Analysis
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max time kernel
84s -
max time network
151s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
20/10/2020, 23:07
Static task
static1
Behavioral task
behavioral1
Sample
doc_pack-610776050.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
doc_pack-610776050.xls
Resource
win10v200722
General
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Target
doc_pack-610776050.xls
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Size
62KB
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MD5
6e8a290cbb12bc22f9336e3233465e70
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SHA1
a7b92df292521d1e226f99dad414a44d3a9a3848
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SHA256
d76b1a0400ee58f26dc2268fadc55cd2cabfd33524527a71f2014d28f121b6b9
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SHA512
51982b4284f8da0919466bcebd190ba429ae7f7b72d7432cfab8d3cd101c1793559ebd3499df3447d002a7d45db9f76110169e52e63c5845a6d694e72292a4e2
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 3440 532 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 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 532 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 532 EXCEL.EXE 532 EXCEL.EXE 1244 dwwin.exe 1244 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 532 EXCEL.EXE 532 EXCEL.EXE 532 EXCEL.EXE 532 EXCEL.EXE 532 EXCEL.EXE 532 EXCEL.EXE 532 EXCEL.EXE 532 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 532 wrote to memory of 3440 532 EXCEL.EXE 79 PID 532 wrote to memory of 3440 532 EXCEL.EXE 79 PID 3440 wrote to memory of 1244 3440 DW20.EXE 80 PID 3440 wrote to memory of 1244 3440 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\doc_pack-610776050.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:532 -
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 46842⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:3440 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 46843⤵
- Suspicious behavior: EnumeratesProcesses
PID:1244
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