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Analysis
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max time kernel
114s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
01/01/2024, 22:01
Static task
static1
Behavioral task
behavioral1
Sample
3dfd7a05888079316ce4d1e98b764ac0.xlsm
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
3dfd7a05888079316ce4d1e98b764ac0.xlsm
Resource
win10v2004-20231215-en
General
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Target
3dfd7a05888079316ce4d1e98b764ac0.xlsm
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Size
6KB
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MD5
3dfd7a05888079316ce4d1e98b764ac0
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SHA1
44f73eef6152576b3e577ac205b88cd008e28df8
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SHA256
4fd0627e41ee9246f051cdc8765e01a0693bbb1fae8737d6bb365abd5e9afec9
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SHA512
294d4b8ebd5b90f1fa031c9d0a78b0198fd4d4f2d9fdc359073ed55b42420055ddb5add0354207f25ebf5fbea0f471afca698cb5d8a59acf8a60102e60e41627
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SSDEEP
192:NDS6uSgbrA2OmmfRX8UhHFBFYuJb98yga+G:NBuxM2wN1FYIb98ygG
Malware Config
Extracted
http://46.17.98.187/index.php
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 5084 448 DW20.EXE 14 -
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 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 -
Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS dwwin.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU dwwin.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 448 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 448 EXCEL.EXE 448 EXCEL.EXE 448 EXCEL.EXE 448 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 448 EXCEL.EXE 448 EXCEL.EXE 448 EXCEL.EXE 448 EXCEL.EXE 448 EXCEL.EXE 448 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 448 wrote to memory of 5084 448 EXCEL.EXE 89 PID 448 wrote to memory of 5084 448 EXCEL.EXE 89 PID 5084 wrote to memory of 1552 5084 DW20.EXE 90 PID 5084 wrote to memory of 1552 5084 DW20.EXE 90
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\3dfd7a05888079316ce4d1e98b764ac0.xlsm"1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:448 -
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 36762⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:5084 -
C:\Windows\system32\dwwin.exeC:\Windows\system32\dwwin.exe -x -s 36763⤵
- Checks processor information in registry
- Enumerates system info in registry
PID:1552
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