Analysis
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max time kernel
150s -
max time network
147s -
platform
windows10-1703_x64 -
resource
win10-20220901-en -
resource tags
arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system -
submitted
09/11/2022, 19:04
Behavioral task
behavioral1
Sample
fe996f7a16c72bb3a849d07f6bd36bdecf5f09a46c3be6c04f858c02c062aa92.xls
Resource
win10-20220901-en
Behavioral task
behavioral2
Sample
fe996f7a16c72bb3a849d07f6bd36bdecf5f09a46c3be6c04f858c02c062aa92.xls
Resource
win10-20220812-en
General
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Target
fe996f7a16c72bb3a849d07f6bd36bdecf5f09a46c3be6c04f858c02c062aa92.xls
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Size
91KB
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MD5
5d96abd7680cdbc4ae1f09c3c2381518
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SHA1
7c14dac8099c202b216cd7c201bd2471c6c2ad81
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SHA256
fe996f7a16c72bb3a849d07f6bd36bdecf5f09a46c3be6c04f858c02c062aa92
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SHA512
c949d98536a2395dbdbbc01142ef7b90a65a3b6af0935a6cc255d0515f0eb74a52780812c7ebd3f64fa79e4b2230f150dd7de4eb19cc8f10840dfbc05099e319
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SSDEEP
1536:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg2bCXuZH4gb4CEn9J4Zacvp:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgy
Malware Config
Extracted
http://bundlefilm.com/headers/lkfBH3Czw9CjEW07P2/
http://camsanparke.net/wp-content/h2Ja5bwB03hnyfCb/
http://royreid.co.uk/wp-content/dCwG/
https://cs.com.sg/admin/a1lR5wu/
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 4956 2864 regsvr32.exe 65 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3392 2864 regsvr32.exe 65 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4892 2864 regsvr32.exe 65 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3648 2864 regsvr32.exe 65 -
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 2864 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 2864 EXCEL.EXE 2864 EXCEL.EXE 2864 EXCEL.EXE 2864 EXCEL.EXE 2864 EXCEL.EXE 2864 EXCEL.EXE 2864 EXCEL.EXE 2864 EXCEL.EXE 2864 EXCEL.EXE 2864 EXCEL.EXE 2864 EXCEL.EXE 2864 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2864 wrote to memory of 4956 2864 EXCEL.EXE 68 PID 2864 wrote to memory of 4956 2864 EXCEL.EXE 68 PID 2864 wrote to memory of 3392 2864 EXCEL.EXE 69 PID 2864 wrote to memory of 3392 2864 EXCEL.EXE 69 PID 2864 wrote to memory of 4892 2864 EXCEL.EXE 70 PID 2864 wrote to memory of 4892 2864 EXCEL.EXE 70 PID 2864 wrote to memory of 3648 2864 EXCEL.EXE 71 PID 2864 wrote to memory of 3648 2864 EXCEL.EXE 71
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\fe996f7a16c72bb3a849d07f6bd36bdecf5f09a46c3be6c04f858c02c062aa92.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2864 -
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx2⤵
- Process spawned unexpected child process
PID:4956
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx2⤵
- Process spawned unexpected child process
PID:3392
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx2⤵
- Process spawned unexpected child process
PID:4892
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx2⤵
- Process spawned unexpected child process
PID:3648
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