Analysis
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max time kernel
10s -
max time network
136s -
platform
windows10_x64 -
resource
win10 -
submitted
19/10/2020, 22:58
Static task
static1
Behavioral task
behavioral1
Sample
document-1189519453.xls
Resource
win7
Behavioral task
behavioral2
Sample
document-1189519453.xls
Resource
win10
General
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Target
document-1189519453.xls
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Size
426KB
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MD5
d10781a37f68dd4ffaf2eda3a8ae2bce
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SHA1
aaf84c3f5e9a819d2b7ce1f6cdbc1cdeea51d91f
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SHA256
de1802c0e657f46e039a931459f2d0741baf222b6019ae9e1ece06039cbd94ba
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SHA512
78be368aed0f27f3a9838b5923f2e524221873d6b812622664070e3ebd5875612ddedb7941877c0f55731c453520ece4aeaa1da64a4da532a152e671fba6bc66
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 2272 1536 DW20.EXE 66 -
Checks processor information in registry 2 TTPs 2 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 -
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 1536 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1536 EXCEL.EXE 1536 EXCEL.EXE 2564 dwwin.exe 2564 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 1536 EXCEL.EXE 1536 EXCEL.EXE 1536 EXCEL.EXE 1536 EXCEL.EXE 1536 EXCEL.EXE 1536 EXCEL.EXE 1536 EXCEL.EXE 1536 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1536 wrote to memory of 2272 1536 EXCEL.EXE 76 PID 1536 wrote to memory of 2272 1536 EXCEL.EXE 76 PID 2272 wrote to memory of 2564 2272 DW20.EXE 77 PID 2272 wrote to memory of 2564 2272 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\document-1189519453.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:1536 -
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 44322⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:2272 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 44323⤵
- Suspicious behavior: EnumeratesProcesses
PID:2564
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