Analysis
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max time kernel
75s -
max time network
138s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
20/10/2020, 22:23
Static task
static1
Behavioral task
behavioral1
Sample
doc_pack-358273168.xls
Resource
win7
Behavioral task
behavioral2
Sample
doc_pack-358273168.xls
Resource
win10v200722
General
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Target
doc_pack-358273168.xls
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Size
62KB
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MD5
6e01a213fcf06d9a615687e2553edac1
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SHA1
108c64f678f0838aee1c444dfcc466aa42da4cb9
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SHA256
fb486e4ae32ebf7d85f7028223f09d1c906c9a0204a97a76cac995f9e5d0907b
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SHA512
30cc67c1ef510a2e22738ad2d13a3d808c0dfe3d859718ddfdc9a014f52578865247dca69b70252d5c6ac6750b08aab1b9ecca2a700a9025a5b2b6940a2fd2dd
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 3092 4036 DW20.EXE 65 -
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\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 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 4036 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4036 EXCEL.EXE 4036 EXCEL.EXE 3664 dwwin.exe 3664 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 4036 EXCEL.EXE 4036 EXCEL.EXE 4036 EXCEL.EXE 4036 EXCEL.EXE 4036 EXCEL.EXE 4036 EXCEL.EXE 4036 EXCEL.EXE 4036 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4036 wrote to memory of 3092 4036 EXCEL.EXE 75 PID 4036 wrote to memory of 3092 4036 EXCEL.EXE 75 PID 3092 wrote to memory of 3664 3092 DW20.EXE 76 PID 3092 wrote to memory of 3664 3092 DW20.EXE 76
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\doc_pack-358273168.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:4036 -
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 46522⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:3092 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 46523⤵
- Suspicious behavior: EnumeratesProcesses
PID:3664
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