Analysis
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max time kernel
104s -
max time network
103s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
18-02-2021 15:56
Behavioral task
behavioral1
Sample
document-1406506371.xls
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
General
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Target
document-1406506371.xls
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Size
88KB
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MD5
ea516f72ae0fc8f307eb63fd76eb4867
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SHA1
abe0ff1777c7a47dd40c4a5c5c25fc90203f7c66
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SHA256
ed89c55ffb07c4e94576eada0c0a91d86988772535844fdd8d784702934c66f3
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SHA512
0d86be1f2a59c0dae42d295b06b95b459f9c5388ce7f7b54b3fd6cd28ee96d8a2261c11bfcd98466d5cf6a5f23e1e86024381a2989ecbb831b6883aafadf4cf5
Score
10/10
Malware Config
Extracted
Language
xlm4.0
Source
URLs
xlm40.dropper
https://lloydsindian.co.uk/ds/1802.gif
Signatures
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Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
rundll32.exedescription pid pid_target process target process Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 556 1784 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 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 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 -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 1784 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 7 IoCs
Processes:
EXCEL.EXEpid process 1784 EXCEL.EXE 1784 EXCEL.EXE 1784 EXCEL.EXE 1784 EXCEL.EXE 1784 EXCEL.EXE 1784 EXCEL.EXE 1784 EXCEL.EXE -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 1784 wrote to memory of 556 1784 EXCEL.EXE rundll32.exe PID 1784 wrote to memory of 556 1784 EXCEL.EXE rundll32.exe PID 1784 wrote to memory of 556 1784 EXCEL.EXE rundll32.exe PID 1784 wrote to memory of 556 1784 EXCEL.EXE rundll32.exe PID 1784 wrote to memory of 556 1784 EXCEL.EXE rundll32.exe PID 1784 wrote to memory of 556 1784 EXCEL.EXE rundll32.exe PID 1784 wrote to memory of 556 1784 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\document-1406506371.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 ..\idefje.ekfd,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/556-6-0x0000000000000000-mapping.dmp
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memory/556-7-0x00000000760D1000-0x00000000760D3000-memory.dmpFilesize
8KB
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memory/1784-2-0x000000002F321000-0x000000002F324000-memory.dmpFilesize
12KB
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memory/1784-3-0x0000000071251000-0x0000000071253000-memory.dmpFilesize
8KB
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memory/1784-4-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
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memory/1872-5-0x000007FEF7510000-0x000007FEF778A000-memory.dmpFilesize
2.5MB