Analysis
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max time kernel
12s -
max time network
130s -
platform
windows10_x64 -
resource
win10 -
submitted
19/10/2020, 23:32
Static task
static1
Behavioral task
behavioral1
Sample
document-1428073174.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
document-1428073174.xls
Resource
win10
General
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Target
document-1428073174.xls
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Size
426KB
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MD5
980d4a897e882734213991995b8c09d4
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SHA1
b355ac4c5a32a78bc8885c35fbee6e1239a5c973
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SHA256
c7f92005288ecf85654e837cb924dad096c15fe9d153988b2b26e683fcd5fd87
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SHA512
96e8434410a97143f008bd15e3e97aefcb5a215e6630df35b8e2a208ce18917b08f9a5cadf3c01d5da5f24008e020e3fdb7e905b7617de973d22409b15392af7
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 3448 3900 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 3900 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3900 EXCEL.EXE 3900 EXCEL.EXE 1644 dwwin.exe 1644 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3900 EXCEL.EXE 3900 EXCEL.EXE 3900 EXCEL.EXE 3900 EXCEL.EXE 3900 EXCEL.EXE 3900 EXCEL.EXE 3900 EXCEL.EXE 3900 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3900 wrote to memory of 3448 3900 EXCEL.EXE 76 PID 3900 wrote to memory of 3448 3900 EXCEL.EXE 76 PID 3448 wrote to memory of 1644 3448 DW20.EXE 77 PID 3448 wrote to memory of 1644 3448 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-1428073174.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:3900 -
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 44522⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:3448 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 44523⤵
- Suspicious behavior: EnumeratesProcesses
PID:1644
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