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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
11/11/2024, 21:23
Behavioral task
behavioral1
Sample
793e3fc3c343afe9056a0467cbdeea928bc849792448a62f21c8cc5df1cf98d4.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
793e3fc3c343afe9056a0467cbdeea928bc849792448a62f21c8cc5df1cf98d4.xls
Resource
win10v2004-20241007-en
General
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Target
793e3fc3c343afe9056a0467cbdeea928bc849792448a62f21c8cc5df1cf98d4.xls
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Size
91KB
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MD5
d5f98607ac5dbd63c6c90f02b26056ab
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SHA1
f29d0690fca2ad5704e49cc919a8503b7c826a1f
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SHA256
793e3fc3c343afe9056a0467cbdeea928bc849792448a62f21c8cc5df1cf98d4
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SHA512
bb6c73cd18c46853527fc1cef21e52d0a0e8152e1d33b0d4ecb8a69edb0806e5aa0118755692086ca82c9cbaf0e5852125b5d1224b5b8682cb2ef1679dbe17fc
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SSDEEP
1536:eKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgCbCXuZH4gb4CEn9J4ZCL5:eKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgJ
Malware Config
Extracted
http://helpeve.com/wp-admin/sOdeuF1c4DV2h/
http://christplanet.com/wp-admin/maint/mtlsi/TxsAE7TAAb/
http://www.chawkyfrenn.com/icon/LRWYSefRL7/
http://chist.com/dir-/N5zALqqTmf/
Signatures
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Process spawned unexpected child process 4 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 1868 4356 regsvr32.exe 82 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 5080 4356 regsvr32.exe 82 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4516 4356 regsvr32.exe 82 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4912 4356 regsvr32.exe 82 -
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 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
pid Process 4356 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4356 EXCEL.EXE 4356 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 4356 EXCEL.EXE 4356 EXCEL.EXE 4356 EXCEL.EXE 4356 EXCEL.EXE 4356 EXCEL.EXE 4356 EXCEL.EXE 4356 EXCEL.EXE 4356 EXCEL.EXE 4356 EXCEL.EXE 4356 EXCEL.EXE 4356 EXCEL.EXE 4356 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4356 wrote to memory of 1868 4356 EXCEL.EXE 84 PID 4356 wrote to memory of 1868 4356 EXCEL.EXE 84 PID 4356 wrote to memory of 5080 4356 EXCEL.EXE 89 PID 4356 wrote to memory of 5080 4356 EXCEL.EXE 89 PID 4356 wrote to memory of 4516 4356 EXCEL.EXE 94 PID 4356 wrote to memory of 4516 4356 EXCEL.EXE 94 PID 4356 wrote to memory of 4912 4356 EXCEL.EXE 96 PID 4356 wrote to memory of 4912 4356 EXCEL.EXE 96
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\793e3fc3c343afe9056a0467cbdeea928bc849792448a62f21c8cc5df1cf98d4.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:4356 -
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx2⤵
- Process spawned unexpected child process
PID:1868
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx2⤵
- Process spawned unexpected child process
PID:5080
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx2⤵
- Process spawned unexpected child process
PID:4516
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx2⤵
- Process spawned unexpected child process
PID:4912
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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
Filesize671B
MD573e158a7ffa8990f463eedffa32dfaa0
SHA1d7ce7add81dcf843fd07a7cd80c2535fb03a00b9
SHA25623a54cc321b36c2c20a25408ddd04bb0831b9aec477a7ded4279a5e7469bd45f
SHA512aab5c910d7c280de7851bcddf76496a732a51a500968d1fa3ca3c60eeb7c331a4705614eb044e6f7268fc5db28153c7370bd2e226b6b42105830e4899c442f42