Analysis
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max time kernel
82s -
max time network
145s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
20/10/2020, 22:30
Static task
static1
Behavioral task
behavioral1
Sample
doc_pack-443676122.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
doc_pack-443676122.xls
Resource
win10v200722
General
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Target
doc_pack-443676122.xls
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Size
62KB
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MD5
d6e9f989c23caf48d88bc336ca9879ce
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SHA1
64e680d3ce100f8f13795d337d39801bb203874e
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SHA256
2f87f578a28d3a76fa06df25d40310e7bda77f107fc2f16d893b461417e89b6f
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SHA512
0d9ed42ab8cca15f315d564e80dd0ef2e970fb614387de659b0cd354b546efd92d97f5f28ff73a40dbf29c2c0de6066efbe9ca9145eb5cdacc6cf01893a7bd92
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 3644 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 1400 dwwin.exe 1400 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 3644 508 EXCEL.EXE 80 PID 508 wrote to memory of 3644 508 EXCEL.EXE 80 PID 3644 wrote to memory of 1400 3644 DW20.EXE 81 PID 3644 wrote to memory of 1400 3644 DW20.EXE 81
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-443676122.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 47362⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:3644 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 47363⤵
- Suspicious behavior: EnumeratesProcesses
PID:1400
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