Analysis
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max time kernel
86s -
max time network
145s -
platform
windows10_x64 -
resource
win10 -
submitted
19/10/2020, 22:59
Static task
static1
Behavioral task
behavioral1
Sample
document-1228451897.xls
Resource
win7
Behavioral task
behavioral2
Sample
document-1228451897.xls
Resource
win10
General
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Target
document-1228451897.xls
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Size
426KB
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MD5
eaaf00de6b668133f78d35929263e3b3
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SHA1
62aa5b24a2c630286d5fd976cfc6711086191036
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SHA256
387263eca6709fe13a308d9a746e2f30575efec50f024bc52b3963078139f538
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SHA512
e7f8f66ac53d6c09c18aa7b97bd3e76961c1edd9c90a0d473669740dd1242c673ae92c78df9f703fac5efdbad9a8c94beaa669994268464fa2cbbfa92a14ac99
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 1832 2720 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 2720 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2720 EXCEL.EXE 2720 EXCEL.EXE 1972 dwwin.exe 1972 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 2720 EXCEL.EXE 2720 EXCEL.EXE 2720 EXCEL.EXE 2720 EXCEL.EXE 2720 EXCEL.EXE 2720 EXCEL.EXE 2720 EXCEL.EXE 2720 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2720 wrote to memory of 1832 2720 EXCEL.EXE 76 PID 2720 wrote to memory of 1832 2720 EXCEL.EXE 76 PID 1832 wrote to memory of 1972 1832 DW20.EXE 77 PID 1832 wrote to memory of 1972 1832 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-1228451897.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:2720 -
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 44482⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:1832 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 44483⤵
- Suspicious behavior: EnumeratesProcesses
PID:1972
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