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Analysis
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max time kernel
120s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
29/08/2024, 00:00
Behavioral task
behavioral1
Sample
e71c4b372949989e2a99bc7edb25a460N.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
e71c4b372949989e2a99bc7edb25a460N.exe
Resource
win10v2004-20240802-en
General
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Target
e71c4b372949989e2a99bc7edb25a460N.exe
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Size
2.5MB
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MD5
e71c4b372949989e2a99bc7edb25a460
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SHA1
b763bc18cef63a7e1a125b9a961176629fcd62a8
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SHA256
eeea17ba1c4919676b43c9081b87e0e4c0d2e86e29e1ad7eedfc6533439669fd
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SHA512
fbf28d753f322c76da1fb1fd56f644df8eec886311692e252ec7cf20696ab498ce71f26ebf7be8b09f42c66d56886c1e7e14d78f6dd9f6e8bd6d121dd69fd1d3
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SSDEEP
49152:XxmvumkQ9lY9sgUXdTPSxdQ8KX75IyuWuCjcCqWOyxj:Xxx9NUFkQx753uWuCyyxj
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-1-5-21-3502430532-24693940-2469786940-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000\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__ e71c4b372949989e2a99bc7edb25a460N.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\SystemBiosVersion e71c4b372949989e2a99bc7edb25a460N.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 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 Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion spoolsv.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion e71c4b372949989e2a99bc7edb25a460N.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion spoolsv.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion svchost.exe -
Executes dropped EXE 4 IoCs
pid Process 2776 explorer.exe 2356 spoolsv.exe 2732 svchost.exe 2716 spoolsv.exe -
Loads dropped DLL 4 IoCs
pid Process 2636 e71c4b372949989e2a99bc7edb25a460N.exe 2776 explorer.exe 2356 spoolsv.exe 2732 svchost.exe -
resource yara_rule behavioral1/memory/2636-0-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/files/0x0009000000015d11-10.dat themida behavioral1/memory/2776-12-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/files/0x0009000000015d52-17.dat themida behavioral1/memory/2776-21-0x00000000035C0000-0x0000000003BCE000-memory.dmp themida behavioral1/memory/2356-24-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/files/0x0008000000015d82-31.dat themida behavioral1/memory/2732-36-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2636-42-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2716-45-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2716-50-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2356-52-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2636-54-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2776-55-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2732-56-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2776-57-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2776-65-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2732-68-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2776-69-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2732-78-0x0000000000400000-0x0000000000A0E000-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" explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO" explorer.exe 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 -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA e71c4b372949989e2a99bc7edb25a460N.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 2636 e71c4b372949989e2a99bc7edb25a460N.exe 2776 explorer.exe 2356 spoolsv.exe 2732 svchost.exe 2716 spoolsv.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification \??\c:\windows\resources\themes\explorer.exe e71c4b372949989e2a99bc7edb25a460N.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 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language spoolsv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe 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 e71c4b372949989e2a99bc7edb25a460N.