Analysis
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max time kernel
9s -
max time network
127s -
platform
windows10_x64 -
resource
win10 -
submitted
20/10/2020, 22:28
Static task
static1
Behavioral task
behavioral1
Sample
doc_pack-406621654.xls
Resource
win7
Behavioral task
behavioral2
Sample
doc_pack-406621654.xls
Resource
win10
General
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Target
doc_pack-406621654.xls
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Size
62KB
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MD5
cfc27483e681ebd9ca0da8f04a4babfa
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SHA1
e2a4db7e86370ae406103804110169b59cf60f07
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SHA256
df4d2276d37f3650210762ef80f4609a29549c892b512790fd684e03c2c91082
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SHA512
c0f345ca060409840a42d7951550c3f6a6bcc72e5d26b1ea4faf3318bb47a8c4620d5c5a85220d5ea5fa5214ebd6614230dad69d84eea1ec5c3634d8a1db856d
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 1488 3888 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 3888 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3888 EXCEL.EXE 3888 EXCEL.EXE 2076 dwwin.exe 2076 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 1488 3888 EXCEL.EXE 77 PID 3888 wrote to memory of 1488 3888 EXCEL.EXE 77 PID 1488 wrote to memory of 2076 1488 DW20.EXE 78 PID 1488 wrote to memory of 2076 1488 DW20.EXE 78
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-406621654.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 44762⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:1488 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 44763⤵
- Suspicious behavior: EnumeratesProcesses
PID:2076
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