Analysis
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max time kernel
70s -
max time network
10s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
15-03-2021 06:37
Behavioral task
behavioral1
Sample
societ_956.xlsb
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
societ_956.xlsb
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
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Target
societ_956.xlsb
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Size
63KB
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MD5
1d0ebdfc4b1b359c23579844c8eaeb01
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SHA1
b6a6808de5a3ed613116debc238c040d96337829
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SHA256
9ce1fb8836f5260297979597bd409e16d3fd6a651414a827fa7eb7f2961f74a3
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SHA512
9b0c49996ad85ee64300baf575b23b18b00bb0ce0fd0741e8dcd6f78673ca22853167c2104e927f6d0f367df6039f4f6260969f80c13cbd030d5e07ab4f15747
Score
10/10
Malware Config
Extracted
Language
xlm4.0
Source
URLs
xlm40.dropper
http://linestata.bar/register.jpg
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 1156 292 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 (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\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 (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 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 -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 292 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
EXCEL.EXEpid process 292 EXCEL.EXE 292 EXCEL.EXE 292 EXCEL.EXE 292 EXCEL.EXE 292 EXCEL.EXE -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 292 wrote to memory of 1156 292 EXCEL.EXE rundll32.exe PID 292 wrote to memory of 1156 292 EXCEL.EXE rundll32.exe PID 292 wrote to memory of 1156 292 EXCEL.EXE rundll32.exe PID 292 wrote to memory of 1156 292 EXCEL.EXE rundll32.exe PID 292 wrote to memory of 1156 292 EXCEL.EXE rundll32.exe PID 292 wrote to memory of 1156 292 EXCEL.EXE rundll32.exe PID 292 wrote to memory of 1156 292 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\societ_956.xlsb1⤵
- 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.exe"C:\Windows\System32\rundll32.exe" C:\TdxMylM\ihKrJuy\jTBEYBF.dll,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/292-2-0x000000002F831000-0x000000002F834000-memory.dmpFilesize
12KB
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memory/292-3-0x0000000071CE1000-0x0000000071CE3000-memory.dmpFilesize
8KB
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memory/292-4-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
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memory/1156-6-0x0000000000000000-mapping.dmp
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memory/1156-7-0x0000000076861000-0x0000000076863000-memory.dmpFilesize
8KB
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memory/1796-5-0x000007FEF6B80000-0x000007FEF6DFA000-memory.dmpFilesize
2.5MB