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 2996 schtasks.exe 2028 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2636 e71c4b372949989e2a99bc7edb25a460N.exe 2636 e71c4b372949989e2a99bc7edb25a460N.exe 2636 e71c4b372949989e2a99bc7edb25a460N.exe 2636 e71c4b372949989e2a99bc7edb25a460N.exe 2636 e71c4b372949989e2a99bc7edb25a460N.exe 2636 e71c4b372949989e2a99bc7edb25a460N.exe 2636 e71c4b372949989e2a99bc7edb25a460N.exe 2636 e71c4b372949989e2a99bc7edb25a460N.exe 2636 e71c4b372949989e2a99bc7edb25a460N.exe 2636 e71c4b372949989e2a99bc7edb25a460N.exe 2636 e71c4b372949989e2a99bc7edb25a460N.exe 2636 e71c4b372949989e2a99bc7edb25a460N.exe 2636 e71c4b372949989e2a99bc7edb25a460N.exe 2636 e71c4b372949989e2a99bc7edb25a460N.exe 2636 e71c4b372949989e2a99bc7edb25a460N.exe 2636 e71c4b372949989e2a99bc7edb25a460N.exe 2636 e71c4b372949989e2a99bc7edb25a460N.exe 2776 explorer.exe 2776 explorer.exe 2776 explorer.exe 2776 explorer.exe 2776 explorer.exe 2776 explorer.exe 2776 explorer.exe 2776 explorer.exe 2776 explorer.exe 2776 explorer.exe 2776 explorer.exe 2776 explorer.exe 2776 explorer.exe 2776 explorer.exe 2776 explorer.exe 2776 explorer.exe 2732 svchost.exe 2732 svchost.exe 2732 svchost.exe 2732 svchost.exe 2732 svchost.exe 2732 svchost.exe 2732 svchost.exe 2732 svchost.exe 2732 svchost.exe 2732 svchost.exe 2732 svchost.exe 2732 svchost.exe 2732 svchost.exe 2732 svchost.exe 2732 svchost.exe 2732 svchost.exe 2776 explorer.exe 2776 explorer.exe 2776 explorer.exe 2776 explorer.exe 2732 svchost.exe 2732 svchost.exe 2732 svchost.exe 2776 explorer.exe 2776 explorer.exe 2732 svchost.exe 2776 explorer.exe 2732 svchost.exe 2776 explorer.exe 2732 svchost.exe 2732 svchost.exe -
Suspicious behavior: GetForegroundWindowSpam 2 IoCs
pid Process 2776 explorer.exe 2732 svchost.exe -
Suspicious use of SetWindowsHookEx 10 IoCs
pid Process 2636 e71c4b372949989e2a99bc7edb25a460N.exe 2636 e71c4b372949989e2a99bc7edb25a460N.exe 2776 explorer.exe 2776 explorer.exe 2356 spoolsv.exe 2356 spoolsv.exe 2732 svchost.exe 2732 svchost.exe 2716 spoolsv.exe 2716 spoolsv.exe -
Suspicious use of WriteProcessMemory 28 IoCs
description pid Process procid_target PID 2636 wrote to memory of 2776 2636 e71c4b372949989e2a99bc7edb25a460N.exe 30 PID 2636 wrote to memory of 2776 2636 e71c4b372949989e2a99bc7edb25a460N.exe 30 PID 2636 wrote to memory of 2776 2636 e71c4b372949989e2a99bc7edb25a460N.exe 30 PID 2636 wrote to memory of 2776 2636 e71c4b372949989e2a99bc7edb25a460N.exe 30 PID 2776 wrote to memory of 2356 2776 explorer.exe 31 PID 2776 wrote to memory of 2356 2776 explorer.exe 31 PID 2776 wrote to memory of 2356 2776 explorer.exe 31 PID 2776 wrote to memory of 2356 2776 explorer.exe 31 PID 2356 wrote to memory of 2732 2356 spoolsv.exe 32 PID 2356 wrote to memory of 2732 2356 spoolsv.exe 32 PID 2356 wrote to memory of 2732 2356 spoolsv.exe 32 PID 2356 wrote to memory of 2732 2356 spoolsv.exe 32 PID 2732 wrote to memory of 2716 2732 svchost.exe 33 PID 2732 wrote to memory of 2716 2732 svchost.exe 33 PID 2732 wrote to memory of 2716 2732 svchost.exe 33 PID 2732 wrote to memory of 2716 2732 svchost.exe 33 PID 2776 wrote to memory of 2620 2776 explorer.exe 34 PID 2776 wrote to memory of 2620 2776 explorer.exe 34 PID 2776 wrote to memory of 2620 2776 explorer.exe 34 PID 2776 wrote to memory of 2620 2776 explorer.exe 34 PID 2732 wrote to memory of 2996 2732 svchost.exe 35 PID 2732 wrote to memory of 2996 2732 svchost.exe 35 PID 2732 wrote to memory of 2996 2732 svchost.exe 35 PID 2732 wrote to memory of 2996 2732 svchost.exe 35 PID 2732 wrote to memory of 2028 2732 svchost.exe 38 PID 2732 wrote to memory of 2028 2732 svchost.exe 38 PID 2732 wrote to memory of 2028 2732 svchost.exe 38 PID 2732 wrote to memory of 2028 2732 svchost.exe 38
Processes
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C:\Users\Admin\AppData\Local\Temp\e71c4b372949989e2a99bc7edb25a460N.exe"C:\Users\Admin\AppData\Local\Temp\e71c4b372949989e2a99bc7edb25a460N.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:2636 -
\??\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:2776 -
\??\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:2356 -
\??\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:2732 -
\??\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:2716
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 00:02 /f5⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2996
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 00:03 /f5⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2028
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C:\Windows\Explorer.exeC:\Windows\Explorer.exe3⤵PID:2620
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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
MD5385dfad1f5f3f0ae0c30bd7172a5d349
SHA1e100fd11e98e33e478cc3e76e079cf9df8ffc94e
SHA256a14ac0b08006d6f6ebfac462538ba61ba66c60369b56fc0a5466a94484762fa3
SHA51207ba290752f773cdf5cac20137f0cd62ff5fb7bea24dffd15027113722065328c4f1258dc9d3bee29ac270591d6b02077c7160c1d7f8f98883b9e7660afbf681
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Filesize
2.5MB
MD570547004c62bbd51d696549c935127eb
SHA1454e0f149d8ebe42f738523bd2c8f40c9421908b
SHA2562f46e605554989f255f244defe6fec94424dfbcfe409dfff9cc32029b79a284f
SHA51248c765f77307e01148ac5f54c6ce13cb712ac5f7c1eb6ac51f07a57ca09c26cee19a49fd7645ddb4c79bd5deed25dba94b008f9584d1866d19c93d063c389316
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Filesize
2.5MB
MD5c490ce07241d490723a72c8614895baf
SHA1f9206f1745351f56016adedc2c599d03ff9ce537
SHA2568414d4ed34bf35464d1bac8195c10be28b98a6a2293c36eec775483f7eb02f1f
SHA51288b36961cc8d4bd8fbd417bcd6bd5dc5d39c1d429101a65dec98854a6ffcdf198f3305b0bee40acd8c93256dec93083b71391f544f3afba19829e33651686aa5