Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
25/05/2024, 22:56
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
6e156b26c265f81495405d28a1a0be5241e30aa2ed3af2b00ad34c5a39b8a45a.exe
Resource
win7-20240220-en
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
6e156b26c265f81495405d28a1a0be5241e30aa2ed3af2b00ad34c5a39b8a45a.exe
Resource
win10v2004-20240508-en
10 signatures
150 seconds
General
- Target 6e156b26c265f81495405d28a1a0be5241e30aa2ed3af2b00ad34c5a39b8a45a.exe
- Size 3.6MB
- Sample240525-2w46bsec44
- SHA256 6e156b26c265f81495405d28a1a0be5241e30aa2ed3af2b00ad34c5a39b8a45a
- MD5 52d149f49e5c00a7ffc5d63186b367cc
- SHA1 4232aa590ae0dab80ea9a8a5d0caf30f51a6248e
- SHA512 2e38901afa81af5ca3363d039815f37eac7e919bb2407694ecfc1f7f01e364c6267ea22e5552843cec3432cf76c8092352b0816eb1e2b1d6d2e8a6b4dd1a503a
- SSDEEP 98304:UdByXcdnlLwOrI5Vfeg91hZOhkRpsinjv:Udien+OrFuBR6cv
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" svchost.exe - Executes dropped EXE 4 IoCs
pid Process 4984 explorer.exe 2484 spoolsv.exe 4472 svchost.exe 3380 spoolsv.exe - 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 - 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 34 IoCs
pid Process 936 6e156b26c265f81495405d28a1a0be5241e30aa2ed3af2b00ad34c5a39b8a45a.exe 4984 explorer.exe 2484 spoolsv.exe 4472 svchost.exe 3380 spoolsv.exe 3380 spoolsv.exe 4472 svchost.exe 4984 explorer.exe 4472 svchost.exe 4984 explorer.exe 4472 svchost.exe 4984 explorer.exe 4472 svchost.exe 4984 explorer.exe 4472 svchost.exe 4984 explorer.exe 4472 svchost.exe 4984 explorer.exe 4472 svchost.exe 4984 explorer.exe 4472 svchost.exe 4984 explorer.exe 4472 svchost.exe 4984 explorer.exe 4472 svchost.exe 4984 explorer.exe 4472 svchost.exe 4984 explorer.exe 4472 svchost.exe 4984 explorer.exe 4472 svchost.exe 4984 explorer.exe 4472 svchost.exe 4984 explorer.exe - Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification \??\c:\windows\resources\themes\explorer.exe 6e156b26c265f81495405d28a1a0be5241e30aa2ed3af2b00ad34c5a39b8a45a.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 - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 936 6e156b26c265f81495405d28a1a0be5241e30aa2ed3af2b00ad34c5a39b8a45a.exe 936 6e156b26c265f81495405d28a1a0be5241e30aa2ed3af2b00ad34c5a39b8a45a.exe 936 6e156b26c265f81495405d28a1a0be5241e30aa2ed3af2b00ad34c5a39b8a45a.exe 936 6e156b26c265f81495405d28a1a0be5241e30aa2ed3af2b00ad34c5a39b8a45a.exe 936 6e156b26c265f81495405d28a1a0be5241e30aa2ed3af2b00ad34c5a39b8a45a.exe 936 6e156b26c265f81495405d28a1a0be5241e30aa2ed3af2b00ad34c5a39b8a45a.exe 936 6e156b26c265f81495405d28a1a0be5241e30aa2ed3af2b00ad34c5a39b8a45a.exe 936 6e156b26c265f81495405d28a1a0be5241e30aa2ed3af2b00ad34c5a39b8a45a.exe 936 6e156b26c265f81495405d28a1a0be5241e30aa2ed3af2b00ad34c5a39b8a45a.exe 936 6e156b26c265f81495405d28a1a0be5241e30aa2ed3af2b00ad34c5a39b8a45a.exe 936 6e156b26c265f81495405d28a1a0be5241e30aa2ed3af2b00ad34c5a39b8a45a.exe 936 