Analysis
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max time kernel
95s -
max time network
124s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
11-03-2021 16:32
Behavioral task
behavioral1
Sample
Cancellation-1376764675-03112021.xls
Resource
win7v20201028
Behavioral task
behavioral2
Sample
Cancellation-1376764675-03112021.xls
Resource
win10v20201028
General
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Target
Cancellation-1376764675-03112021.xls
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Size
277KB
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MD5
40a5aaddd126b30b64265ac529798bd0
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SHA1
ca0f058f2aa9cc2038cf62efd14d5eb82feaaebd
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SHA256
53762e0edac9d950447b9c55d53b1aa224e8903f69a6f6fa1fe6eb76c3171365
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SHA512
fa6ef43ce56147e7f5a64dd0b612884dabc19ecb4c5cca40219e3d80db6da2990f39d778b442b3f55e20ba0d0109eebfbdf439a4826b90e424cfbf376d4a53b4
Malware Config
Extracted
http://195.123.220.67/44266.6916006944.dat
http://45.150.67.127/44266.6916006944.dat
http://181.215.47.82/44266.6916006944.dat
http://reynare.com/sbazaa/44266.6916006944.dat
http://hosting152231.a2e16.netcup.net/zhrzoxxo/44266.6916006944.dat
Signatures
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Process spawned unexpected child process 5 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
rundll32.exerundll32.exerundll32.exerundll32.exerundll32.exedescription pid pid_target process target process Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1512 776 rundll32.exe EXCEL.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1144 776 rundll32.exe EXCEL.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 456 776 rundll32.exe EXCEL.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1620 776 rundll32.exe EXCEL.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 912 776 rundll32.exe EXCEL.EXE -
Enumerates system info in registry 2 TTPs 1 IoCs
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE -
Processes:
EXCEL.EXEdescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 776 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
EXCEL.EXEpid process 776 EXCEL.EXE 776 EXCEL.EXE 776 EXCEL.EXE -
Suspicious use of WriteProcessMemory 35 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 776 wrote to memory of 1512 776 EXCEL.EXE rundll32.exe PID 776 wrote to memory of 1512 776 EXCEL.EXE rundll32.exe PID 776 wrote to memory of 1512 776 EXCEL.EXE rundll32.exe PID 776 wrote to memory of 1512 776 EXCEL.EXE rundll32.exe PID 776 wrote to memory of 1512 776 EXCEL.EXE rundll32.exe PID 776 wrote to memory of 1512 776 EXCEL.EXE rundll32.exe PID 776 wrote to memory of 1512 776 EXCEL.EXE rundll32.exe PID 776 wrote to memory of 1144 776 EXCEL.EXE rundll32.exe PID 776 wrote to memory of 1144 776 EXCEL.EXE rundll32.exe PID 776 wrote to memory of 1144 776 EXCEL.EXE rundll32.exe PID 776 wrote to memory of 1144 776 EXCEL.EXE rundll32.exe PID 776 wrote to memory of 1144 776 EXCEL.EXE rundll32.exe PID 776 wrote to memory of 1144 776 EXCEL.EXE rundll32.exe PID 776 wrote to memory of 1144 776 EXCEL.EXE rundll32.exe PID 776 wrote to memory of 456 776 EXCEL.EXE rundll32.exe PID 776 wrote to memory of 456 776 EXCEL.EXE rundll32.exe PID 776 wrote to memory of 456 776 EXCEL.EXE rundll32.exe PID 776 wrote to memory of 456 776 EXCEL.EXE rundll32.exe PID 776 wrote to memory of 456 776 EXCEL.EXE rundll32.exe PID 776 wrote to memory of 456 776 EXCEL.EXE rundll32.exe PID 776 wrote to memory of 456 776 EXCEL.EXE rundll32.exe PID 776 wrote to memory of 1620 776 EXCEL.EXE rundll32.exe PID 776 wrote to memory of 1620 776 EXCEL.EXE rundll32.exe PID 776 wrote to memory of 1620 776 EXCEL.EXE rundll32.exe PID 776 wrote to memory of 1620 776 EXCEL.EXE rundll32.exe PID 776 wrote to memory of 1620 776 EXCEL.EXE rundll32.exe PID 776 wrote to memory of 1620 776 EXCEL.EXE rundll32.exe PID 776 wrote to memory of 1620 776 EXCEL.EXE rundll32.exe PID 776 wrote to memory of 912 776 EXCEL.EXE rundll32.exe PID 776 wrote to memory of 912 776 EXCEL.EXE rundll32.exe PID 776 wrote to memory of 912 776 EXCEL.EXE rundll32.exe PID 776 wrote to memory of 912 776 EXCEL.EXE rundll32.exe PID 776 wrote to memory of 912 776 EXCEL.EXE rundll32.exe PID 776 wrote to memory of 912 776 EXCEL.EXE rundll32.exe PID 776 wrote to memory of 912 776 EXCEL.EXE rundll32.exe
Processes
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C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\Cancellation-1376764675-03112021.xls1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\Runtime.brok,DllRegisterServer2⤵
- Process spawned unexpected child process
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\Runtime.brok1,DllRegisterServer2⤵
- Process spawned unexpected child process
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\Runtime.brok2,DllRegisterServer2⤵
- Process spawned unexpected child process
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\Runtime.brok3,DllRegisterServer2⤵
- Process spawned unexpected child process
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\Runtime.brok4,DllRegisterServer2⤵
- Process spawned unexpected child process
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/456-10-0x0000000000000000-mapping.dmp
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memory/776-2-0x000000002F2F1000-0x000000002F2F4000-memory.dmpFilesize
12KB
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memory/776-3-0x0000000071191000-0x0000000071193000-memory.dmpFilesize
8KB
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memory/776-4-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
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memory/912-14-0x0000000000000000-mapping.dmp
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memory/1144-8-0x0000000000000000-mapping.dmp
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memory/1388-5-0x000007FEF6010000-0x000007FEF628A000-memory.dmpFilesize
2.5MB
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memory/1512-6-0x0000000000000000-mapping.dmp
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memory/1512-7-0x0000000075C61000-0x0000000075C63000-memory.dmpFilesize
8KB
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memory/1620-12-0x0000000000000000-mapping.dmp