Analysis
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max time kernel
17s -
max time network
132s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
20/10/2020, 23:09
Static task
static1
Behavioral task
behavioral1
Sample
doc_pack-603059085.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
doc_pack-603059085.xls
Resource
win10v200722
General
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Target
doc_pack-603059085.xls
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Size
62KB
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MD5
50c93f523a371787eb45c6809f6d8b83
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SHA1
c9799a1e21c0bbb00c0369e65ba99b4e835a8bb3
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SHA256
be9b1956dbaf6f5cfb5a11343f3c662fd539a94d2e9e58be58da5bd1cc81a792
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SHA512
8f29f1b6bd9b0de022d28d0c24e89dbb46864abe85f46b44f90ae2e0d1879dc0329754ac5dc0b386e16e0a85692acefb949924d0002980fc2b9a1787d7a02447
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 2108 3576 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 3576 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3576 EXCEL.EXE 3576 EXCEL.EXE 2324 dwwin.exe 2324 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3576 EXCEL.EXE 3576 EXCEL.EXE 3576 EXCEL.EXE 3576 EXCEL.EXE 3576 EXCEL.EXE 3576 EXCEL.EXE 3576 EXCEL.EXE 3576 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3576 wrote to memory of 2108 3576 EXCEL.EXE 72 PID 3576 wrote to memory of 2108 3576 EXCEL.EXE 72 PID 2108 wrote to memory of 2324 2108 DW20.EXE 73 PID 2108 wrote to memory of 2324 2108 DW20.EXE 73
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-603059085.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:3576 -
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 44882⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:2108 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 44883⤵
- Suspicious behavior: EnumeratesProcesses
PID:2324
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