Analysis
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max time kernel
73s -
max time network
36s -
platform
windows7_x64 -
resource
win7v200430 -
submitted
19-07-2020 19:48
Static task
static1
Behavioral task
behavioral1
Sample
chthonic_2.23.21.2.vir.exe
Resource
win7v200430
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
chthonic_2.23.21.2.vir.exe
Resource
win10
windows10_x64
0 signatures
0 seconds
Errors
Reason
Machine shutdown
General
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Target
chthonic_2.23.21.2.vir.exe
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Size
987KB
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MD5
d8adacb5999a4f749cbd433067ba4afa
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SHA1
dcc5632ebdf87c68c5eb52f193651385022a5bdf
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SHA256
ec47184e810be9dda3a85a4ccd42abfffe818b49bd2262774991fec10604dcff
-
SHA512
e9dd5b39726369b67fcd6ee8ff44ee3ef2dee2ce63e2ee54d098a1c55f5c4688483526ab4f0ce384e6f0d75bacecb38c4b0d86ea7c58a39374f2403aae3e2255
Score
7/10
Malware Config
Signatures
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Suspicious use of AdjustPrivilegeToken 973 IoCs
Processes:
chthonic_2.23.21.2.vir.exedescription pid process Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeBackupPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeRestorePrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe Token: SeShutdownPrivilege 272 chthonic_2.23.21.2.vir.exe -
Drops file in Windows directory 1 IoCs
Processes:
chthonic_2.23.21.2.vir.exedescription ioc process File opened for modification C:\Windows\ chthonic_2.23.21.2.vir.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
chthonic_2.23.21.2.vir.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000\software\microsoft\windows\currentversion\RunOnce chthonic_2.23.21.2.vir.exe Set value (str) \REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\GWindowsSidebar = "C:\\Users\\Admin\\AppData\\Roaming\\GWindowsSidebar\\GWindowsSidebar.exe" chthonic_2.23.21.2.vir.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
chthonic_2.23.21.2.vir.exepid process 272 chthonic_2.23.21.2.vir.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
chthonic_2.23.21.2.vir.exepid process 272 chthonic_2.23.21.2.vir.exe -
Suspicious use of SendNotifyMessage 1 IoCs
Processes:
chthonic_2.23.21.2.vir.exepid process 272 chthonic_2.23.21.2.vir.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
chthonic_2.23.21.2.vir.exepid process 272 chthonic_2.23.21.2.vir.exe -
Loads dropped DLL 6 IoCs
Processes:
chthonic_2.23.21.2.vir.exepid process 272 chthonic_2.23.21.2.vir.exe 272 chthonic_2.23.21.2.vir.exe 272 chthonic_2.23.21.2.vir.exe 272 chthonic_2.23.21.2.vir.exe 272 chthonic_2.23.21.2.vir.exe 272 chthonic_2.23.21.2.vir.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\chthonic_2.23.21.2.vir.exe"C:\Users\Admin\AppData\Local\Temp\chthonic_2.23.21.2.vir.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Drops file in Windows directory
- Adds Run key to start application
- Suspicious use of SetWindowsHookEx
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious behavior: GetForegroundWindowSpam
- Loads dropped DLL
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x01⤵
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x11⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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\Users\Admin\AppData\Local\Temp\376C475135.ocx
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\Users\Admin\AppData\Local\Temp\39744E5736.ocx
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\Users\Admin\AppData\Local\Temp\4337557873.ocx
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\Users\Admin\AppData\Local\Temp\4A346B3177.ocx
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\Users\Admin\AppData\Local\Temp\655939456D.ocx
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\Users\Admin\AppData\Local\Temp\714F4C3252.ocx