Analysis
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max time kernel
147s -
max time network
146s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
09-03-2021 15:33
Behavioral task
behavioral1
Sample
Complaint-Copy-684209303-03092021.xls
Resource
win7v20201028
Behavioral task
behavioral2
Sample
Complaint-Copy-684209303-03092021.xls
Resource
win10v20201028
General
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Target
Complaint-Copy-684209303-03092021.xls
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Size
80KB
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MD5
929a37b88e9317036edc9cef13cf68ee
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SHA1
be790f3e60156d3dc2dac6061a6df906c634304e
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SHA256
78b0fb46c1563fbdaf9d9b9fedfe848aa9b0950af5b98a4e5de18fd649604de7
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SHA512
1f4eca1bea7f83f606c963b7196e9ec2e81bda6ccfc4e0094bc6459a526c24575ff04ca875a258751102882d810316446df8d970cfc5397e1bbfc52ea0f8ac46
Malware Config
Extracted
http://edgethefoundation.com/owdkvdylem/44264.645540625.dat
http://thehealthandwellbeingclub.com/vrplxjytfbp/44264.645540625.dat
http://aslambek.eu/nqyxczidjed/44264.645540625.dat
http://samsung-drivers.xyz/npbpm/44264.645540625.dat
http://osrsport.com/tlftzsi/44264.645540625.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 1160 1932 rundll32.exe EXCEL.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 640 1932 rundll32.exe EXCEL.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 624 1932 rundll32.exe EXCEL.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1516 1932 rundll32.exe EXCEL.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 664 1932 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 Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar 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 Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" EXCEL.EXE 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 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 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 -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 1932 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 1932 EXCEL.EXE 1932 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
EXCEL.EXEpid process 1932 EXCEL.EXE 1932 EXCEL.EXE 1932 EXCEL.EXE -
Suspicious use of WriteProcessMemory 35 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 1932 wrote to memory of 1160 1932 EXCEL.EXE rundll32.exe PID 1932 wrote to memory of 1160 1932 EXCEL.EXE rundll32.exe PID 1932 wrote to memory of 1160 1932 EXCEL.EXE rundll32.exe PID 1932 wrote to memory of 1160 1932 EXCEL.EXE rundll32.exe PID 1932 wrote to memory of 1160 1932 EXCEL.EXE rundll32.exe PID 1932 wrote to memory of 1160 1932 EXCEL.EXE rundll32.exe PID 1932 wrote to memory of 1160 1932 EXCEL.EXE rundll32.exe PID 1932 wrote to memory of 640 1932 EXCEL.EXE rundll32.exe PID 1932 wrote to memory of 640 1932 EXCEL.EXE rundll32.exe PID 1932 wrote to memory of 640 1932 EXCEL.EXE rundll32.exe PID 1932 wrote to memory of 640 1932 EXCEL.EXE rundll32.exe PID 1932 wrote to memory of 640 1932 EXCEL.EXE rundll32.exe PID 1932 wrote to memory of 640 1932 EXCEL.EXE rundll32.exe PID 1932 wrote to memory of 640 1932 EXCEL.EXE rundll32.exe PID 1932 wrote to memory of 624 1932 EXCEL.EXE rundll32.exe PID 1932 wrote to memory of 624 1932 EXCEL.EXE rundll32.exe PID 1932 wrote to memory of 624 1932 EXCEL.EXE rundll32.exe PID 1932 wrote to memory of 624 1932 EXCEL.EXE rundll32.exe PID 1932 wrote to memory of 624 1932 EXCEL.EXE rundll32.exe PID 1932 wrote to memory of 624 1932 EXCEL.EXE rundll32.exe PID 1932 wrote to memory of 624 1932 EXCEL.EXE rundll32.exe PID 1932 wrote to memory of 1516 1932 EXCEL.EXE rundll32.exe PID 1932 wrote to memory of 1516 1932 EXCEL.EXE rundll32.exe PID 1932 wrote to memory of 1516 1932 EXCEL.EXE rundll32.exe PID 1932 wrote to memory of 1516 1932 EXCEL.EXE rundll32.exe PID 1932 wrote to memory of 1516 1932 EXCEL.EXE rundll32.exe PID 1932 wrote to memory of 1516 1932 EXCEL.EXE rundll32.exe PID 1932 wrote to memory of 1516 1932 EXCEL.EXE rundll32.exe PID 1932 wrote to memory of 664 1932 EXCEL.EXE rundll32.exe PID 1932 wrote to memory of 664 1932 EXCEL.EXE rundll32.exe PID 1932 wrote to memory of 664 1932 EXCEL.EXE rundll32.exe PID 1932 wrote to memory of 664 1932 EXCEL.EXE rundll32.exe PID 1932 wrote to memory of 664 1932 EXCEL.EXE rundll32.exe PID 1932 wrote to memory of 664 1932 EXCEL.EXE rundll32.exe PID 1932 wrote to memory of 664 1932 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\Complaint-Copy-684209303-03092021.xls1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\Soft.soft,DllRegisterServer2⤵
- Process spawned unexpected child process
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\Soft.soft1,DllRegisterServer2⤵
- Process spawned unexpected child process
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\Soft.soft2,DllRegisterServer2⤵
- Process spawned unexpected child process
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\Soft.soft3,DllRegisterServer2⤵
- Process spawned unexpected child process
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\Soft.soft4,DllRegisterServer2⤵
- Process spawned unexpected child process
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/624-10-0x0000000000000000-mapping.dmp
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memory/640-8-0x0000000000000000-mapping.dmp
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memory/664-14-0x0000000000000000-mapping.dmp
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memory/1160-6-0x0000000000000000-mapping.dmp
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memory/1160-7-0x00000000750C1000-0x00000000750C3000-memory.dmpFilesize
8KB
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memory/1516-12-0x0000000000000000-mapping.dmp
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memory/1740-5-0x000007FEF5BC0000-0x000007FEF5E3A000-memory.dmpFilesize
2.5MB
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memory/1932-2-0x000000002FC61000-0x000000002FC64000-memory.dmpFilesize
12KB
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memory/1932-3-0x0000000070BA1000-0x0000000070BA3000-memory.dmpFilesize
8KB
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memory/1932-4-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB