Analysis
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max time kernel
140s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
27-09-2024 09:01
Behavioral task
behavioral1
Sample
fb714d59bcb67c0910c8f4ee0c5f0e62.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
fb714d59bcb67c0910c8f4ee0c5f0e62.exe
Resource
win10v2004-20240802-en
General
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Target
fb714d59bcb67c0910c8f4ee0c5f0e62.exe
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Size
48KB
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MD5
fb714d59bcb67c0910c8f4ee0c5f0e62
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SHA1
f22ffe25d693ccf771b5ae60b373f4c74551b317
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SHA256
25ad9ca13dc1ee44d8c3a3d0fba9365d9e9fd65db1411a0f720dd036d11911f3
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SHA512
24dac934a89ab30379331251749947af7817ed4c661a5b247a12177d1c3c04593da274eeea9ebfb7c6f7329916f03eb2c6c0a2d18b99358d8d14b6de48a33393
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SSDEEP
768:zynb12Aw5J6HC4kq5Jp9bjAzhyY55J+NStcEeUlyqgZl4p67GhPC:Ub1MsHz3JDwhyWr+N95OTga69
Malware Config
Signatures
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Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
Processes:
fb714d59bcb67c0910c8f4ee0c5f0e62.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SySe\Parameters\ServiceDll = "C:\\Program Files (x86)\\240634750.dll" fb714d59bcb67c0910c8f4ee0c5f0e62.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
fb714d59bcb67c0910c8f4ee0c5f0e62.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation fb714d59bcb67c0910c8f4ee0c5f0e62.exe -
Executes dropped EXE 1 IoCs
Processes:
SySe.exepid process 5080 SySe.exe -
Loads dropped DLL 3 IoCs
Processes:
fb714d59bcb67c0910c8f4ee0c5f0e62.exesvchost.exeSySe.exepid process 1612 fb714d59bcb67c0910c8f4ee0c5f0e62.exe 3268 svchost.exe 5080 SySe.exe -
Creates a Windows Service
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Drops file in System32 directory 2 IoCs
Processes:
svchost.exedescription ioc process File created C:\Windows\SysWOW64\SySe.exe svchost.exe File opened for modification C:\Windows\SysWOW64\SySe.exe svchost.exe -
Drops file in Program Files directory 1 IoCs
Processes:
fb714d59bcb67c0910c8f4ee0c5f0e62.exedescription ioc process File created C:\Program Files (x86)\240634750.dll fb714d59bcb67c0910c8f4ee0c5f0e62.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
svchost.execmd.exePING.EXESySe.exefb714d59bcb67c0910c8f4ee0c5f0e62.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language SySe.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fb714d59bcb67c0910c8f4ee0c5f0e62.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
Processes:
cmd.exePING.EXEpid process 2524 cmd.exe 1336 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
fb714d59bcb67c0910c8f4ee0c5f0e62.exepid process 1612 fb714d59bcb67c0910c8f4ee0c5f0e62.exe 1612 fb714d59bcb67c0910c8f4ee0c5f0e62.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
fb714d59bcb67c0910c8f4ee0c5f0e62.exedescription pid process Token: SeIncBasePriorityPrivilege 1612 fb714d59bcb67c0910c8f4ee0c5f0e62.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
fb714d59bcb67c0910c8f4ee0c5f0e62.exepid process 1612 fb714d59bcb67c0910c8f4ee0c5f0e62.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
fb714d59bcb67c0910c8f4ee0c5f0e62.execmd.exesvchost.exedescription pid process target process PID 1612 wrote to memory of 2524 1612 fb714d59bcb67c0910c8f4ee0c5f0e62.exe cmd.exe PID 1612 wrote to memory of 2524 1612 fb714d59bcb67c0910c8f4ee0c5f0e62.exe cmd.exe PID 1612 wrote to memory of 2524 1612 fb714d59bcb67c0910c8f4ee0c5f0e62.exe cmd.exe PID 2524 wrote to memory of 1336 2524 cmd.exe PING.EXE PID 2524 wrote to memory of 1336 2524 cmd.exe PING.EXE PID 2524 wrote to memory of 1336 2524 cmd.exe PING.EXE PID 3268 wrote to memory of 5080 3268 svchost.exe SySe.exe PID 3268 wrote to memory of 5080 3268 svchost.exe SySe.exe PID 3268 wrote to memory of 5080 3268 svchost.exe SySe.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\fb714d59bcb67c0910c8f4ee0c5f0e62.exe"C:\Users\Admin\AppData\Local\Temp\fb714d59bcb67c0910c8f4ee0c5f0e62.exe"1⤵
- Server Software Component: Terminal Services DLL
- Checks computer location settings
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1612 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 -n 1 && del /f/q "C:\Users\Admin\AppData\Local\Temp\fb714d59bcb67c0910c8f4ee0c5f0e62.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2524 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 13⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:1336
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "SySe"1⤵PID:496
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "SySe"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3268 -
C:\Windows\SysWOW64\SySe.exeC:\Windows\system32\SySe.exe "c:\program files (x86)\240634750.dll",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:5080
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
25KB
MD5cb0426d467a62c8dc63180e84fe2fdd2
SHA115bf72abb1c002dd3b67200bac22310aafab6d9c
SHA25673b2ac758264a2822ae0c61a414648f37fa1fec0c2ef125c51d7b1ad975220c8
SHA51224199c817521d24441b86957d9860407d47dbd3b6d0ffedf602a9d6d1039ace784ab01e4491785861929d7bc4bf633b90fd06c77b7201e238c4368c1307ab980
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Filesize
60KB
MD5889b99c52a60dd49227c5e485a016679
SHA18fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA2566cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA51208933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641