Analysis
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max time kernel
133s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
20-11-2024 22:57
Behavioral task
behavioral1
Sample
374f364d444f1be80ef14826d16c8850bb4f4aa87f1a329bed932f4ae5432618.xls
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
374f364d444f1be80ef14826d16c8850bb4f4aa87f1a329bed932f4ae5432618.xls
Resource
win10v2004-20241007-en
General
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Target
374f364d444f1be80ef14826d16c8850bb4f4aa87f1a329bed932f4ae5432618.xls
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Size
101KB
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MD5
4704b2d76974e75799b325aec09ac2c1
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SHA1
234d7550b75af09d8481b0cd5453755313f5c7b7
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SHA256
374f364d444f1be80ef14826d16c8850bb4f4aa87f1a329bed932f4ae5432618
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SHA512
feb072c0e5f21994dd9f9dd5d793793ab39423484b72aa684cc2edae39ef49fcb0adb1d4ea5a3edd0d9166ceddcf8e773907d488e079c94599fe416f0c413480
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SSDEEP
3072:+Kpb8rGYrMPe3q7Q0XV5xtezE8vG8UM+MbOBzbq0f6RlD9fxW8s8OA:+Kpb8rGYrMPe3q7Q0XV5xtuE8vG8UM+U
Malware Config
Extracted
http://dlfreight.com/wp-includes/zLuZdtVkoriGTaRE/
http://hadramout21.com/jetpack-temp/KjOqTnCwBbVrz8w/
http://groupesther.com/wp-admin/2hhcMwfOG0aRi1t/
http://datainline.com/aspnet_client/56LwAJvy/
http://greycoconut.com/edm/0ywf2bF/
Signatures
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Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2428 5072 regsvr32.exe 82 -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe -
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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 5072 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 5072 EXCEL.EXE 5072 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 5072 EXCEL.EXE 5072 EXCEL.EXE 5072 EXCEL.EXE 5072 EXCEL.EXE 5072 EXCEL.EXE 5072 EXCEL.EXE 5072 EXCEL.EXE 5072 EXCEL.EXE 5072 EXCEL.EXE 5072 EXCEL.EXE 5072 EXCEL.EXE 5072 EXCEL.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5072 wrote to memory of 2428 5072 EXCEL.EXE 95 PID 5072 wrote to memory of 2428 5072 EXCEL.EXE 95 PID 5072 wrote to memory of 2428 5072 EXCEL.EXE 95
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\374f364d444f1be80ef14826d16c8850bb4f4aa87f1a329bed932f4ae5432618.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5072 -
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe -s ..\txdn.dll2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:2428
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
Filesize3KB
MD5d1614b90ebd1ce47897b348677c2641d
SHA18b01576224053d3de8035a6c605c0457b109b487
SHA256d2ce62855c4606683e121430323511837ee8422272249b89b0ba73e7278924f1
SHA5129033da807ed1d13e53d4a5fe5364ab657ee8a20d814aa5ad3ff567acfcf0f72e4df5e3126adc49ccca38150e728c0b5e9df31f846b0d41c550d6e15a71a4af38
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Filesize
36KB
MD53b79e62476916ff33ddc0668a0898e6d
SHA1fe4f73a8019a0407cec5e2eb0c344adc4ab73bae
SHA256418099d0e61f486fc52144bd0b16c8833b893eb9203163835c59045ca9782b81
SHA5123b42ec3d6c8d68824e43ea8bd0b62c4434fd995f8dc93c3a278e229168b080c5920b226c02236bd98cd7ddadab19536dd05a4e4f35323393ac9ef766b0759bfa