Analysis
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max time kernel
150s -
max time network
19s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
21-11-2024 00:29
Behavioral task
behavioral1
Sample
75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe
Resource
win7-20241010-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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" svchost.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\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\VideoBiosVersion explorer.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\SystemBiosVersion svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion spoolsv.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion svchost.exe -
Executes dropped EXE 4 IoCs
pid Process 2436 explorer.exe 2872 spoolsv.exe 2752 svchost.exe 3000 spoolsv.exe -
Loads dropped DLL 4 IoCs
pid Process 2172 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 2436 explorer.exe 2872 spoolsv.exe 2752 svchost.exe -
resource yara_rule behavioral1/memory/2172-0-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/files/0x000a00000001756e-7.dat themida behavioral1/memory/2436-12-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/files/0x0003000000018334-18.dat themida behavioral1/memory/2872-24-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/files/0x00070000000186c3-31.dat themida behavioral1/memory/2172-35-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2752-36-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/3000-45-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2436-44-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2872-50-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/3000-49-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2872-51-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2172-53-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2436-54-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2752-55-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2436-57-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2752-64-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2436-67-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2436-69-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2752-80-0x0000000000400000-0x0000000000A0E000-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 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 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 2172 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 2436 explorer.exe 2872 spoolsv.exe 2752 svchost.exe 3000 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 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 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 -
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 2256 schtasks.exe 1812 schtasks.exe 2616 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2172 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 2172 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 2172 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 2172 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 2172 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 2172 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 2172 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 2172 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 2172 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 2172 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 2172 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 2172 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 2172 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 2172 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 2172 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 2172 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 2172 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 2436 explorer.exe 2436 explorer.exe 2436 explorer.exe 2436 explorer.exe 2436 explorer.exe 2436 explorer.exe 2436 explorer.exe 2436 explorer.exe 2436 explorer.exe 2436 explorer.exe 2436 explorer.exe 2436 explorer.exe 2436 explorer.exe 2436 explorer.exe 2436 explorer.exe 2436 explorer.exe 2752 svchost.exe 2752 svchost.exe 2752 svchost.exe 2752 svchost.exe 2752 svchost.exe 2752 svchost.exe 2752 svchost.exe 2752 svchost.exe 2752 svchost.exe 2752 svchost.exe 2752 svchost.exe 2752 svchost.exe 2752 svchost.exe 2752 svchost.exe 2752 svchost.exe 2752 svchost.exe 2436 explorer.exe 2752 svchost.exe 2752 svchost.exe 2436 explorer.exe 2436 explorer.exe 2752 svchost.exe 2436 explorer.exe 2752 svchost.exe 2436 explorer.exe 2436 explorer.exe 2752 svchost.exe 2436 explorer.exe 2436 explorer.exe 2752 svchost.exe 2752 svchost.exe -
Suspicious behavior: GetForegroundWindowSpam 2 IoCs
pid Process 2436 explorer.exe 2752 svchost.exe -
Suspicious use of SetWindowsHookEx 10 IoCs
pid Process 2172 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 2172 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 2436 explorer.exe 2436 explorer.exe 2872 spoolsv.exe 2872 spoolsv.exe 2752 svchost.exe 2752 svchost.exe 3000 spoolsv.exe 3000 spoolsv.exe -
Suspicious use of WriteProcessMemory 32 IoCs
description pid Process procid_target PID 2172 wrote to memory of 2436 2172 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 29 PID 2172 wrote to memory of 2436 2172 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 29 PID 2172 wrote to memory of 2436 2172 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 29 PID 2172 wrote to memory of 2436 2172 75707ae37316328f661e00cf9c813def7a0a3aef1b017b4a326032bf7d60a325.exe 29 PID 2436 wrote to memory of 2872 2436 explorer.exe 30 PID 2436 wrote to memory of 2872 2436 explorer.exe 30 PID 2436 wrote to memory of 2872 2436 explorer.exe 30 PID 2436 wrote to memory of 2872 2436 explorer.exe 30 PID 2872 wrote to memory of 2752 2872 spoolsv.exe 31 PID 2872 wrote to memory of 2752 2872 spoolsv.exe 31 PID 2872 wrote to memory of 2752 2872 spoolsv.exe 31 PID 2872 wrote to memory of 2752 2872 spoolsv.exe 31 PID 2752 wrote to memory of 3000 2752 svchost.exe 32 PID 2752 wrote to memory of 3000 2752 svchost.exe 32 PID 2752 wrote to memory of 3000 2752 svchost.exe 32 PID 2752 wrote to memory of 3000 2752 svchost.exe 32 PID 2436 wrote to memory of 1308 2436 explorer.exe 33 PID 2436 wrote to memory of 1308 2436 explorer.exe 33 PID 2436 wrote to memory of 1308 2436 explorer.exe 33 PID 2436 wrote to memory of 1308 2436 explorer.exe 33 PID 2752 wrote to memory of 2256 2752 svchost.exe 34 PID 2752 wrote to memory of 2256 2752 svchost.exe 34 PID 2752 wrote to memory of 2256 2752 svchost.exe 34 PID 2752 wrote to memory of 2256 2752 svchost.exe 34 PID 2752 wrote to memory of 1812 2752 svchost.exe 37 PID 2752 wrote to memory of 1812 2752 svchost.exe 37 PID 2752 wrote to memory of 1812 2752 svchost.exe 37 PID 2752 wrote to memory of 1812 2752 svchost.exe 37 PID 2752 wrote to memory of 2616 2752 svchost.exe 39 PID 2752 wrote to memory of 2616 2752 svchost.exe 39 PID 2752 wrote to memory of 2616 2752 svchost.exe 39 PID 2752 wrote to memory of 2616 2752 svchost.exe 39
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:2172 -
\??\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:2436 -
\??\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:2872 -
\??\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:2752 -
\??\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:3000
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 00:32 /f5⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2256
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 00:33 /f5⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1812
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 00:34 /f5⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2616
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C:\Windows\Explorer.exeC:\Windows\Explorer.exe3⤵PID:1308
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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
MD5b1e1d489cd1ed984ff46271fbef607c1
SHA1d206dea6bf0450b2561c6d19f196e186f4791d1a
SHA256678f9fa2cf3431b8a8391d12a98732226414d2e7c491601fa2d2632d1dc4f804
SHA512aba870822247f41f159b2c64091ca39d63530be8244b450a3099cb090a71b06f3d1a16273286d5224d06eb00b8563685349f7ac93aafe723ac6b2adf9f608b0f
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Filesize
2.5MB
MD50b27182b879e28978aaccdbac9fa80b0
SHA18f94f18eff2410bf63f90a7bce3eab734c5648e8
SHA256bf0626383d25283e691e5f5e34a2ef22a2be53632c03d4cb54750877e189ab8c
SHA5123efb39ecb4ac35f498744c6041432326aff8c037b4577fac205eb1a458ceb8cfd696301511aabef52fc4abc717f95b02da4ac55c84cfa1714b613345f22342cf
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Filesize
2.5MB
MD52afa8daaf71542f419ae38d46fe42197
SHA143082575840605db5f9f7f0f31c315728c0652da
SHA256ab63a7a0061023a75274c708621495d453a95a45075e8d581afa7ac25a6a339b
SHA512c68447d0eb179d958a646d0cf5fa42b654bf0cb81e488888471ec2fc8491b73bb3a3bf64f346fd3dd4ed43f081f4745ca6f6ac1a337de682506303edb0213751