_2.23.0.0.vir.exe PID 1460 wrote to memory of 1516 1460 chthonic_2.23.0.0.vir.exe chthonic_2.23.0.0.vir.exe PID 1460 wrote to memory of 1516 1460 chthonic_2.23.0.0.vir.exe chthonic_2.23.0.0.vir.exe PID 1516 wrote to memory of 1000 1516 chthonic_2.23.0.0.vir.exe msiexec.exe PID 1516 wrote to memory of 1000 1516 chthonic_2.23.0.0.vir.exe msiexec.exe PID 1516 wrote to memory of 1000 1516 chthonic_2.23.0.0.vir.exe msiexec.exe PID 1516 wrote to memory of 1000 1516 chthonic_2.23.0.0.vir.exe msiexec.exe PID 1516 wrote to memory of 1000 1516 chthonic_2.23.0.0.vir.exe msiexec.exe PID 1516 wrote to memory of 1000 1516 chthonic_2.23.0.0.vir.exe msiexec.exe PID 1516 wrote to memory of 1000 1516 chthonic_2.23.0.0.vir.exe msiexec.exe PID 1516 wrote to memory of 1000 1516 chthonic_2.23.0.0.vir.exe msiexec.exe -
Suspicious behavior: EnumeratesProcesses 13 IoCs
Processes:
msiexec.exepid process 1000 msiexec.exe 1000 msiexec.exe 1000 msiexec.exe 1000 msiexec.exe 1000 msiexec.exe 1000 msiexec.exe 1000 msiexec.exe 1000 msiexec.exe 1000 msiexec.exe 1000 msiexec.exe 1000 msiexec.exe 1000 msiexec.exe 1000 msiexec.exe -
Processes:
msiexec.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Internet Explorer\PhishingFilter msiexec.exe Set value (int) \REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Internet Explorer\PhishingFilter\EnabledV8 = "0" msiexec.exe Set value (int) \REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\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 Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" msiexec.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA msiexec.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\chthonic_2.23.0.0.vir.exe"C:\Users\Admin\AppData\Local\Temp\chthonic_2.23.0.0.vir.exe"1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\chthonic_2.23.0.0.vir.exe"C:\Users\Admin\AppData\Local\Temp\chthonic_2.23.0.0.vir.exe"2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\msiexec.exemsiexec.exe3⤵
- Deletes itself
- Adds policy Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Modifies Internet Explorer settings
- System policy modification
- Checks whether UAC is enabled