Analysis
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max time kernel
81s -
max time network
152s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
20/10/2020, 22:22
Static task
static1
Behavioral task
behavioral1
Sample
doc_pack-337209304.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
doc_pack-337209304.xls
Resource
win10v200722
General
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Target
doc_pack-337209304.xls
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Size
62KB
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MD5
9a9195c59771a62a8e643eafc8456a89
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SHA1
62a22dc7687e86ad3d5b2819ba9a5934a06505af
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SHA256
34af9041ca7ebdf75b53dece9cf3e6170b53f386b98e3d02b5672aea1de56b0d
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SHA512
1666da3247620f6a923d86f2fb5c8e1e8c32a71218504e2a42b7bb10417a7bd93de619f46796dc0bf11084efe9ee744db784de535967c5a045e90b0d39813a07
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 3160 3888 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 3888 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3888 EXCEL.EXE 3888 EXCEL.EXE 4084 dwwin.exe 4084 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3888 EXCEL.EXE 3888 EXCEL.EXE 3888 EXCEL.EXE 3888 EXCEL.EXE 3888 EXCEL.EXE 3888 EXCEL.EXE 3888 EXCEL.EXE 3888 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3888 wrote to memory of 3160 3888 EXCEL.EXE 76 PID 3888 wrote to memory of 3160 3888 EXCEL.EXE 76 PID 3160 wrote to memory of 4084 3160 DW20.EXE 77 PID 3160 wrote to memory of 4084 3160 DW20.EXE 77
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-337209304.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:3888 -
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 29282⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:3160 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 29283⤵
- Suspicious behavior: EnumeratesProcesses
PID:4084
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