Analysis
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max time kernel
87s -
max time network
156s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
19/10/2020, 23:32
Static task
static1
Behavioral task
behavioral1
Sample
document-1400422935.xls
Resource
win7
Behavioral task
behavioral2
Sample
document-1400422935.xls
Resource
win10v200722
General
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Target
document-1400422935.xls
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Size
426KB
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MD5
55f934c29441efa1ba506f330e37bfec
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SHA1
1745bf6fb959e4dd5331367d21487711362136ec
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SHA256
e15a0c55c4ec951efdaca5f72855921b1085967591b3cf93bd22b524c61a2f2c
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SHA512
9eb724885609722fec6695c75923f6b6976cb99924ef543895f68f7e216ecba8a03f9085267f3889cf17b385aaf62c88626c88802b774ea594c8843548e64a52
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 2744 508 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 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 508 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 508 EXCEL.EXE 508 EXCEL.EXE 3568 dwwin.exe 3568 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 508 EXCEL.EXE 508 EXCEL.EXE 508 EXCEL.EXE 508 EXCEL.EXE 508 EXCEL.EXE 508 EXCEL.EXE 508 EXCEL.EXE 508 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 508 wrote to memory of 2744 508 EXCEL.EXE 79 PID 508 wrote to memory of 2744 508 EXCEL.EXE 79 PID 2744 wrote to memory of 3568 2744 DW20.EXE 80 PID 2744 wrote to memory of 3568 2744 DW20.EXE 80
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-1400422935.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:508 -
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 47282⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:2744 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 47283⤵
- Suspicious behavior: EnumeratesProcesses
PID:3568
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