Analysis
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max time kernel
17s -
max time network
129s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
19/10/2020, 22:58
Static task
static1
Behavioral task
behavioral1
Sample
document-1203982983.xls
Resource
win7
Behavioral task
behavioral2
Sample
document-1203982983.xls
Resource
win10v200722
General
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Target
document-1203982983.xls
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Size
426KB
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MD5
afb16ba270449df543ffbf12bb2f2875
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SHA1
9f0f71654acd70274bd4cc43e93e3f710dc313a3
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SHA256
d7cb74323dd992c0c383f0da0785e9dbc2f7a631a8d3fc8b46ae16b6c611b1b5
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SHA512
c57c35c1570e90605a3f4cd961da32dcb248d2a4e38d10973c1f8e3b90ef949d5392f407b85ccbcc933bb80f16e7764aeafd6833902c51cedb169094327877a2
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 2068 2228 DW20.EXE 65 -
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 2228 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2228 EXCEL.EXE 2228 EXCEL.EXE 2308 dwwin.exe 2308 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 2228 EXCEL.EXE 2228 EXCEL.EXE 2228 EXCEL.EXE 2228 EXCEL.EXE 2228 EXCEL.EXE 2228 EXCEL.EXE 2228 EXCEL.EXE 2228 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2228 wrote to memory of 2068 2228 EXCEL.EXE 73 PID 2228 wrote to memory of 2068 2228 EXCEL.EXE 73 PID 2068 wrote to memory of 2308 2068 DW20.EXE 74 PID 2068 wrote to memory of 2308 2068 DW20.EXE 74
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-1203982983.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:2228 -
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:2068 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 44523⤵
- Suspicious behavior: EnumeratesProcesses
PID:2308
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