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Analysis
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max time kernel
120s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
03/09/2024, 20:05
Behavioral task
behavioral1
Sample
24e16a2c305931b49153dc5d418c2bc0N.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
24e16a2c305931b49153dc5d418c2bc0N.exe
Resource
win10v2004-20240802-en
General
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Target
24e16a2c305931b49153dc5d418c2bc0N.exe
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Size
2.5MB
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MD5
24e16a2c305931b49153dc5d418c2bc0
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SHA1
25680ed74739a088902d502789175b9516b968aa
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SHA256
a5e81fe157143ee1e807d13bd4cce2c7c7f9b2b9a340ce3fc7bf0ced66acf4a8
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SHA512
6aa5094619a804ef3bf22868ce67e37fccb245af0f07e7adf9366489f156282edcad09ea11cb70cc17b479fd0f67464f9a808a7a902c7d8e24613cdb4939d60f
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SSDEEP
49152:PxmvumkQ9lY9sgUXdTPSxdQ8KX75IyuWuCjcCqWOyxZ:Pxx9NUFkQx753uWuCyyxZ
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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" explorer.exe -
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 5 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 24e16a2c305931b49153dc5d418c2bc0N.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorer.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ spoolsv.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ svchost.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ spoolsv.exe -
Checks BIOS information in registry 2 TTPs 10 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion spoolsv.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion spoolsv.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 24e16a2c305931b49153dc5d418c2bc0N.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 24e16a2c305931b49153dc5d418c2bc0N.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion spoolsv.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion spoolsv.exe -
Executes dropped EXE 4 IoCs
pid Process 2608 explorer.exe 2808 spoolsv.exe 2944 svchost.exe 2692 spoolsv.exe -
Loads dropped DLL 4 IoCs
pid Process 2116 24e16a2c305931b49153dc5d418c2bc0N.exe 2608 explorer.exe 2808 spoolsv.exe 2944 svchost.exe -
resource yara_rule behavioral1/memory/2116-0-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/files/0x000800000001956c-7.dat themida behavioral1/memory/2608-11-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/files/0x00070000000195d6-18.dat themida behavioral1/memory/2808-23-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/files/0x0007000000019604-30.dat themida behavioral1/memory/2944-35-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2116-42-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2692-43-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2808-51-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2692-49-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2116-52-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2608-53-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2944-54-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2608-55-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2944-66-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2608-67-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2944-76-0x0000000000400000-0x0000000000A0E000-memory.dmp themida -
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO" svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO" svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO" explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO" explorer.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 24e16a2c305931b49153dc5d418c2bc0N.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA explorer.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA spoolsv.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA svchost.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA spoolsv.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\explorer.exe explorer.exe File opened for modification C:\Windows\SysWOW64\explorer.exe svchost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
pid Process 2116 24e16a2c305931b49153dc5d418c2bc0N.exe 2608 explorer.exe 2808 spoolsv.exe 2944 svchost.exe 2692 spoolsv.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification \??\c:\windows\resources\themes\explorer.exe 24e16a2c305931b49153dc5d418c2bc0N.exe File opened for modification \??\c:\windows\resources\spoolsv.exe explorer.exe File opened for modification \??\c:\windows\resources\svchost.exe spoolsv.exe File opened for modification C:\Windows\Resources\tjud.exe explorer.exe -
