Analysis
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max time kernel
135s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
26-05-2024 00:40
Behavioral task
behavioral1
Sample
73c835431f1e6b7fa5df4844177dbb2a_JaffaCakes118.doc
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
73c835431f1e6b7fa5df4844177dbb2a_JaffaCakes118.doc
Resource
win10v2004-20240508-en
General
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Target
73c835431f1e6b7fa5df4844177dbb2a_JaffaCakes118.doc
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Size
201KB
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MD5
73c835431f1e6b7fa5df4844177dbb2a
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SHA1
9aa543f6d527fffcec26697d00570b77c9589e45
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SHA256
fba9ba4112dacc745d951a00f20c1e967bf78cbb318e947d695f08c42fb588c2
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SHA512
accb6a4505ee7c224c9c8245d0afbef846fbf718d00725e506f988a921d1b8a5e8c363a141694f8d22244b982e4fe5d93d96f98620584e4fbac353e4cdc7b69b
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SSDEEP
3072:f6W0a6xqvY3aODnPofS1eNVvv5ui9tMaRbe8OxM6Yy8DdAlzVH:gaGaODPgS1cvv5ntXwrGhW7H
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.
Processes:
DW20.EXEdescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process 840 1652 DW20.EXE WINWORD.EXE -
Checks processor information in registry 2 TTPs 6 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
WINWORD.EXEdwwin.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 dwwin.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz dwwin.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString dwwin.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE -
Enumerates system info in registry 2 TTPs 5 IoCs
Processes:
dwwin.exeWINWORD.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS dwwin.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU dwwin.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
Processes:
WINWORD.EXEpid process 1652 WINWORD.EXE 1652 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
WINWORD.EXEpid process 1652 WINWORD.EXE 1652 WINWORD.EXE 1652 WINWORD.EXE 1652 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
WINWORD.EXEpid process 1652 WINWORD.EXE 1652 WINWORD.EXE 1652 WINWORD.EXE 1652 WINWORD.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
WINWORD.EXEDW20.EXEdescription pid process target process PID 1652 wrote to memory of 840 1652 WINWORD.EXE DW20.EXE PID 1652 wrote to memory of 840 1652 WINWORD.EXE DW20.EXE PID 840 wrote to memory of 3204 840 DW20.EXE dwwin.exe PID 840 wrote to memory of 3204 840 DW20.EXE dwwin.exe
Processes
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C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\73c835431f1e6b7fa5df4844177dbb2a_JaffaCakes118.doc" /o ""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:1652 -
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:840 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 44523⤵
- Checks processor information in registry
- Enumerates system info in registry
PID:3204