Analysis
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max time kernel
10s -
max time network
130s -
platform
windows10_x64 -
resource
win10 -
submitted
19/10/2020, 22:57
Static task
static1
Behavioral task
behavioral1
Sample
document-1062759035.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
document-1062759035.xls
Resource
win10
General
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Target
document-1062759035.xls
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Size
426KB
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MD5
83bbeed5e6676bdd8a504515efcd526a
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SHA1
16e7977907a099fa2c83702ce1c83c0636f3d707
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SHA256
d9b5e7443c3d48d18c5da2ce0dbd958cdc6eac082bede6ba35a8531a5a39470e
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SHA512
40eabdf9e41d6c64b3bbc88cc84aa5f660159a539defca26635edf8ff0c3fa87055c3da2d05bdfd8d3febd957aa98c4bae43debbf3b411972c1ac5babb4c3076
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 2324 4036 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 4036 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4036 EXCEL.EXE 4036 EXCEL.EXE 2696 dwwin.exe 2696 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 4036 EXCEL.EXE 4036 EXCEL.EXE 4036 EXCEL.EXE 4036 EXCEL.EXE 4036 EXCEL.EXE 4036 EXCEL.EXE 4036 EXCEL.EXE 4036 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4036 wrote to memory of 2324 4036 EXCEL.EXE 77 PID 4036 wrote to memory of 2324 4036 EXCEL.EXE 77 PID 2324 wrote to memory of 2696 2324 DW20.EXE 78 PID 2324 wrote to memory of 2696 2324 DW20.EXE 78
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-1062759035.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:4036 -
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 44282⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:2324 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 44283⤵
- Suspicious behavior: EnumeratesProcesses
PID:2696
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