Analysis
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max time kernel
139s -
max time network
142s -
platform
windows10_x64 -
resource
win10-en-20211208 -
submitted
12-01-2022 03:59
Behavioral task
behavioral1
Sample
e58cd1fc646d37b9fd8040d9f7f4110bb07cbdadb1f5dd4a55413acacd33807d.xls
Resource
win10-en-20211208
Behavioral task
behavioral2
Sample
e58cd1fc646d37b9fd8040d9f7f4110bb07cbdadb1f5dd4a55413acacd33807d.xls
Resource
win10-en-20211208
General
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Target
e58cd1fc646d37b9fd8040d9f7f4110bb07cbdadb1f5dd4a55413acacd33807d.xls
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Size
118KB
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MD5
0f2bd22e41ca408211f2fcfbf4d05645
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SHA1
e396920d9f3ddaa9c1c25325794dc1cc9d5d860f
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SHA256
e58cd1fc646d37b9fd8040d9f7f4110bb07cbdadb1f5dd4a55413acacd33807d
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SHA512
75de138b42573b73253ca721cc2727ffcf0e0ce4336866e8e952380b3749ec7064a65ae6984ecd0f3d00e8784f40a2e00fe00fd18b78a60b4b54e888aacdd3fb
Malware Config
Extracted
http://www.cuneytkocas.com/wp-content/VSnofpES1wO2CcVob/
http://towardsun.net/admin/BYGGkrYAnT/
http://k-antiques.jp/wp-includes/SCYdA6TLohYk2/
Signatures
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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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 2312 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
EXCEL.EXEpid process 2312 EXCEL.EXE 2312 EXCEL.EXE 2312 EXCEL.EXE 2312 EXCEL.EXE 2312 EXCEL.EXE 2312 EXCEL.EXE 2312 EXCEL.EXE 2312 EXCEL.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\e58cd1fc646d37b9fd8040d9f7f4110bb07cbdadb1f5dd4a55413acacd33807d.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2312