Analysis
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max time kernel
150s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
11-07-2024 02:31
Behavioral task
behavioral1
Sample
98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe
Resource
win10v2004-20240709-en
General
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Target
98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe
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Size
2.5MB
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MD5
5824a4b66310c7d39e7801ff7e6d0d08
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SHA1
88237f48e2ff6d446638d6db16537f1274669130
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SHA256
98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f
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SHA512
ffe5370847e06b5c81f162ca62998fe0d30981443a753330b5c8de0a09985f0aef2be99992162a81deeae0c22d24b0726b56c79b76598e87953fad03001103fc
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SSDEEP
49152:WxmvumkQ9lY9sgUXdTPSxdQ8KX75IyuWuCjcCqWOyxL:Wxx9NUFkQx753uWuCyyxL
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-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000\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__ 98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.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 svchost.exe 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\SystemBiosVersion spoolsv.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorer.exe -
Executes dropped EXE 4 IoCs
pid Process 2120 explorer.exe 1976 spoolsv.exe 2704 svchost.exe 2860 spoolsv.exe -
Loads dropped DLL 4 IoCs
pid Process 1740 98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe 2120 explorer.exe 1976 spoolsv.exe 2704 svchost.exe -
resource yara_rule behavioral1/memory/1740-0-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/1740-3-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/files/0x000900000001877f-7.dat themida behavioral1/memory/2120-12-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2120-19-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/files/0x000800000001878c-20.dat themida behavioral1/memory/1976-25-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/1976-32-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/files/0x000700000001925c-36.dat themida behavioral1/memory/2704-38-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2860-48-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2860-51-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/1976-53-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/1740-55-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2120-56-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2704-57-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2120-69-0x0000000000400000-0x0000000000A0E000-memory.dmp themida behavioral1/memory/2704-80-0x0000000000400000-0x0000000000A0E000-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 98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.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 svchost.exe File opened for modification C:\Windows\SysWOW64\explorer.exe explorer.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
pid Process 1740 98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe 2120 explorer.exe 1976 spoolsv.exe 2704 svchost.exe 2860 spoolsv.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification \??\c:\windows\resources\themes\explorer.exe 98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.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 -
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 2616 schtasks.exe 2040 schtasks.exe 1492 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1740 98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe 1740 98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe 1740 98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe 1740 98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe 1740 98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe 1740 98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe 1740 98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe 1740 98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe 1740 98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe 1740 98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe 1740 98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe 1740 98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe 1740 98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe 1740 98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe 1740 98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe 1740 98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe 1740 98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe 2120 explorer.exe 2120 explorer.exe 2120 explorer.exe 2120 explorer.exe 2120 explorer.exe 2120 explorer.exe 2120 explorer.exe 2120 explorer.exe 2120 explorer.exe 2120 explorer.exe 2120 explorer.exe 2120 explorer.exe 2120 explorer.exe 2120 explorer.exe 2120 explorer.exe 2120 explorer.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2704 svchost.exe 2120 explorer.exe 2120 explorer.exe 2120 explorer.exe 2120 explorer.exe 2120 explorer.exe 2704 svchost.exe 2704 svchost.exe 2120 explorer.exe 2704 svchost.exe 2120 explorer.exe 2120 explorer.exe 2704 svchost.exe 2120 explorer.exe 2704 svchost.exe 2120 explorer.exe -
