Analysis
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max time kernel
71s -
max time network
152s -
platform
windows10_x64 -
resource
win10 -
submitted
19/10/2020, 22:57
Static task
static1
Behavioral task
behavioral1
Sample
document-1162579452.xls
Resource
win7
Behavioral task
behavioral2
Sample
document-1162579452.xls
Resource
win10
General
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Target
document-1162579452.xls
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Size
426KB
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MD5
91632ea46520d29ed7a36e4143a3c31d
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SHA1
f78a8250b4482b790f2b3a0b1300a2ed11023c55
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SHA256
4be68f0ff96802e5370a027ee75802698791e2d8bc6b0dae69840d390fc28884
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SHA512
c6fbb8e16e8826d20140e4bbca125f2109bbf4e80a5d7917c71e342aa9fb1ed04272871f98970325198c23c8c83bc668ad0b7ded75da49961b12ecd52dc126d7
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 1432 3056 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 3056 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3056 EXCEL.EXE 3056 EXCEL.EXE 2888 dwwin.exe 2888 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3056 EXCEL.EXE 3056 EXCEL.EXE 3056 EXCEL.EXE 3056 EXCEL.EXE 3056 EXCEL.EXE 3056 EXCEL.EXE 3056 EXCEL.EXE 3056 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3056 wrote to memory of 1432 3056 EXCEL.EXE 78 PID 3056 wrote to memory of 1432 3056 EXCEL.EXE 78 PID 1432 wrote to memory of 2888 1432 DW20.EXE 80 PID 1432 wrote to memory of 2888 1432 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\document-1162579452.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:3056 -
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 46682⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:1432 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 46683⤵
- Suspicious behavior: EnumeratesProcesses
PID:2888
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