Analysis
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max time kernel
17s -
max time network
131s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
18-11-2020 14:05
Static task
static1
Behavioral task
behavioral1
Sample
Inv_997240_527764.xlsm
Resource
win7v20201028
Behavioral task
behavioral2
Sample
Inv_997240_527764.xlsm
Resource
win10v20201028
General
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Target
Inv_997240_527764.xlsm
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Size
51KB
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MD5
ed931b0cc827a4f9051f80b6598a4f6e
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SHA1
4ec5ef894b046c2486b63b503c6b93fc2c873188
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SHA256
a0f15919fdcbd8208938d1118be24041fc917ca3a9a7be768eb08574fe80f447
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SHA512
a7c7c5b2aca294cd15ff57bbbaf62d0b410ae0618c2a61bda4e2685cd6dc490cdc53dad8a329c96e59143cdb06cf32f781bd7554bd78ff45f11a0a7bac21bf5e
Malware Config
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:
WerFault.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 360 1272 WerFault.exe EXCEL.EXE -
Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
Processes:
WerFault.exedescription pid process target process PID 360 created 1272 360 WerFault.exe EXCEL.EXE -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 360 1272 WerFault.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 1272 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 15 IoCs
Processes:
WerFault.exepid process 360 WerFault.exe 360 WerFault.exe 360 WerFault.exe 360 WerFault.exe 360 WerFault.exe 360 WerFault.exe 360 WerFault.exe 360 WerFault.exe 360 WerFault.exe 360 WerFault.exe 360 WerFault.exe 360 WerFault.exe 360 WerFault.exe 360 WerFault.exe 360 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
WerFault.exedescription pid process Token: SeDebugPrivilege 360 WerFault.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 1272 EXCEL.EXE 1272 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 1272 EXCEL.EXE 1272 EXCEL.EXE 1272 EXCEL.EXE 1272 EXCEL.EXE 1272 EXCEL.EXE 1272 EXCEL.EXE 1272 EXCEL.EXE 1272 EXCEL.EXE 1272 EXCEL.EXE 1272 EXCEL.EXE 1272 EXCEL.EXE 1272 EXCEL.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\Inv_997240_527764.xlsm"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 1272 -s 30442⤵
- Process spawned unexpected child process
- Suspicious use of NtCreateProcessExOtherParentProcess
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/360-7-0x0000017135120000-0x0000017135121000-memory.dmpFilesize
4KB
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memory/360-8-0x0000017135120000-0x0000017135121000-memory.dmpFilesize
4KB
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memory/360-10-0x0000017135E90000-0x0000017135E91000-memory.dmpFilesize
4KB
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memory/360-11-0x0000017135E90000-0x0000017135E91000-memory.dmpFilesize
4KB
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memory/1272-0-0x00007FF8D9D90000-0x00007FF8DA3C7000-memory.dmpFilesize
6.2MB
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memory/1272-2-0x000001FC60E65000-0x000001FC60EB1000-memory.dmpFilesize
304KB
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memory/1272-3-0x000001FC60E65000-0x000001FC60EB1000-memory.dmpFilesize
304KB
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memory/1272-4-0x000001FC61220000-0x000001FC61223000-memory.dmpFilesize
12KB
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memory/1272-5-0x000001FC63D9C000-0x000001FC63DDA000-memory.dmpFilesize
248KB
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memory/1272-6-0x000001FC63D9C000-0x000001FC63DDA000-memory.dmpFilesize
248KB