Analysis
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max time kernel
127s -
max time network
130s -
platform
windows10_x64 -
resource
win10-20220414-en -
submitted
07-07-2022 04:24
Behavioral task
behavioral1
Sample
64ed2086756dc9182af7b7c48a7555382105eda09db496d6be0dfb703d5979ab.xls
Resource
win10-20220414-en
General
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Target
64ed2086756dc9182af7b7c48a7555382105eda09db496d6be0dfb703d5979ab.xls
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Size
95KB
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MD5
21db9a15033232c8de2741a7dfa350b1
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SHA1
2436629f905b691f262d30fe5541d29e3d94e226
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SHA256
64ed2086756dc9182af7b7c48a7555382105eda09db496d6be0dfb703d5979ab
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SHA512
c23b3469b9bd9cedd69d6eea670b455a864334c1503d3181db2cc33801d61db8f58e94366bf63764ba36af6f87b08eda119507ddd9bb5927f0791916b2ef3c02
Malware Config
Extracted
http://www.sunflowerlaboratory.in/fonts/79Tq62ly/
http://dirigent.co.uk/vardagsekonomi/iC36jJ4J1cf/
http://agtrade.hu/images/kiQYmOs2tSKq/
https://www.zachboyle.com/wp-admin/EA470ZrTGNkuA/
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.
Processes:
regsvr32.exeregsvr32.exeregsvr32.exeregsvr32.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1332 1484 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 364 1484 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1436 1484 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3500 1484 regsvr32.exe EXCEL.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 1484 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 1484 EXCEL.EXE 1484 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 1484 EXCEL.EXE 1484 EXCEL.EXE 1484 EXCEL.EXE 1484 EXCEL.EXE 1484 EXCEL.EXE 1484 EXCEL.EXE 1484 EXCEL.EXE 1484 EXCEL.EXE 1484 EXCEL.EXE 1484 EXCEL.EXE 1484 EXCEL.EXE 1484 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 1484 wrote to memory of 1332 1484 EXCEL.EXE regsvr32.exe PID 1484 wrote to memory of 1332 1484 EXCEL.EXE regsvr32.exe PID 1484 wrote to memory of 364 1484 EXCEL.EXE regsvr32.exe PID 1484 wrote to memory of 364 1484 EXCEL.EXE regsvr32.exe PID 1484 wrote to memory of 1436 1484 EXCEL.EXE regsvr32.exe PID 1484 wrote to memory of 1436 1484 EXCEL.EXE regsvr32.exe PID 1484 wrote to memory of 3500 1484 EXCEL.EXE regsvr32.exe PID 1484 wrote to memory of 3500 1484 EXCEL.EXE regsvr32.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\64ed2086756dc9182af7b7c48a7555382105eda09db496d6be0dfb703d5979ab.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
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci1.ocx2⤵
- Process spawned unexpected child process
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci2.ocx2⤵
- Process spawned unexpected child process
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci3.ocx2⤵
- Process spawned unexpected child process
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci4.ocx2⤵
- Process spawned unexpected child process
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/364-270-0x0000000000000000-mapping.dmp
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memory/1332-269-0x0000000000000000-mapping.dmp
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memory/1436-271-0x0000000000000000-mapping.dmp
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memory/1484-122-0x00007FFF613E0000-0x00007FFF613F0000-memory.dmpFilesize
64KB
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memory/1484-131-0x00007FFF5E190000-0x00007FFF5E1A0000-memory.dmpFilesize
64KB
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memory/1484-132-0x00007FFF5E190000-0x00007FFF5E1A0000-memory.dmpFilesize
64KB
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memory/1484-119-0x00007FFF613E0000-0x00007FFF613F0000-memory.dmpFilesize
64KB
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memory/1484-121-0x00007FFF613E0000-0x00007FFF613F0000-memory.dmpFilesize
64KB
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memory/1484-120-0x00007FFF613E0000-0x00007FFF613F0000-memory.dmpFilesize
64KB
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memory/1484-311-0x00007FFF613E0000-0x00007FFF613F0000-memory.dmpFilesize
64KB
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memory/1484-312-0x00007FFF613E0000-0x00007FFF613F0000-memory.dmpFilesize
64KB
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memory/1484-313-0x00007FFF613E0000-0x00007FFF613F0000-memory.dmpFilesize
64KB
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memory/1484-314-0x00007FFF613E0000-0x00007FFF613F0000-memory.dmpFilesize
64KB
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memory/3500-274-0x0000000000000000-mapping.dmp