Analysis
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max time kernel
88s -
max time network
155s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
19/10/2020, 23:32
Static task
static1
Behavioral task
behavioral1
Sample
document-1296073206.xls
Resource
win7
Behavioral task
behavioral2
Sample
document-1296073206.xls
Resource
win10v200722
General
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Target
document-1296073206.xls
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Size
426KB
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MD5
ff090433cf71fc6e6d70a3df221bdf5d
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SHA1
e3deee74fa4054ff1bfd5a06b4bcdbdceeb6657c
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SHA256
099a0c33e5b78267c626ede1e97b148f2d5259cb36b8d622fa05dae305f1bcbb
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SHA512
0437fca2242ec7397ebe02ea0b5ce9eaf0516bc15cfef3deabf90ec19c2394693e7210d5f1d7f1a3d066109b2d62ae08b4f9f12254491c904b5e566cf69c294a
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 1948 3288 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 3288 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3288 EXCEL.EXE 3288 EXCEL.EXE 1496 dwwin.exe 1496 dwwin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 3288 EXCEL.EXE 3288 EXCEL.EXE 3288 EXCEL.EXE 3288 EXCEL.EXE 3288 EXCEL.EXE 3288 EXCEL.EXE 3288 EXCEL.EXE 3288 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3288 wrote to memory of 1948 3288 EXCEL.EXE 79 PID 3288 wrote to memory of 1948 3288 EXCEL.EXE 79 PID 1948 wrote to memory of 1496 1948 DW20.EXE 80 PID 1948 wrote to memory of 1496 1948 DW20.EXE 80
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-1296073206.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:3288 -
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 47042⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:1948 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 47043⤵
- Suspicious behavior: EnumeratesProcesses
PID:1496
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