Analysis
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max time kernel
133s -
max time network
136s -
platform
windows10_x64 -
resource
win10 -
submitted
19/10/2020, 22:57
Static task
static1
Behavioral task
behavioral1
Sample
document-1186648928.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
document-1186648928.xls
Resource
win10
General
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Target
document-1186648928.xls
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Size
426KB
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MD5
a004cfc2bfdb6a276d884b6ba5dc50e9
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SHA1
19be298477a9ce3bae0c6ded7874ea977ef491b1
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SHA256
00218223d0dff88bf96b437f42fc4e7f7afb5e6ef7c0ec6b766d4a289d1ee508
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SHA512
a2a791b8105065b92bcaa7446cddf3475bc22119cff6b089db2bc2b22c96c718f2ff143ca84e79ae5a7023aae28ce5b825f3a900310f3f46e40657be89d387d1
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 1620 2808 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 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 Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 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 2808 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2808 EXCEL.EXE 2808 EXCEL.EXE 2092 dwwin.exe 2092 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 2808 EXCEL.EXE 2808 EXCEL.EXE 2808 EXCEL.EXE 2808 EXCEL.EXE 2808 EXCEL.EXE 2808 EXCEL.EXE 2808 EXCEL.EXE 2808 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2808 wrote to memory of 1620 2808 EXCEL.EXE 76 PID 2808 wrote to memory of 1620 2808 EXCEL.EXE 76 PID 1620 wrote to memory of 2092 1620 DW20.EXE 77 PID 1620 wrote to memory of 2092 1620 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-1186648928.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:2808 -
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:1620 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 44523⤵
- Suspicious behavior: EnumeratesProcesses
PID:2092
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