Analysis
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max time kernel
147s -
max time network
146s -
platform
windows10_x64 -
resource
win10-20220414-en -
submitted
07-07-2022 03:21
Behavioral task
behavioral1
Sample
326f7f2de755a6cf70bb8301ef29d10494393c8c0bad3493313e59bc752ff170.xls
Resource
win10-20220414-en
General
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Target
326f7f2de755a6cf70bb8301ef29d10494393c8c0bad3493313e59bc752ff170.xls
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Size
95KB
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MD5
0ae65908469d6a85a6aa1ee75e8098f9
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SHA1
4434767b4bb314a7ab87a576a4582a12fb4ed0f8
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SHA256
326f7f2de755a6cf70bb8301ef29d10494393c8c0bad3493313e59bc752ff170
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SHA512
74bbb3eb18dfecb2d774afb5b9b232441b52c7f40fdc9f0ea7e030d5555fd39808fe56a0e1980c5f27996eaa72604bd76f68c8bb1ffcc95185df89b7a0361dfc
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 4192 1500 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4672 1500 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1240 1500 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2976 1500 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 1500 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 1500 EXCEL.EXE 1500 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 1500 EXCEL.EXE 1500 EXCEL.EXE 1500 EXCEL.EXE 1500 EXCEL.EXE 1500 EXCEL.EXE 1500 EXCEL.EXE 1500 EXCEL.EXE 1500 EXCEL.EXE 1500 EXCEL.EXE 1500 EXCEL.EXE 1500 EXCEL.EXE 1500 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 1500 wrote to memory of 4192 1500 EXCEL.EXE regsvr32.exe PID 1500 wrote to memory of 4192 1500 EXCEL.EXE regsvr32.exe PID 1500 wrote to memory of 4672 1500 EXCEL.EXE regsvr32.exe PID 1500 wrote to memory of 4672 1500 EXCEL.EXE regsvr32.exe PID 1500 wrote to memory of 1240 1500 EXCEL.EXE regsvr32.exe PID 1500 wrote to memory of 1240 1500 EXCEL.EXE regsvr32.exe PID 1500 wrote to memory of 2976 1500 EXCEL.EXE regsvr32.exe PID 1500 wrote to memory of 2976 1500 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\326f7f2de755a6cf70bb8301ef29d10494393c8c0bad3493313e59bc752ff170.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/1240-251-0x0000000000000000-mapping.dmp
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memory/1500-115-0x00007FFE1F3F0000-0x00007FFE1F400000-memory.dmpFilesize
64KB
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memory/1500-116-0x00007FFE1F3F0000-0x00007FFE1F400000-memory.dmpFilesize
64KB
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memory/1500-117-0x00007FFE1F3F0000-0x00007FFE1F400000-memory.dmpFilesize
64KB
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memory/1500-118-0x00007FFE1F3F0000-0x00007FFE1F400000-memory.dmpFilesize
64KB
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memory/1500-127-0x00007FFE1B880000-0x00007FFE1B890000-memory.dmpFilesize
64KB
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memory/1500-128-0x00007FFE1B880000-0x00007FFE1B890000-memory.dmpFilesize
64KB
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memory/2976-254-0x0000000000000000-mapping.dmp
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memory/4192-249-0x0000000000000000-mapping.dmp
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memory/4672-250-0x0000000000000000-mapping.dmp