Analysis
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max time kernel
147s -
max time network
149s -
platform
windows10_x64 -
resource
win10 -
submitted
20/10/2020, 22:25
Static task
static1
Behavioral task
behavioral1
Sample
doc_pack-337889751.xls
Resource
win7
Behavioral task
behavioral2
Sample
doc_pack-337889751.xls
Resource
win10
General
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Target
doc_pack-337889751.xls
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Size
62KB
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MD5
e3e76f277ba97aa1d353eebfeef2cf26
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SHA1
2b450f30396f4a85dedb65b39637697c1a1956c7
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SHA256
d5b4d040dc953063157e27475f76cee9995f3baf362146531bbcc95ef4a68cfa
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SHA512
0e5f077ef4dc4586211b7f457e17eeef9f6ef067b65b1a2c93430270f97bf3933a76af479022c6c898edb7aceb4b89543c721bc106f548407cb587bc272a7d10
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 1784 2460 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 2460 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2460 EXCEL.EXE 2460 EXCEL.EXE 1992 dwwin.exe 1992 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 2460 EXCEL.EXE 2460 EXCEL.EXE 2460 EXCEL.EXE 2460 EXCEL.EXE 2460 EXCEL.EXE 2460 EXCEL.EXE 2460 EXCEL.EXE 2460 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2460 wrote to memory of 1784 2460 EXCEL.EXE 76 PID 2460 wrote to memory of 1784 2460 EXCEL.EXE 76 PID 1784 wrote to memory of 1992 1784 DW20.EXE 77 PID 1784 wrote to memory of 1992 1784 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\doc_pack-337889751.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:2460 -
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 44642⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:1784 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 44643⤵
- Suspicious behavior: EnumeratesProcesses
PID:1992
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