Analysis
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max time kernel
73s -
max time network
15s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
09-03-2021 03:36
Static task
static1
Behavioral task
behavioral1
Sample
SecuriteInfo.com.Heur.28794.31026.xls
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
General
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Target
SecuriteInfo.com.Heur.28794.31026.xls
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Size
192KB
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MD5
2208d7669e772948ad44338300118815
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SHA1
78c5ae07e77cfbb2f8e12676efdafaa961d58abb
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SHA256
ce1c9e0badfd02f045adc37736216a7af07550fb20d02b8095817a674b25cb3e
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SHA512
345700c9e8a28c018e69ff40ed6f4228123f7157379355a0059349b7e7faf9a4d43ed45baf3d81b8264b5eeef9dd58a98dc3f633da6ff926f0f7988e3fcbdcda
Score
10/10
Malware Config
Extracted
Language
xlm4.0
Source
URLs
xlm40.dropper
http://gogorv.net/parseopml/intel.php
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 1864 1856 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-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\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-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\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-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 1856 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
EXCEL.EXEpid process 1856 EXCEL.EXE 1856 EXCEL.EXE 1856 EXCEL.EXE -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 1856 wrote to memory of 1864 1856 EXCEL.EXE rundll32.exe PID 1856 wrote to memory of 1864 1856 EXCEL.EXE rundll32.exe PID 1856 wrote to memory of 1864 1856 EXCEL.EXE rundll32.exe PID 1856 wrote to memory of 1864 1856 EXCEL.EXE rundll32.exe PID 1856 wrote to memory of 1864 1856 EXCEL.EXE rundll32.exe PID 1856 wrote to memory of 1864 1856 EXCEL.EXE rundll32.exe PID 1856 wrote to memory of 1864 1856 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\SecuriteInfo.com.Heur.28794.31026.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 ..\Frost.bitte,DllRegisterServer12⤵
- 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/1856-2-0x000000002FBE1000-0x000000002FBE4000-memory.dmpFilesize
12KB
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memory/1856-3-0x00000000719D1000-0x00000000719D3000-memory.dmpFilesize
8KB
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memory/1856-4-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
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memory/1864-6-0x0000000000000000-mapping.dmp
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memory/1864-7-0x00000000767E1000-0x00000000767E3000-memory.dmpFilesize
8KB
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memory/1948-5-0x000007FEF67C0000-0x000007FEF6A3A000-memory.dmpFilesize
2.5MB