Analysis
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max time kernel
69s -
max time network
11s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
12-03-2021 19:53
Behavioral task
behavioral1
Sample
document-543005498.xls
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
document-543005498.xls
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
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Target
document-543005498.xls
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Size
138KB
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MD5
504df8058f3663b25d7a69e266c85756
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SHA1
b0ec1cac1ee9085e61448df771aea7946a173ccb
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SHA256
de99a81bdf496e8861d123be3c7081960caedfdee391c0f5939d2005f11e1397
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SHA512
dfdd23ee5e28f2f6d2c017b8a68364ebc19141325f9265a6a50e03ebebfa6016bf8743c8aeedc32e7b2cd0676c3a901993b63830c0f6ea288ac6b8050e41bedd
Score
10/10
Malware Config
Extracted
Language
xlm4.0
Source
URLs
xlm40.dropper
http://ipok12bcame03shzpiq.xyz/i.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 1492 1724 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 Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt 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\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\MenuExt\Se&nd to OneNote 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 (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 1724 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
EXCEL.EXEpid process 1724 EXCEL.EXE 1724 EXCEL.EXE 1724 EXCEL.EXE -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 1724 wrote to memory of 1492 1724 EXCEL.EXE rundll32.exe PID 1724 wrote to memory of 1492 1724 EXCEL.EXE rundll32.exe PID 1724 wrote to memory of 1492 1724 EXCEL.EXE rundll32.exe PID 1724 wrote to memory of 1492 1724 EXCEL.EXE rundll32.exe PID 1724 wrote to memory of 1492 1724 EXCEL.EXE rundll32.exe PID 1724 wrote to memory of 1492 1724 EXCEL.EXE rundll32.exe PID 1724 wrote to memory of 1492 1724 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-543005498.xls1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1724 -
C:\Windows\SysWOW64\rundll32.exerundll32 ..\zfbfg.ere,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1492
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/1492-6-0x0000000000000000-mapping.dmp
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memory/1492-7-0x00000000761E1000-0x00000000761E3000-memory.dmpFilesize
8KB
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memory/1724-2-0x000000002FEE1000-0x000000002FEE4000-memory.dmpFilesize
12KB
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memory/1724-3-0x0000000071C61000-0x0000000071C63000-memory.dmpFilesize
8KB
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memory/1724-4-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
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memory/1784-5-0x000007FEF7D90000-0x000007FEF800A000-memory.dmpFilesize
2.5MB