Analysis
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max time kernel
59s -
max time network
33s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
04-09-2024 22:10
Behavioral task
behavioral1
Sample
02296ed58ecfeab3d9b8a56ed1e716d1037d94b88dac28ded63434d816aa17b6.xls
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
02296ed58ecfeab3d9b8a56ed1e716d1037d94b88dac28ded63434d816aa17b6.xls
Resource
win10v2004-20240802-en
General
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Target
02296ed58ecfeab3d9b8a56ed1e716d1037d94b88dac28ded63434d816aa17b6.xls
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Size
36KB
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MD5
e565b4dda7fe0d849b98d8a9023fbf7a
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SHA1
45ce531710f0bc2b6e82e3900cf363b1a9258b75
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SHA256
02296ed58ecfeab3d9b8a56ed1e716d1037d94b88dac28ded63434d816aa17b6
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SHA512
77e3719bea4b878426386231f5723a080bf2e748c287a9ea8488d77c11f55319243ebdee1997f7644d7bc1d921ba2754f0a9dcd80e65d22dd4a1669d5bbfbe8d
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SSDEEP
768:gPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJieRjSjtRuHqcTai8e:sok3hbdlylKsgqopeJBWhZFGkE+cL2Nm
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 2716 2556 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 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 -
Modifies registry class 1 IoCs
Processes:
explorer.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000_Classes\Local Settings explorer.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 2556 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
EXCEL.EXEpid process 2556 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
EXCEL.EXEpid process 2556 EXCEL.EXE 2556 EXCEL.EXE 2556 EXCEL.EXE 2556 EXCEL.EXE 2556 EXCEL.EXE 2556 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
EXCEL.EXEexplorer.exedescription pid process target process PID 2556 wrote to memory of 2716 2556 EXCEL.EXE explorer.exe PID 2556 wrote to memory of 2716 2556 EXCEL.EXE explorer.exe PID 4188 wrote to memory of 3972 4188 explorer.exe WScript.exe PID 4188 wrote to memory of 3972 4188 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\02296ed58ecfeab3d9b8a56ed1e716d1037d94b88dac28ded63434d816aa17b6.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:2556 -
C:\Windows\explorer.exeexplorer.exe C:\Users\Public\Documents\YrkHXr.vbs2⤵
- Process spawned unexpected child process
PID:2716
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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:4188 -
C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\YrkHXr.vbs"2⤵PID:3972
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
580B
MD5e44f54f266828b01033e537ef1ea23d3
SHA198695dacefc757ef56d39f0eda3200f7a3708c52
SHA2568b66942c59fa01cea50ed02e8fc9fed096fa8c981ef8e16dc4a5a216271ebd60
SHA51265e7e53b287df0ca76f38514f1739d020ed9c91583708e821ec806094c3d5ce8f36fc4e4eba6b4fffc7aab625c430e06121d3035371ccc2a4cddfbf2076f72be