Analysis
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max time kernel
248s -
max time network
335s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
29-11-2022 08:44
Behavioral task
behavioral1
Sample
eab95f09e45a3bd676fab0a043fa116d3690070e55c900571e1e4bd2f8dfff2e.xls
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
eab95f09e45a3bd676fab0a043fa116d3690070e55c900571e1e4bd2f8dfff2e.xls
Resource
win10v2004-20220812-en
General
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Target
eab95f09e45a3bd676fab0a043fa116d3690070e55c900571e1e4bd2f8dfff2e.xls
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Size
108KB
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MD5
51797bbc37e850eb4d9bead3daf96f6d
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SHA1
bd2afa2a6ba26254923d82836251d2d7d4f92f65
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SHA256
eab95f09e45a3bd676fab0a043fa116d3690070e55c900571e1e4bd2f8dfff2e
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SHA512
00c3902dd8ad1833fe26ded4507548fe1580f0bed0bf5e4a5c0bb703e7cd3059895bc8803417a20ac904fd1a20dad08e320bd8db18c067946617cb947afc6a2b
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SSDEEP
3072:Vnl6Nc7yRzs1H75wkZUgsQ6NqTBun5oWCWVbrzQ7kCTk95jhJtXw1v4x2:ll6Nc7yRzs1H75wkZUgsQ6NqTBun5oW+
Malware Config
Signatures
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Process spawned unexpected child process 3 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
cmd.execmd.execmd.exedescription pid pid_target process target process Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1632 1028 cmd.exe EXCEL.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1548 1028 cmd.exe EXCEL.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1940 1028 cmd.exe EXCEL.EXE -
Office loads VBA resources, possible macro or embedded object present
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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 (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\MenuExt EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\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-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Toolbar EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 1028 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
EXCEL.EXEpid process 1028 EXCEL.EXE 1028 EXCEL.EXE 1028 EXCEL.EXE -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
EXCEL.EXEcmd.exedescription pid process target process PID 1028 wrote to memory of 1632 1028 EXCEL.EXE cmd.exe PID 1028 wrote to memory of 1632 1028 EXCEL.EXE cmd.exe PID 1028 wrote to memory of 1632 1028 EXCEL.EXE cmd.exe PID 1028 wrote to memory of 1632 1028 EXCEL.EXE cmd.exe PID 1028 wrote to memory of 1548 1028 EXCEL.EXE cmd.exe PID 1028 wrote to memory of 1548 1028 EXCEL.EXE cmd.exe PID 1028 wrote to memory of 1548 1028 EXCEL.EXE cmd.exe PID 1028 wrote to memory of 1548 1028 EXCEL.EXE cmd.exe PID 1028 wrote to memory of 1940 1028 EXCEL.EXE cmd.exe PID 1028 wrote to memory of 1940 1028 EXCEL.EXE cmd.exe PID 1028 wrote to memory of 1940 1028 EXCEL.EXE cmd.exe PID 1028 wrote to memory of 1940 1028 EXCEL.EXE cmd.exe PID 1632 wrote to memory of 1932 1632 cmd.exe attrib.exe PID 1632 wrote to memory of 1932 1632 cmd.exe attrib.exe PID 1632 wrote to memory of 1932 1632 cmd.exe attrib.exe PID 1632 wrote to memory of 1932 1632 cmd.exe attrib.exe -
Views/modifies file attributes 1 TTPs 1 IoCs
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\eab95f09e45a3bd676fab0a043fa116d3690070e55c900571e1e4bd2f8dfff2e.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\cmd.exeC:\Windows\system32\cmd.exe /c attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\attrib.exeattrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"3⤵
- Views/modifies file attributes
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c Del /F /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"2⤵
- Process spawned unexpected child process
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c RD /S /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"2⤵
- Process spawned unexpected child process
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1028-70-0x00000000002EF000-0x00000000002F3000-memory.dmpFilesize
16KB
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memory/1028-57-0x00000000727BD000-0x00000000727C8000-memory.dmpFilesize
44KB
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memory/1028-56-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
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memory/1028-71-0x00000000002EF000-0x00000000002F3000-memory.dmpFilesize
16KB
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memory/1028-58-0x0000000075E01000-0x0000000075E03000-memory.dmpFilesize
8KB
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memory/1028-73-0x00000000002EF000-0x00000000002F3000-memory.dmpFilesize
16KB
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memory/1028-61-0x00000000002EF000-0x00000000002F3000-memory.dmpFilesize
16KB
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memory/1028-60-0x00000000002EF000-0x00000000002F3000-memory.dmpFilesize
16KB
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memory/1028-63-0x00000000002EF000-0x00000000002F3000-memory.dmpFilesize
16KB
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memory/1028-62-0x00000000002EF000-0x00000000002F3000-memory.dmpFilesize
16KB
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memory/1028-65-0x00000000002EF000-0x00000000002F3000-memory.dmpFilesize
16KB
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memory/1028-64-0x00000000002EF000-0x00000000002F3000-memory.dmpFilesize
16KB
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memory/1028-67-0x00000000002EF000-0x00000000002F3000-memory.dmpFilesize
16KB
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memory/1028-66-0x00000000002EF000-0x00000000002F3000-memory.dmpFilesize
16KB
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memory/1028-68-0x00000000002EF000-0x00000000002F3000-memory.dmpFilesize
16KB
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memory/1028-69-0x00000000002EF000-0x00000000002F3000-memory.dmpFilesize
16KB
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memory/1028-218-0x00000000727BD000-0x00000000727C8000-memory.dmpFilesize
44KB
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memory/1028-55-0x00000000717D1000-0x00000000717D3000-memory.dmpFilesize
8KB
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memory/1028-59-0x00000000727BD000-0x00000000727C8000-memory.dmpFilesize
44KB
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memory/1028-72-0x00000000002EF000-0x00000000002F3000-memory.dmpFilesize
16KB
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memory/1028-74-0x00000000002EF000-0x00000000002F3000-memory.dmpFilesize
16KB
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memory/1028-75-0x00000000002EF000-0x00000000002F3000-memory.dmpFilesize
16KB
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memory/1028-77-0x00000000002EF000-0x00000000002F3000-memory.dmpFilesize
16KB
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memory/1028-76-0x00000000002EF000-0x00000000002F3000-memory.dmpFilesize
16KB
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memory/1028-78-0x00000000002EF000-0x00000000002F3000-memory.dmpFilesize
16KB
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memory/1028-79-0x00000000002EF000-0x00000000002F3000-memory.dmpFilesize
16KB
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memory/1028-81-0x00000000002EF000-0x00000000002F3000-memory.dmpFilesize
16KB
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memory/1028-80-0x00000000002EF000-0x00000000002F3000-memory.dmpFilesize
16KB
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memory/1028-82-0x00000000002EF000-0x00000000002F3000-memory.dmpFilesize
16KB
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memory/1028-104-0x00000000002EF000-0x00000000002F3000-memory.dmpFilesize
16KB
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memory/1028-54-0x000000002F791000-0x000000002F794000-memory.dmpFilesize
12KB
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memory/1548-215-0x0000000000000000-mapping.dmp
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memory/1632-214-0x0000000000000000-mapping.dmp
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memory/1932-217-0x0000000000000000-mapping.dmp
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memory/1940-216-0x0000000000000000-mapping.dmp