Analysis
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max time kernel
115s -
max time network
19s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
09-03-2021 00:50
Static task
static1
Behavioral task
behavioral1
Sample
INV-1581.doc
Resource
win7v20201028
Behavioral task
behavioral2
Sample
INV-1581.doc
Resource
win10v20201028
General
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Target
INV-1581.doc
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Size
149KB
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MD5
470b5f77bd00e2002939833ab72ad47a
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SHA1
540fb80aae64faccbb47ced4d4ec57448ca4297e
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SHA256
7df11aa42a30d550a3fba77ed9fc353108f4cac53a2dac6f29a6534dd0ecbd06
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SHA512
69a569c079bf78693d751d3834f94888de5f3276b69d9eb63c09bec678335dbb0740337d87646ea26325851d2e4754c881d7c7512520d5831468bc07a84f6b55
Malware Config
Signatures
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Process spawned unexpected child process 2 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
explorer.exeexplorer.exedescription pid pid_target process target process Parent C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE is not expected to spawn this process 1980 776 explorer.exe WINWORD.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE is not expected to spawn this process 396 776 explorer.exe WINWORD.EXE -
Blocklisted process makes network request 1 IoCs
Processes:
WScript.exeflow pid process 4 1704 WScript.exe -
Drops file in Windows directory 1 IoCs
Processes:
WINWORD.EXEdescription ioc process File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.EXE -
Office loads VBA resources, possible macro or embedded object present
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Processes:
WINWORD.EXEdescription ioc process Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt WINWORD.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" WINWORD.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" WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote WINWORD.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" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel WINWORD.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" WINWORD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
WINWORD.EXEpid process 776 WINWORD.EXE -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
explorer.exepid process 1496 explorer.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
WINWORD.EXEpid process 776 WINWORD.EXE 776 WINWORD.EXE -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
WINWORD.EXEexplorer.exedescription pid process target process PID 776 wrote to memory of 1980 776 WINWORD.EXE explorer.exe PID 776 wrote to memory of 1980 776 WINWORD.EXE explorer.exe PID 776 wrote to memory of 1980 776 WINWORD.EXE explorer.exe PID 776 wrote to memory of 1980 776 WINWORD.EXE explorer.exe PID 1732 wrote to memory of 1704 1732 explorer.exe WScript.exe PID 1732 wrote to memory of 1704 1732 explorer.exe WScript.exe PID 1732 wrote to memory of 1704 1732 explorer.exe WScript.exe PID 776 wrote to memory of 396 776 WINWORD.EXE explorer.exe PID 776 wrote to memory of 396 776 WINWORD.EXE explorer.exe PID 776 wrote to memory of 396 776 WINWORD.EXE explorer.exe PID 776 wrote to memory of 396 776 WINWORD.EXE explorer.exe
Processes
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C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\INV-1581.doc"1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\explorer.exeexplorer.exe C:\Users\Admin\AppData\Local\Temp\healthother.vbs2⤵
- Process spawned unexpected child process
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C:\Windows\SysWOW64\explorer.exeexplorer.exe C:\Users\Admin\AppData\Local\Temp\agoright.exe2⤵
- Process spawned unexpected child process
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C:\Windows\explorer.exeC:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\healthother.vbs"2⤵
- Blocklisted process makes network request
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C:\Windows\explorer.exeC:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding1⤵
- Suspicious behavior: GetForegroundWindowSpam
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\agoright.exeMD5
62962daa1b19bbcc2db10b7bfd531ea6
SHA1d64bae91091eda6a7532ebec06aa70893b79e1f8
SHA25680c3fe2ae1062abf56456f52518bd670f9ec3917b7f85e152b347ac6b6faf880
SHA5129002a0475fdb38541e78048709006926655c726e93e823b84e2dbf5b53fd539a5342e7266447d23db0e5528e27a19961b115b180c94f2272ff124c7e5c8304e7
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C:\Users\Admin\AppData\Local\Temp\healthother.vbsMD5
552f3e780bb97a3f81a732d5e26e2474
SHA1bfddf68ec2daf167f212a0157b258ead3827ca47
SHA256c711528dad5f1237a870ac01a6657579ac276dd30b0904aa0d4bcb795678d2ab
SHA5121fe1db760854d0182c20d80ae98a19679aee1760a508ddbc31eb3b9081f4d105259028dfcd14d08d7d3bfba2670685d896aa642cd630947fd58dd66b417da2a0
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memory/396-13-0x0000000000000000-mapping.dmp
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memory/396-15-0x000000006B131000-0x000000006B133000-memory.dmpFilesize
8KB
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memory/776-3-0x000000006FF11000-0x000000006FF13000-memory.dmpFilesize
8KB
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memory/776-4-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
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memory/776-2-0x0000000072491000-0x0000000072494000-memory.dmpFilesize
12KB
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memory/872-11-0x000007FEF72E0000-0x000007FEF755A000-memory.dmpFilesize
2.5MB
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memory/1496-18-0x0000000002500000-0x0000000002501000-memory.dmpFilesize
4KB
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memory/1704-10-0x0000000000000000-mapping.dmp
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memory/1704-12-0x00000000024C0000-0x00000000024C4000-memory.dmpFilesize
16KB
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memory/1732-8-0x000007FEFB991000-0x000007FEFB993000-memory.dmpFilesize
8KB
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memory/1980-7-0x000000006B2A1000-0x000000006B2A3000-memory.dmpFilesize
8KB
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memory/1980-6-0x0000000075C61000-0x0000000075C63000-memory.dmpFilesize
8KB
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memory/1980-5-0x0000000000000000-mapping.dmp