Analysis
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max time kernel
149s -
max time network
147s -
platform
windows10_x64 -
resource
win10-20220414-en -
submitted
20-05-2022 21:55
Behavioral task
behavioral1
Sample
9bbdb70d09509452db079c0fa78b2a2911863314c737bafde2cd3245b190c5bb.xls
Resource
win10-20220414-en
General
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Target
9bbdb70d09509452db079c0fa78b2a2911863314c737bafde2cd3245b190c5bb.xls
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Size
67KB
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MD5
d0a899064c6be7e65cffff246739deb8
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SHA1
077c3433df502bd6ae41437032537f0d4bb4c709
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SHA256
9bbdb70d09509452db079c0fa78b2a2911863314c737bafde2cd3245b190c5bb
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SHA512
15d79b4752ebfdf4e9526b95e708d7f7c144f0a23ccaada588804798f0ed68105fc97fb620c6a51fda456f00f58295a111e5eae0348d55affd91697265f44df1
Malware Config
Extracted
http://www.clasite.com/blogs/IEEsyn/
https://oncrete-egy.com/wp-content/V6Igzw8/
http://opencart-destek.com/catalog/OqHwQ8xlWa5Goyo/
http://www.pjesacac.com/components/O93XXhMN3tOtTlV/
Signatures
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Process spawned unexpected child process 4 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
regsvr32.exeregsvr32.exeregsvr32.exeregsvr32.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3484 2564 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3564 2564 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3736 2564 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3168 2564 regsvr32.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 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 2564 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 2564 EXCEL.EXE 2564 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 2564 EXCEL.EXE 2564 EXCEL.EXE 2564 EXCEL.EXE 2564 EXCEL.EXE 2564 EXCEL.EXE 2564 EXCEL.EXE 2564 EXCEL.EXE 2564 EXCEL.EXE 2564 EXCEL.EXE 2564 EXCEL.EXE 2564 EXCEL.EXE 2564 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 2564 wrote to memory of 3484 2564 EXCEL.EXE regsvr32.exe PID 2564 wrote to memory of 3484 2564 EXCEL.EXE regsvr32.exe PID 2564 wrote to memory of 3564 2564 EXCEL.EXE regsvr32.exe PID 2564 wrote to memory of 3564 2564 EXCEL.EXE regsvr32.exe PID 2564 wrote to memory of 3736 2564 EXCEL.EXE regsvr32.exe PID 2564 wrote to memory of 3736 2564 EXCEL.EXE regsvr32.exe PID 2564 wrote to memory of 3168 2564 EXCEL.EXE regsvr32.exe PID 2564 wrote to memory of 3168 2564 EXCEL.EXE regsvr32.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\9bbdb70d09509452db079c0fa78b2a2911863314c737bafde2cd3245b190c5bb.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\uxevr1.ocx2⤵
- Process spawned unexpected child process
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\uxevr2.ocx2⤵
- Process spawned unexpected child process
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\uxevr3.ocx2⤵
- Process spawned unexpected child process
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\uxevr4.ocx2⤵
- 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/2564-117-0x00007FFE836A0000-0x00007FFE836B0000-memory.dmpFilesize
64KB
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memory/2564-118-0x00007FFE836A0000-0x00007FFE836B0000-memory.dmpFilesize
64KB
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memory/2564-119-0x00007FFE836A0000-0x00007FFE836B0000-memory.dmpFilesize
64KB
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memory/2564-120-0x00007FFE836A0000-0x00007FFE836B0000-memory.dmpFilesize
64KB
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memory/2564-129-0x00007FFE80A50000-0x00007FFE80A60000-memory.dmpFilesize
64KB
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memory/2564-130-0x00007FFE80A50000-0x00007FFE80A60000-memory.dmpFilesize
64KB
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memory/3168-256-0x0000000000000000-mapping.dmp
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memory/3484-251-0x0000000000000000-mapping.dmp
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memory/3564-254-0x0000000000000000-mapping.dmp
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memory/3736-255-0x0000000000000000-mapping.dmp