System Location Discovery: System Language Discovery 1 TTPs 7 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language spoolsv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 24e16a2c305931b49153dc5d418c2bc0N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language spoolsv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2668 schtasks.exe 1288 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2116 24e16a2c305931b49153dc5d418c2bc0N.exe 2116 24e16a2c305931b49153dc5d418c2bc0N.exe 2116 24e16a2c305931b49153dc5d418c2bc0N.exe 2116 24e16a2c305931b49153dc5d418c2bc0N.exe 2116 24e16a2c305931b49153dc5d418c2bc0N.exe 2116 24e16a2c305931b49153dc5d418c2bc0N.exe 2116 24e16a2c305931b49153dc5d418c2bc0N.exe 2116 24e16a2c305931b49153dc5d418c2bc0N.exe 2116 24e16a2c305931b49153dc5d418c2bc0N.exe 2116 24e16a2c305931b49153dc5d418c2bc0N.exe 2116 24e16a2c305931b49153dc5d418c2bc0N.exe 2116 24e16a2c305931b49153dc5d418c2bc0N.exe 2116 24e16a2c305931b49153dc5d418c2bc0N.exe 2116 24e16a2c305931b49153dc5d418c2bc0N.exe 2116 24e16a2c305931b49153dc5d418c2bc0N.exe 2116 24e16a2c305931b49153dc5d418c2bc0N.exe 2116 24e16a2c305931b49153dc5d418c2bc0N.exe 2608 explorer.exe 2608 explorer.exe 2608 explorer.exe 2608 explorer.exe 2608 explorer.exe 2608 explorer.exe 2608 explorer.exe 2608 explorer.exe 2608 explorer.exe 2608 explorer.exe 2608 explorer.exe 2608 explorer.exe 2608 explorer.exe 2608 explorer.exe 2608 explorer.exe 2608 explorer.exe 2944 svchost.exe 2944 svchost.exe 2944 svchost.exe 2944 svchost.exe 2944 svchost.exe 2944 svchost.exe 2944 svchost.exe 2944 svchost.exe 2944 svchost.exe 2944 svchost.exe 2944 svchost.exe 2944 svchost.exe 2944 svchost.exe 2944 svchost.exe 2944 svchost.exe 2944 svchost.exe 2608 explorer.exe 2944 svchost.exe 2944 svchost.exe 2608 explorer.exe 2608 explorer.exe 2608 explorer.exe 2944 svchost.exe 2944 svchost.exe 2608 explorer.exe 2608 explorer.exe 2944 svchost.exe 2944 svchost.exe 2608 explorer.exe 2608 explorer.exe 2944 svchost.exe -
Suspicious behavior: GetForegroundWindowSpam 2 IoCs
pid Process 2944 svchost.exe 2608 explorer.exe -
Suspicious use of SetWindowsHookEx 10 IoCs
pid Process 2116 24e16a2c305931b49153dc5d418c2bc0N.exe 2116 24e16a2c305931b49153dc5d418c2bc0N.exe 2608 explorer.exe 2608 explorer.exe 2808 spoolsv.exe 2808 spoolsv.exe 2944 svchost.exe 2944 svchost.exe 2692 spoolsv.exe 2692 spoolsv.exe -
Suspicious use of WriteProcessMemory 28 IoCs
description pid Process procid_target PID 2116 wrote to memory of 2608 2116 24e16a2c305931b49153dc5d418c2bc0N.exe 29 PID 2116 wrote to memory of 2608 2116 24e16a2c305931b49153dc5d418c2bc0N.exe 29 PID 2116 wrote to memory of 2608 2116 24e16a2c305931b49153dc5d418c2bc0N.exe 29 PID 2116 wrote to memory of 2608 2116 24e16a2c305931b49153dc5d418c2bc0N.exe 29 PID 2608 wrote to memory of 2808 2608 explorer.exe 30 PID 2608 wrote to memory of 2808 2608 explorer.exe 30 PID 2608 wrote to memory of 2808 2608 explorer.exe 30 PID 2608 wrote to memory of 2808 2608 explorer.exe 30 PID 2808 wrote to memory of 2944 2808 spoolsv.exe 31 PID 2808 wrote to memory of 2944 2808 spoolsv.exe 31 PID 2808 wrote to memory of 2944 2808 spoolsv.exe 31 PID 2808 wrote to memory of 2944 2808 spoolsv.exe 31 PID 2944 wrote to memory of 2692 2944 svchost.exe 32 PID 2944 wrote to memory of 2692 2944 svchost.exe 32 PID 2944 wrote to memory of 2692 2944 svchost.exe 32 PID 2944 wrote to memory of 2692 2944 svchost.exe 32 PID 2608 wrote to memory of 2704 2608 explorer.exe 33 PID 2608 wrote to memory of 2704 2608 explorer.exe 33 PID 2608 wrote to memory of 2704 2608 explorer.exe 33 PID 2608 wrote to memory of 2704 2608 explorer.exe 33 PID 2944 wrote to memory of 2668 2944 svchost.exe 34 PID 2944 wrote to memory of 2668 2944 svchost.exe 34 PID 2944 wrote to memory of 2668 2944 svchost.exe 34 PID 2944 wrote to memory of 2668 2944 svchost.exe 34 PID 2944 wrote to memory of 1288 2944 svchost.exe 37 PID 2944 wrote to memory of 1288 2944 svchost.exe 37 PID 2944 wrote to memory of 1288 2944 svchost.exe 37 PID 2944 wrote to memory of 1288 2944 svchost.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\24e16a2c305931b49153dc5d418c2bc0N.exe"C:\Users\Admin\AppData\Local\Temp\24e16a2c305931b49153dc5d418c2bc0N.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2116 -
\??\c:\windows\resources\themes\explorer.exec:\windows\resources\themes\explorer.exe2⤵
- Modifies visiblity of hidden/system files in Explorer
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2608 -
\??\c:\windows\resources\spoolsv.exec:\windows\resources\spoolsv.exe SE3⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2808 -
\??\c:\windows\resources\svchost.exec:\windows\resources\svchost.exe4⤵
- Modifies visiblity of hidden/system files in Explorer
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2944 -
\??\c:\windows\resources\spoolsv.exec:\windows\resources\spoolsv.exe PR5⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2692
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 20:07 /f5⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2668
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 20:08 /f5⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1288
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C:\Windows\Explorer.exeC:\Windows\Explorer.exe3⤵PID:2704
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
2Virtualization/Sandbox Evasion
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.5MB
MD5c41ccbc4085904429eddf3520faaf562
SHA10c44ac78777b6e25a3ccdcadddcd4e8fe3546406
SHA2569d21c6f7e162503b899b7be882e4642c487b34a5e13d88dcb66d16369523cc65
SHA512880959b6c1a8950b2c73dfa81e6be203635c85c08197358dbcf34b4efcc95896842ba10e197e46110468682d4668beb9802ce185f6f5b080fd1240e4c7aa7f31
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Filesize
2.5MB
MD5a576d41f7a393b5af8ffbd07124e7509
SHA1a073bac837e1c58bf5d840c64f3a8faaf93ed79a
SHA256f70fc477c630d6d195f8d374e1b509e94f662eed96d6623c85ce8ab542e8ef36
SHA512e2d444031f05908367b12bb72e6a6a66ae31ca35e9d54807b4b55eff59d05d1b87724735bbeb8103e7704b345bc80a0d396a2abe09675ae36cd3bd3fc78d540c
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Filesize
2.5MB
MD5397f59f3ba4e01c4f962f7b6e445d25f
SHA1d9c62f9bdaf2564e7ad34aa5672462e785dbc10e
SHA25601b346f22a05e8435a3e5fe459bc754f1b6c17af10a0fe915c86793ec2417711
SHA512848fc74f5be9ee66ec0c55f8d758a746ce82e6bef407eb49432a41931873b8438fa3c026c75c63183418216f1fe9de10c3b638c1e6ec27e1e8df3d964ef7ce50