Analysis
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max time kernel
147s -
max time network
146s -
platform
windows10_x64 -
resource
win10 -
submitted
19/10/2020, 22:57
Static task
static1
Behavioral task
behavioral1
Sample
document-1241247499.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
document-1241247499.xls
Resource
win10
General
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Target
document-1241247499.xls
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Size
426KB
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MD5
add2876b1047fcb5423e3799a5b720e2
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SHA1
f04468344a5589fa0c53c7d5fd0911444d5a4b93
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SHA256
460ef6856f344414933fd4ca036f8d992cad2db1ef5496a6142570ee67e28721
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SHA512
692b5c174bb4b20ac3842bf39fd8ff022cdffb8a48070cc24ee636c3e8be9d454c1791db773549dd57519da709dabe49b2ca6987deccbdec18597f857fc7ac89
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 2172 3828 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 3828 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3828 EXCEL.EXE 3828 EXCEL.EXE 2216 dwwin.exe 2216 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3828 EXCEL.EXE 3828 EXCEL.EXE 3828 EXCEL.EXE 3828 EXCEL.EXE 3828 EXCEL.EXE 3828 EXCEL.EXE 3828 EXCEL.EXE 3828 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3828 wrote to memory of 2172 3828 EXCEL.EXE 76 PID 3828 wrote to memory of 2172 3828 EXCEL.EXE 76 PID 2172 wrote to memory of 2216 2172 DW20.EXE 77 PID 2172 wrote to memory of 2216 2172 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-1241247499.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:3828 -
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 44482⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:2172 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 44483⤵
- Suspicious behavior: EnumeratesProcesses
PID:2216
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