Suspicious behavior: GetForegroundWindowSpam 2 IoCs
pid Process 2120 explorer.exe 2704 svchost.exe -
Suspicious use of SetWindowsHookEx 10 IoCs
pid Process 1740 98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe 1740 98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe 2120 explorer.exe 2120 explorer.exe 1976 spoolsv.exe 1976 spoolsv.exe 2704 svchost.exe 2704 svchost.exe 2860 spoolsv.exe 2860 spoolsv.exe -
Suspicious use of WriteProcessMemory 32 IoCs
description pid Process procid_target PID 1740 wrote to memory of 2120 1740 98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe 30 PID 1740 wrote to memory of 2120 1740 98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe 30 PID 1740 wrote to memory of 2120 1740 98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe 30 PID 1740 wrote to memory of 2120 1740 98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe 30 PID 2120 wrote to memory of 1976 2120 explorer.exe 31 PID 2120 wrote to memory of 1976 2120 explorer.exe 31 PID 2120 wrote to memory of 1976 2120 explorer.exe 31 PID 2120 wrote to memory of 1976 2120 explorer.exe 31 PID 1976 wrote to memory of 2704 1976 spoolsv.exe 32 PID 1976 wrote to memory of 2704 1976 spoolsv.exe 32 PID 1976 wrote to memory of 2704 1976 spoolsv.exe 32 PID 1976 wrote to memory of 2704 1976 spoolsv.exe 32 PID 2704 wrote to memory of 2860 2704 svchost.exe 33 PID 2704 wrote to memory of 2860 2704 svchost.exe 33 PID 2704 wrote to memory of 2860 2704 svchost.exe 33 PID 2704 wrote to memory of 2860 2704 svchost.exe 33 PID 2120 wrote to memory of 2192 2120 explorer.exe 34 PID 2120 wrote to memory of 2192 2120 explorer.exe 34 PID 2120 wrote to memory of 2192 2120 explorer.exe 34 PID 2120 wrote to memory of 2192 2120 explorer.exe 34 PID 2704 wrote to memory of 2616 2704 svchost.exe 35 PID 2704 wrote to memory of 2616 2704 svchost.exe 35 PID 2704 wrote to memory of 2616 2704 svchost.exe 35 PID 2704 wrote to memory of 2616 2704 svchost.exe 35 PID 2704 wrote to memory of 2040 2704 svchost.exe 39 PID 2704 wrote to memory of 2040 2704 svchost.exe 39 PID 2704 wrote to memory of 2040 2704 svchost.exe 39 PID 2704 wrote to memory of 2040 2704 svchost.exe 39 PID 2704 wrote to memory of 1492 2704 svchost.exe 41 PID 2704 wrote to memory of 1492 2704 svchost.exe 41 PID 2704 wrote to memory of 1492 2704 svchost.exe 41 PID 2704 wrote to memory of 1492 2704 svchost.exe 41
Processes
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C:\Users\Admin\AppData\Local\Temp\98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.exe"C:\Users\Admin\AppData\Local\Temp\98afd4feb9c82d74686199f58b21d0470fe9c7ce6f86bc53ded6b3ac1503ef4f.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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1740 -
\??\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
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2120 -
\??\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
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1976 -
\??\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
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2704 -
\??\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
- Suspicious use of SetWindowsHookEx
PID:2860
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 02:33 /f5⤵
- Scheduled Task/Job: Scheduled Task
PID:2616
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 02:34 /f5⤵
- Scheduled Task/Job: Scheduled Task
PID:2040
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 02:35 /f5⤵
- Scheduled Task/Job: Scheduled Task
PID:1492
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C:\Windows\Explorer.exeC:\Windows\Explorer.exe3⤵PID:2192
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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
MD5debb00c5c172e145020d65efb9d2d0d4
SHA1c9baf155ec5484839c1e9d7c006c8eec39b1af29
SHA256c2f37b13f7667e46242a36ae9ab7905c89859be931bdaacdb806ede8ac5b657a
SHA5123483d343c6e04cdc2e46133d4af339d32355ffd741a69a77d4ca5fb792523f17bd7ffa8585b5559d026f048aa665cb2c954680283c0328709b123138858cc7db
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Filesize
2.5MB
MD586bad5643d61a256dba09219e8244a7a
SHA16daa149d0b227c9dfbf0661d400dc3729953f35d
SHA25602471ab7c03fa3b35bbdbc5da49d9c795c27f46960cc416c51394610c4800c82
SHA51297941105f9b25dac328f0df8e89c6a999bf02352546684182312c15f938a32b2af8c0ef17ad61b8eaee9d6fefa13f4e7177a412025a94b21d8d911804bcbe7f3
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Filesize
2.5MB
MD5bc5455a948adf6a5c5c23f223c593b88
SHA1c0dd77e799ede480af3d0addc117595d2947dc35
SHA2568cf0adcdf338bdb40d6964a55d41fa4f9b881f776cfd188a60f4a3603867bb8d
SHA512386d84ba2826147a637028e720d04c4957019f0ded2a1164ee1e383bbb6587fbd41215a6adbf9f07efe035feb56969e138da155f45ae8b353dd127a2be2f0ab1