Analysis
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max time kernel
152s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
29-02-2024 02:50
Behavioral task
behavioral1
Sample
ad7ff2d73185adcd57bd8599fee410e5.xls
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
ad7ff2d73185adcd57bd8599fee410e5.xls
Resource
win10v2004-20240226-en
General
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Target
ad7ff2d73185adcd57bd8599fee410e5.xls
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Size
36KB
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MD5
ad7ff2d73185adcd57bd8599fee410e5
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SHA1
f95297f5d06d967cbb8ad644f5d22e273525e38c
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SHA256
85c380bc38f612394dd121561cf5ef9b8c985e3ab580c0aa085384a26a237cb6
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SHA512
85e4bb04fb25e5c0c6eceedf99113226d72ae45fb4305d1f7ba527b896f72c3f9dfc2957fa5b92674367862f7b8b53a3c13e52f689ee0307d7c0622106241edf
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SSDEEP
768:nPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJLUk0h7B1h/jEqkYtvBrSIJ:Pok3hbdlylKsgqopeJBWhZFGkE+cL2Nl
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:
explorer.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4000 4920 explorer.exe EXCEL.EXE -
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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE -
Modifies registry class 1 IoCs
Processes:
explorer.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000_Classes\Local Settings explorer.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 4920 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 4920 EXCEL.EXE 4920 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 14 IoCs
Processes:
EXCEL.EXEpid process 4920 EXCEL.EXE 4920 EXCEL.EXE 4920 EXCEL.EXE 4920 EXCEL.EXE 4920 EXCEL.EXE 4920 EXCEL.EXE 4920 EXCEL.EXE 4920 EXCEL.EXE 4920 EXCEL.EXE 4920 EXCEL.EXE 4920 EXCEL.EXE 4920 EXCEL.EXE 4920 EXCEL.EXE 4920 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
EXCEL.EXEexplorer.exedescription pid process target process PID 4920 wrote to memory of 4000 4920 EXCEL.EXE explorer.exe PID 4920 wrote to memory of 4000 4920 EXCEL.EXE explorer.exe PID 872 wrote to memory of 2032 872 explorer.exe WScript.exe PID 872 wrote to memory of 2032 872 explorer.exe WScript.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\ad7ff2d73185adcd57bd8599fee410e5.xls"1⤵
- 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
PID:4920 -
C:\Windows\explorer.exeexplorer.exe C:\Users\Public\Documents\HAopF.vbs2⤵
- Process spawned unexpected child process
PID:4000
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C:\Windows\explorer.exeC:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:872 -
C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\HAopF.vbs"2⤵PID:2032
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
558B
MD55723120a909456ac3a39b0d95e359deb
SHA1bb9c39b26b85126a33f74361da014bdf6888bb33
SHA256e923fb8ac3c84ce82cc160cd3fbb4a19a8f88aa5541b6c79e6497469b19dc826
SHA512670bad2361dee72f556b2aa54e3fd5ef830b42ce7ce2c729bb42ba2fed459b98ea3048a6614f2a117cf19579110b1f95de5bf7a4cfb502ea06eebca0939cfcc4