Analysis
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max time kernel
244s -
max time network
332s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
26-11-2022 03:09
Behavioral task
behavioral1
Sample
e352396a341852856acdeab033e52bc0e1440fe5ee92a9867db2c836f4bf588f.xls
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
e352396a341852856acdeab033e52bc0e1440fe5ee92a9867db2c836f4bf588f.xls
Resource
win10v2004-20221111-en
General
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Target
e352396a341852856acdeab033e52bc0e1440fe5ee92a9867db2c836f4bf588f.xls
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Size
154KB
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MD5
fba52be3a68237efed94861936bbe328
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SHA1
cba13e94d26972c9c6438eda681bbb42a53f419a
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SHA256
e352396a341852856acdeab033e52bc0e1440fe5ee92a9867db2c836f4bf588f
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SHA512
6275f12e5d6b60877924d855b85ddde195fea95d098b2a76d68065e054e08792f9c7061561dc5d29acfb0781871c42f854746bc0a4608545ead3f6d088180044
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SSDEEP
3072:SeMxwjLk2pR+BFttquNGqiq94w+WwsP22jcc0lbxOKTjXJtXw9q5:/MxwjtL+9f2Q
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 316 1352 cmd.exe EXCEL.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 540 1352 cmd.exe EXCEL.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1776 1352 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 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 (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 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 (int) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" 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\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 -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 1352 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
EXCEL.EXEpid process 1352 EXCEL.EXE 1352 EXCEL.EXE 1352 EXCEL.EXE -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
EXCEL.EXEcmd.exedescription pid process target process PID 1352 wrote to memory of 316 1352 EXCEL.EXE cmd.exe PID 1352 wrote to memory of 316 1352 EXCEL.EXE cmd.exe PID 1352 wrote to memory of 316 1352 EXCEL.EXE cmd.exe PID 1352 wrote to memory of 316 1352 EXCEL.EXE cmd.exe PID 1352 wrote to memory of 540 1352 EXCEL.EXE cmd.exe PID 1352 wrote to memory of 540 1352 EXCEL.EXE cmd.exe PID 1352 wrote to memory of 540 1352 EXCEL.EXE cmd.exe PID 1352 wrote to memory of 540 1352 EXCEL.EXE cmd.exe PID 1352 wrote to memory of 1776 1352 EXCEL.EXE cmd.exe PID 1352 wrote to memory of 1776 1352 EXCEL.EXE cmd.exe PID 1352 wrote to memory of 1776 1352 EXCEL.EXE cmd.exe PID 1352 wrote to memory of 1776 1352 EXCEL.EXE cmd.exe PID 316 wrote to memory of 1912 316 cmd.exe attrib.exe PID 316 wrote to memory of 1912 316 cmd.exe attrib.exe PID 316 wrote to memory of 1912 316 cmd.exe attrib.exe PID 316 wrote to memory of 1912 316 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\e352396a341852856acdeab033e52bc0e1440fe5ee92a9867db2c836f4bf588f.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
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Downloads
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memory/316-219-0x0000000000000000-mapping.dmp
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memory/540-220-0x0000000000000000-mapping.dmp
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memory/1352-54-0x000000002FF31000-0x000000002FF34000-memory.dmpFilesize
12KB
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memory/1352-55-0x0000000071B01000-0x0000000071B03000-memory.dmpFilesize
8KB
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memory/1352-56-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
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memory/1352-57-0x0000000072AED000-0x0000000072AF8000-memory.dmpFilesize
44KB
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memory/1352-58-0x0000000075FF1000-0x0000000075FF3000-memory.dmpFilesize
8KB
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memory/1352-223-0x0000000072AED000-0x0000000072AF8000-memory.dmpFilesize
44KB
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memory/1776-221-0x0000000000000000-mapping.dmp
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memory/1912-222-0x0000000000000000-mapping.dmp