Analysis
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max time kernel
153s -
max time network
193s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
29-01-2023 19:21
Behavioral task
behavioral1
Sample
635d9d2c05aa20361dadc5e2d073490f452f0aa55b687098d97e3f69547c782e.xls
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
635d9d2c05aa20361dadc5e2d073490f452f0aa55b687098d97e3f69547c782e.xls
Resource
win10v2004-20221111-en
General
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Target
635d9d2c05aa20361dadc5e2d073490f452f0aa55b687098d97e3f69547c782e.xls
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Size
36KB
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MD5
823238cf7f45d08cd12ab987fd382628
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SHA1
86207a86cdfa51080fe835200e3c746bad3d583a
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SHA256
635d9d2c05aa20361dadc5e2d073490f452f0aa55b687098d97e3f69547c782e
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SHA512
d9fd81603a5f57fec9fb0f5794c053272ffa13fca207a89c0fbe51a76dac319d7b675c055740598942638b64f20ba932bca5c9bdfa0dbfd0f4447b697dc89fa4
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SSDEEP
768:nPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJchyvA4hamJvMC2qGVggG/:Pok3hbdlylKsgqopeJBWhZFGkE+cL2NG
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 5032 4728 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-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings explorer.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 4728 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 14 IoCs
Processes:
EXCEL.EXEpid process 4728 EXCEL.EXE 4728 EXCEL.EXE 4728 EXCEL.EXE 4728 EXCEL.EXE 4728 EXCEL.EXE 4728 EXCEL.EXE 4728 EXCEL.EXE 4728 EXCEL.EXE 4728 EXCEL.EXE 4728 EXCEL.EXE 4728 EXCEL.EXE 4728 EXCEL.EXE 4728 EXCEL.EXE 4728 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
EXCEL.EXEexplorer.exedescription pid process target process PID 4728 wrote to memory of 5032 4728 EXCEL.EXE explorer.exe PID 4728 wrote to memory of 5032 4728 EXCEL.EXE explorer.exe PID 3568 wrote to memory of 1880 3568 explorer.exe WScript.exe PID 3568 wrote to memory of 1880 3568 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\635d9d2c05aa20361dadc5e2d073490f452f0aa55b687098d97e3f69547c782e.xls"Checks processor information in registryEnumerates system info in registrySuspicious behavior: AddClipboardFormatListenerSuspicious use of SetWindowsHookExSuspicious use of WriteProcessMemory
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C:\Windows\explorer.exeexplorer.exe C:\Users\Public\Documents\DPQGxnY.vbsProcess spawned unexpected child process
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C:\Windows\explorer.exeC:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -EmbeddingModifies registry classSuspicious use of WriteProcessMemory
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\DPQGxnY.vbs"
Network
MITRE ATT&CK Matrix
Collection
Command and Control
Credential Access
Defense Evasion
Execution
Exfiltration
Impact
Initial Access
Lateral Movement
Persistence
Privilege Escalation
Replay Monitor
Downloads
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C:\Users\Public\Documents\DPQGxnY.vbsFilesize
562B
MD563326eeb1f5f66859912bf5118f0660d
SHA1dbe5e173b4ad20a6143c8149ae3cf9f47202a53e
SHA2560d693006a96c1a8ba069a8f2b33de5b101af5ee107b7cc1d16ee9647b55abb7d
SHA5129f2f657b512a3244cf235dffcf41fc83008d1ec8eef19e4202aeca4df7431f43db420662754e9b24dcd79f7b10b77d1155ceb0dc7f0c2ea773a62ab6a0239fc2
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memory/1880-141-0x0000000000000000-mapping.dmp
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memory/4728-132-0x00007FFD16230000-0x00007FFD16240000-memory.dmpFilesize
64KB
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memory/4728-133-0x00007FFD16230000-0x00007FFD16240000-memory.dmpFilesize
64KB
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memory/4728-134-0x00007FFD16230000-0x00007FFD16240000-memory.dmpFilesize
64KB
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memory/4728-135-0x00007FFD16230000-0x00007FFD16240000-memory.dmpFilesize
64KB
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memory/4728-136-0x00007FFD16230000-0x00007FFD16240000-memory.dmpFilesize
64KB
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memory/4728-137-0x00007FFD141D0000-0x00007FFD141E0000-memory.dmpFilesize
64KB
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memory/4728-138-0x00007FFD141D0000-0x00007FFD141E0000-memory.dmpFilesize
64KB
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memory/5032-139-0x0000000000000000-mapping.dmp