Analysis
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max time kernel
150s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
21-11-2024 00:17
Behavioral task
behavioral1
Sample
75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe
Resource
win10v2004-20241007-en
General
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Target
75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe
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Size
2.5MB
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MD5
1032aa0f426642fc4b4d4dd97c2524b1
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SHA1
c436fe6edf2190ad194851c53a2092a60483a184
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SHA256
75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325
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SHA512
409f94180cc5bc161a47676b78d18ea51be4babb568efbcac445cb1a885fb2b8d02d326e713da14c6875e88057f40166de7470f0bc59a150ef02a1ea96d75362
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SSDEEP
49152:XxmvumkQ9lY9sgUXdTPSxdQ8KX75IyuWuCjcCqWOyxL:Xxx9NUFkQx753uWuCyyxL
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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\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__ 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.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 spoolsv.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion spoolsv.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion spoolsv.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion svchost.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\VideoBiosVersion spoolsv.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion svchost.exe -
Executes dropped EXE 4 IoCs
pid Process 2804 explorer.exe 2800 spoolsv.exe 2652 svchost.exe 2544 spoolsv.exe -
Loads dropped DLL 4 IoCs
pid Process 2256 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 2804 explorer.exe 2800 spoolsv.exe 2652 svchost.exe -
resource yara_rule behavioral1/memory/2256-0-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/files/0x0009000000016ac1-10.dat themida behavioral1/memory/2804-12-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/files/0x0009000000016c95-19.dat themida behavioral1/memory/2800-24-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2804-23-0x00000000036B0000-0x0000000003CBE000-memory.dmp themida behavioral1/files/0x0008000000016d36-31.dat themida behavioral1/memory/2652-36-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2544-45-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2256-47-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2544-50-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2800-52-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2256-54-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2804-55-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2652-56-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2804-57-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2804-65-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2804-67-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2652-68-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2804-69-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2652-78-0x0000000000400000-0x0000000000A0E000-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" 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 spoolsv.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.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 -
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 2256 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 2804 explorer.exe 2800 spoolsv.exe 2652 svchost.exe 2544 spoolsv.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification \??\c:\windows\resources\themes\explorer.exe 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.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 8 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 schtasks.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 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language spoolsv.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1160 schtasks.exe 1236 schtasks.exe 1692 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2256 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 2256 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 2256 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 2256 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 2256 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 2256 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 2256 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 2256 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 2256 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 2256 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 2256 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 2256 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 2256 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 2256 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 2256 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 2256 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 2256 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 2804 explorer.exe 2804 explorer.exe 2804 explorer.exe 2804 explorer.exe 2804 explorer.exe 2804 explorer.exe 2804 explorer.exe 2804 explorer.exe 2804 explorer.exe 2804 explorer.exe 2804 explorer.exe 2804 explorer.exe 2804 explorer.exe 2804 explorer.exe 2804 explorer.exe 2804 explorer.exe 2652 svchost.exe 2652 svchost.exe 2652 svchost.exe 2652 svchost.exe 2652 svchost.exe 2652 svchost.exe 2652 svchost.exe 2652 svchost.exe 2652 svchost.exe 2652 svchost.exe 2652 svchost.exe 2652 svchost.exe 2652 svchost.exe 2652 svchost.exe 2652 svchost.exe 2652 svchost.exe 2804 explorer.exe 2652 svchost.exe 2652 svchost.exe 2804 explorer.exe 2804 explorer.exe 2652 svchost.exe 2804 explorer.exe 2804 explorer.exe 2652 svchost.exe 2652 svchost.exe 2804 explorer.exe 2804 explorer.exe 2652 svchost.exe 2652 svchost.exe 2804 explorer.exe -