6e156b26c265f81495405d28a1a0be5241e30aa2ed3af2b00ad34c5a39b8a45a.exe 936 6e156b26c265f81495405d28a1a0be5241e30aa2ed3af2b00ad34c5a39b8a45a.exe 936 6e156b26c265f81495405d28a1a0be5241e30aa2ed3af2b00ad34c5a39b8a45a.exe 936 6e156b26c265f81495405d28a1a0be5241e30aa2ed3af2b00ad34c5a39b8a45a.exe 936 6e156b26c265f81495405d28a1a0be5241e30aa2ed3af2b00ad34c5a39b8a45a.exe 936 6e156b26c265f81495405d28a1a0be5241e30aa2ed3af2b00ad34c5a39b8a45a.exe 936 6e156b26c265f81495405d28a1a0be5241e30aa2ed3af2b00ad34c5a39b8a45a.exe 936 6e156b26c265f81495405d28a1a0be5241e30aa2ed3af2b00ad34c5a39b8a45a.exe 936 6e156b26c265f81495405d28a1a0be5241e30aa2ed3af2b00ad34c5a39b8a45a.exe 936 6e156b26c265f81495405d28a1a0be5241e30aa2ed3af2b00ad34c5a39b8a45a.exe 936 6e156b26c265f81495405d28a1a0be5241e30aa2ed3af2b00ad34c5a39b8a45a.exe 936 6e156b26c265f81495405d28a1a0be5241e30aa2ed3af2b00ad34c5a39b8a45a.exe 936 6e156b26c265f81495405d28a1a0be5241e30aa2ed3af2b00ad34c5a39b8a45a.exe 936 6e156b26c265f81495405d28a1a0be5241e30aa2ed3af2b00ad34c5a39b8a45a.exe 936 6e156b26c265f81495405d28a1a0be5241e30aa2ed3af2b00ad34c5a39b8a45a.exe 936 6e156b26c265f81495405d28a1a0be5241e30aa2ed3af2b00ad34c5a39b8a45a.exe 936 6e156b26c265f81495405d28a1a0be5241e30aa2ed3af2b00ad34c5a39b8a45a.exe 936 6e156b26c265f81495405d28a1a0be5241e30aa2ed3af2b00ad34c5a39b8a45a.exe 936 6e156b26c265f81495405d28a1a0be5241e30aa2ed3af2b00ad34c5a39b8a45a.exe 936 6e156b26c265f81495405d28a1a0be5241e30aa2ed3af2b00ad34c5a39b8a45a.exe 936 6e156b26c265f81495405d28a1a0be5241e30aa2ed3af2b00ad34c5a39b8a45a.exe 936 6e156b26c265f81495405d28a1a0be5241e30aa2ed3af2b00ad34c5a39b8a45a.exe 936 6e156b26c265f81495405d28a1a0be5241e30aa2ed3af2b00ad34c5a39b8a45a.exe 4984 explorer.exe 4984 explorer.exe 4984 explorer.exe 4984 explorer.exe 4984 explorer.exe 4984 explorer.exe 4984 explorer.exe 4984 explorer.exe 4984 explorer.exe 4984 explorer.exe 4984 explorer.exe 4984 explorer.exe 4984 explorer.exe 4984 explorer.exe 4984 explorer.exe 4984 explorer.exe 4984 explorer.exe 4984 explorer.exe 4984 explorer.exe 4984 explorer.exe 4984 explorer.exe 4984 explorer.exe 4984 explorer.exe 4984 explorer.exe 4984 explorer.exe 4984 explorer.exe 4984 explorer.exe 4984 explorer.exe 4984 explorer.exe 4984 explorer.exe - Suspicious behavior: GetForegroundWindowSpam 2 IoCs
pid Process 4984 explorer.exe 4472 svchost.exe - Suspicious use of SetWindowsHookEx 15 IoCs
pid Process 936 6e156b26c265f81495405d28a1a0be5241e30aa2ed3af2b00ad34c5a39b8a45a.exe 936 6e156b26c265f81495405d28a1a0be5241e30aa2ed3af2b00ad34c5a39b8a45a.exe 936 6e156b26c265f81495405d28a1a0be5241e30aa2ed3af2b00ad34c5a39b8a45a.exe 4984 explorer.exe 4984 explorer.exe 4984 explorer.exe 2484 spoolsv.exe 2484 spoolsv.exe 2484 spoolsv.exe 4472 svchost.exe 4472 svchost.exe 4472 svchost.exe 3380 spoolsv.exe 3380 spoolsv.exe 3380 spoolsv.exe - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 936 wrote to memory of 4984 936 6e156b26c265f81495405d28a1a0be5241e30aa2ed3af2b00ad34c5a39b8a45a.exe 82 PID 936 wrote to memory of 