Analysis
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max time kernel
141s -
max time network
146s -
platform
windows10_x64 -
resource
win10 -
submitted
19/10/2020, 22:57
Static task
static1
Behavioral task
behavioral1
Sample
document-1220363975.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
document-1220363975.xls
Resource
win10
General
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Target
document-1220363975.xls
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Size
426KB
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MD5
5cf45cccf1d20e38c08cf86eb7e4a8c6
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SHA1
c4ef5a720a87018f1202ac459f95c1e69ef20b76
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SHA256
0ce526b67b42ef55880b0abb1b2b1ad2af54bf51f82449d31ccf2e498655d90d
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SHA512
16f8366ecda13498d1bc13f8a2c146220d215a25f096c6a9a9c959ea64fa528fd7247632758bf86241476a9b0a6a5dccb11c30d2a3796d3025b0fedb5d0ac2f5
Malware Config
Signatures
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Process spawned suspicious child process 1 IoCs
This child process is typically not spawned unless (for example) the parent process crashes. This typically indicates the parent process was unsuccessfully compromised.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2096 3356 DW20.EXE 66 -
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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 3356 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3356 EXCEL.EXE 3356 EXCEL.EXE 2212 dwwin.exe 2212 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3356 EXCEL.EXE 3356 EXCEL.EXE 3356 EXCEL.EXE 3356 EXCEL.EXE 3356 EXCEL.EXE 3356 EXCEL.EXE 3356 EXCEL.EXE 3356 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3356 wrote to memory of 2096 3356 EXCEL.EXE 76 PID 3356 wrote to memory of 2096 3356 EXCEL.EXE 76 PID 2096 wrote to memory of 2212 2096 DW20.EXE 77 PID 2096 wrote to memory of 2212 2096 DW20.EXE 77
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\document-1220363975.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3356 -
C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE"C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE" -x -s 43922⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:2096 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 43923⤵
- Suspicious behavior: EnumeratesProcesses
PID:2212
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