Analysis
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max time kernel
158s -
max time network
33s -
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
1bd0caf3cec1eeb412db45f0b242375118f7c3356e540334eeee89d70fc4d379.xls
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
1bd0caf3cec1eeb412db45f0b242375118f7c3356e540334eeee89d70fc4d379.xls
Resource
win10v2004-20220812-en
General
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Target
1bd0caf3cec1eeb412db45f0b242375118f7c3356e540334eeee89d70fc4d379.xls
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Size
260KB
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MD5
38d711ad89627fd7045b1e9f90254406
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SHA1
cc1f3800840aa1f9498c1cefb8edf3f044cce171
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SHA256
1bd0caf3cec1eeb412db45f0b242375118f7c3356e540334eeee89d70fc4d379
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SHA512
cad23fd4390d3aa271d6c0432b765f157e93616d9423848e13bbfb4aa02add44ecf2b19e5dbda1b7199228d485da72fdf1fa49603ffa9c4f5d1671bf5c09a1e1
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SSDEEP
3072:l90RCuHF9XzI4QHAawFg4KQX0Gy2jcc0lbxOK103L3FoJtXw8S:H08WHzTY1EgpQX0G3L3Y
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 1852 316 cmd.exe EXCEL.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1080 316 cmd.exe EXCEL.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1620 316 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-1-5-21-3406023954-474543476-3319432036-1000\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-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\MenuExt EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Toolbar EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 316 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
EXCEL.EXEpid process 316 EXCEL.EXE 316 EXCEL.EXE 316 EXCEL.EXE 316 EXCEL.EXE 316 EXCEL.EXE -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
EXCEL.EXEcmd.exedescription pid process target process PID 316 wrote to memory of 1852 316 EXCEL.EXE cmd.exe PID 316 wrote to memory of 1852 316 EXCEL.EXE cmd.exe PID 316 wrote to memory of 1852 316 EXCEL.EXE cmd.exe PID 316 wrote to memory of 1852 316 EXCEL.EXE cmd.exe PID 316 wrote to memory of 1080 316 EXCEL.EXE cmd.exe PID 316 wrote to memory of 1080 316 EXCEL.EXE cmd.exe PID 316 wrote to memory of 1080 316 EXCEL.EXE cmd.exe PID 316 wrote to memory of 1080 316 EXCEL.EXE cmd.exe PID 316 wrote to memory of 1620 316 EXCEL.EXE cmd.exe PID 316 wrote to memory of 1620 316 EXCEL.EXE cmd.exe PID 316 wrote to memory of 1620 316 EXCEL.EXE cmd.exe PID 316 wrote to memory of 1620 316 EXCEL.EXE cmd.exe PID 1852 wrote to memory of 1244 1852 cmd.exe attrib.exe PID 1852 wrote to memory of 1244 1852 cmd.exe attrib.exe PID 1852 wrote to memory of 1244 1852 cmd.exe attrib.exe PID 1852 wrote to memory of 1244 1852 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\1bd0caf3cec1eeb412db45f0b242375118f7c3356e540334eeee89d70fc4d379.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/316-72-0x00000000003EC000-0x00000000003F4000-memory.dmpFilesize
32KB
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memory/316-61-0x00000000003EC000-0x00000000003F4000-memory.dmpFilesize
32KB
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memory/316-56-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
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memory/316-54-0x000000002FAB1000-0x000000002FAB4000-memory.dmpFilesize
12KB
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memory/316-58-0x0000000075FF1000-0x0000000075FF3000-memory.dmpFilesize
8KB
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memory/316-78-0x00000000003EC000-0x00000000003F4000-memory.dmpFilesize
32KB
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memory/316-60-0x00000000003EC000-0x00000000003F4000-memory.dmpFilesize
32KB
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memory/316-77-0x00000000003EC000-0x00000000003F4000-memory.dmpFilesize
32KB
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memory/316-62-0x00000000003EC000-0x00000000003F4000-memory.dmpFilesize
32KB
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memory/316-63-0x00000000003EC000-0x00000000003F4000-memory.dmpFilesize
32KB
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memory/316-66-0x00000000003EC000-0x00000000003F4000-memory.dmpFilesize
32KB
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memory/316-65-0x00000000003EC000-0x00000000003F4000-memory.dmpFilesize
32KB
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memory/316-64-0x00000000003EC000-0x00000000003F4000-memory.dmpFilesize
32KB
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memory/316-67-0x00000000003EC000-0x00000000003F4000-memory.dmpFilesize
32KB
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memory/316-68-0x00000000003EC000-0x00000000003F4000-memory.dmpFilesize
32KB
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memory/316-69-0x00000000003EC000-0x00000000003F4000-memory.dmpFilesize
32KB
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memory/316-70-0x00000000003EC000-0x00000000003F4000-memory.dmpFilesize
32KB
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memory/316-71-0x00000000003EC000-0x00000000003F4000-memory.dmpFilesize
32KB
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memory/316-74-0x00000000003EC000-0x00000000003F4000-memory.dmpFilesize
32KB
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memory/316-73-0x00000000003EC000-0x00000000003F4000-memory.dmpFilesize
32KB
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memory/316-57-0x0000000072A1D000-0x0000000072A28000-memory.dmpFilesize
44KB
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memory/316-55-0x0000000071A31000-0x0000000071A33000-memory.dmpFilesize
8KB
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memory/316-59-0x0000000072A1D000-0x0000000072A28000-memory.dmpFilesize
44KB
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memory/316-76-0x00000000003EC000-0x00000000003F4000-memory.dmpFilesize
32KB
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memory/316-75-0x00000000003EC000-0x00000000003F4000-memory.dmpFilesize
32KB
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memory/316-81-0x00000000003EC000-0x00000000003F4000-memory.dmpFilesize
32KB
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memory/316-82-0x00000000003EC000-0x00000000003F4000-memory.dmpFilesize
32KB
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memory/316-80-0x00000000003EC000-0x00000000003F4000-memory.dmpFilesize
32KB
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memory/316-86-0x00000000003EC000-0x00000000003F4000-memory.dmpFilesize
32KB
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memory/316-85-0x00000000003EC000-0x00000000003F4000-memory.dmpFilesize
32KB
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memory/316-84-0x00000000003EC000-0x00000000003F4000-memory.dmpFilesize
32KB
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memory/316-83-0x00000000003EC000-0x00000000003F4000-memory.dmpFilesize
32KB
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memory/316-79-0x00000000003EC000-0x00000000003F4000-memory.dmpFilesize
32KB
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memory/316-87-0x00000000003EC000-0x00000000003F4000-memory.dmpFilesize
32KB
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memory/316-88-0x00000000003EC000-0x00000000003F4000-memory.dmpFilesize
32KB
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memory/316-110-0x00000000003EC000-0x00000000003F4000-memory.dmpFilesize
32KB
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memory/316-384-0x0000000072A1D000-0x0000000072A28000-memory.dmpFilesize
44KB
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memory/1080-221-0x0000000000000000-mapping.dmp
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memory/1244-223-0x0000000000000000-mapping.dmp
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memory/1620-222-0x0000000000000000-mapping.dmp
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memory/1852-220-0x0000000000000000-mapping.dmp