4984 936 6e156b26c265f81495405d28a1a0be5241e30aa2ed3af2b00ad34c5a39b8a45a.exe 82 PID 936 wrote to memory of 4984 936 6e156b26c265f81495405d28a1a0be5241e30aa2ed3af2b00ad34c5a39b8a45a.exe 82 PID 4984 wrote to memory of 2484 4984 explorer.exe 85 PID 4984 wrote to memory of 2484 4984 explorer.exe 85 PID 4984 wrote to memory of 2484 4984 explorer.exe 85 PID 2484 wrote to memory of 4472 2484 spoolsv.exe 87 PID 2484 wrote to memory of 4472 2484 spoolsv.exe 87 PID 2484 wrote to memory of 4472 2484 spoolsv.exe 87 PID 4472 wrote to memory of 3380 4472 svchost.exe 88 PID 4472 wrote to memory of 3380 4472 svchost.exe 88 PID 4472 wrote to memory of 3380 4472 svchost.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\6e156b26c265f81495405d28a1a0be5241e30aa2ed3af2b00ad34c5a39b8a45a.exe"C:\Users\Admin\AppData\Local\Temp\6e156b26c265f81495405d28a1a0be5241e30aa2ed3af2b00ad34c5a39b8a45a.exe"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:936 -
\??\c:\windows\resources\themes\explorer.exec:\windows\resources\themes\explorer.exe2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- 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:4984 -
\??\c:\windows\resources\spoolsv.exec:\windows\resources\spoolsv.exe SE3⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2484 -
\??\c:\windows\resources\svchost.exec:\windows\resources\svchost.exe4⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4472 -
\??\c:\windows\resources\spoolsv.exec:\windows\resources\spoolsv.exe PR5⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetWindowsHookEx
PID:3380
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Windows\Resources\Themes\explorer.exe
- Size 3.6MB
- SHA256 79a1009621eaacfdbcb6e50d1d3f97ce0d563a39c8764c95e0bee5a953c31720
- MD5 9042faca425be457a4d8234f3993c42c
- SHA1 136abccf5b80e419ba3897f5bc586422af422cee
- SHA512 e004b56a55eb80ae08c371c24ed831c8a4d9453cae025f2244bcc8d8df4eeb1ed9806543c0b25d912ab9299e3f4b8b447c29e5906bbadc3b4468aaf9cce3fe08
- SSDEEP 98304:UdByXcdnlLwOrI5Vfeg91hZOhkRpsinj/:Udien+OrFuBR6c/
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\Resources\spoolsv.exe
- Size 3.6MB
- SHA256 aa5f524cde0eee202c7864e91b8ebd814c4d2206761b23d2c27bcc2b9b5e62aa
- MD5 a10ff0e025a84147100860dcbfd1a142
- SHA1 0e721418d64e8b22c66fdfa3df205f8d4671acd9
- SHA512 dfd680a683ea51cad987ff8128354da6e71eb2b9103d0c7076adef40b24421a8828512a3ae99ed1a1ecf01763dc04c260448d9b59337a74c7ba12943f254a3ef
- SSDEEP 98304:UdByXcdnlLwOrI5Vfeg91hZOhkRpsinj2:Udien+OrFuBR6c2
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\Resources\svchost.exe
- Size 3.6MB
- SHA256 f2da2e60df5e0c0769b891a161107ecf7c0d2eef8b79672cd2d7e6257f26a8e7
- MD5 b1f1773b5e106cf6ffe039a74e52e9c6
- SHA1 e5611f1ce2ae31ac81c03a1eb751ed30b42d7e90
- SHA512 5878cae7decb0529a768769807b4baa5eb9e0c87ac58f8a85952e9d388cd95d4e93ffcd6b1defb6f4f30635647cdc18b94d144797ec0ee2a4a244c56f099dbd4
- SSDEEP 98304:UdByXcdnlLwOrI5Vfeg91hZOhkRpsinju:Udien+OrFuBR6cu
- MD5 SHA1 SHA512 SSDEEP