Suspicious behavior: GetForegroundWindowSpam 2 IoCs
pid Process 2652 svchost.exe 2804 explorer.exe -
Suspicious use of SetWindowsHookEx 10 IoCs
pid Process 2256 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 2256 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 2804 explorer.exe 2804 explorer.exe 2800 spoolsv.exe 2800 spoolsv.exe 2652 svchost.exe 2652 svchost.exe 2544 spoolsv.exe 2544 spoolsv.exe -
Suspicious use of WriteProcessMemory 32 IoCs
description pid Process procid_target PID 2256 wrote to memory of 2804 2256 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 30 PID 2256 wrote to memory of 2804 2256 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 30 PID 2256 wrote to memory of 2804 2256 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 30 PID 2256 wrote to memory of 2804 2256 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 30 PID 2804 wrote to memory of 2800 2804 explorer.exe 31 PID 2804 wrote to memory of 2800 2804 explorer.exe 31 PID 2804 wrote to memory of 2800 2804 explorer.exe 31 PID 2804 wrote to memory of 2800 2804 explorer.exe 31 PID 2800 wrote to memory of 2652 2800 spoolsv.exe 32 PID 2800 wrote to memory of 2652 2800 spoolsv.exe 32 PID 2800 wrote to memory of 2652 2800 spoolsv.exe 32 PID 2800 wrote to memory of 2652 2800 spoolsv.exe 32 PID 2652 wrote to memory of 2544 2652 svchost.exe 33 PID 2652 wrote to memory of 2544 2652 svchost.exe 33 PID 2652 wrote to memory of 2544 2652 svchost.exe 33 PID 2652 wrote to memory of 2544 2652 svchost.exe 33 PID 2804 wrote to memory of 772 2804 explorer.exe 34 PID 2804 wrote to memory of 772 2804 explorer.exe 34 PID 2804 wrote to memory of 772 2804 explorer.exe 34 PID 2804 wrote to memory of 772 2804 explorer.exe 34 PID 2652 wrote to memory of 1160 2652 svchost.exe 35 PID 2652 wrote to memory of 1160 2652 svchost.exe 35 PID 2652 wrote to memory of 1160 2652 svchost.exe 35 PID 2652 wrote to memory of 1160 2652 svchost.exe 35 PID 2652 wrote to memory of 1236 2652 svchost.exe 38 PID 2652 wrote to memory of 1236 2652 svchost.exe 38 PID 2652 wrote to memory of 1236 2652 svchost.exe 38 PID 2652 wrote to memory of 1236 2652 svchost.exe 38 PID 2652 wrote to memory of 1692 2652 svchost.exe 41 PID 2652 wrote to memory of 1692 2652 svchost.exe 41 PID 2652 wrote to memory of 1692 2652 svchost.exe 41 PID 2652 wrote to memory of 1692 2652 svchost.exe 41
Processes
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C:\Users\Admin\AppData\Local\Temp\75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe"C:\Users\Admin\AppData\Local\Temp\75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.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:2256 -
\??\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:2804 -
\??\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:2800 -
\??\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:2652 -
\??\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:2544
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 00:19 /f5⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1160
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 00:20 /f5⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1236
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 00:21 /f5⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1692
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C:\Windows\Explorer.exeC:\Windows\Explorer.exe3⤵PID:772
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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
MD5da19716e4391f14efc6fdd130d390e59
SHA1864a38c5a06ea34bcb9a821d8401c36a74b90e2e
SHA256245e039e20d9c446710b45541ae2eff372f67e3e8e413b4e720356c045cae390
SHA512978ea79abb9ba4ca97efcd2c2e12a8e57757ed7c20f47313d3412afb620e9161d64737510d594aba90a09e13501601e20ada89691e3a60927b3e68a73343449b
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Filesize
2.5MB
MD5ddaccf55da14ac593bc516dd20f522d5
SHA1d8806b4f0993acf1a6129a5fe05665203a69dcbc
SHA25660759a8e8ba5cd99af9f30cfe21440e45ccaade006ed4c0fa9379f8c670e3c78
SHA512cb008526be3b1e5ed884a7af7d592351cc2e4d020def6c6b94341e0b2a9af50af66f56fb46472ad0d3a82c66d1f57f27a1e23484df2636661147fb8df83284bc
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Filesize
2.5MB
MD5c6d0a5a3dc3d1bce728ff0585f13369b
SHA1e60f8d45b2d816f4b04fdfff3c661b82cfd97950
SHA256fe024a3597ef6caca8a3548df19793cc5e0d3fd7d42444aec19c21d83908b7c3
SHA5124de6f55c408dd82e533c34d3af7331200a21218f055982925085c337a1677360ca2dd3faf602afa5e4a0bd45bd6f9181e2e043a675dca78de1fd2f8900d66bbc