Analysis
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max time kernel
73s -
max time network
140s -
platform
windows10_x64 -
resource
win10 -
submitted
07-07-2020 10:20
Static task
static1
Behavioral task
behavioral1
Sample
MIL0004325471.xlsm
Resource
win7v200430
Behavioral task
behavioral2
Sample
MIL0004325471.xlsm
Resource
win10
General
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Target
MIL0004325471.xlsm
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Size
37KB
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MD5
b970d36078aefc235cd6137fa5ac5e45
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SHA1
5e71a534f61d9070698a692c1679c0e2b69bec4a
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SHA256
cab4eae157571452fb451e0ff302906b73ef2d2a9f502f74280d980f085f718d
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SHA512
991c234d689a45ac729132f789d05b598f063c4e7885a023f31b6f88aacf431192cdede765bbc26be3f7ccd2b9acc7df585865d47f839348fa5127bd6f61bc4a
Malware Config
Signatures
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Suspicious behavior: EnumeratesProcesses 14 IoCs
Processes:
WerFault.exepid process 636 WerFault.exe 636 WerFault.exe 636 WerFault.exe 636 WerFault.exe 636 WerFault.exe 636 WerFault.exe 636 WerFault.exe 636 WerFault.exe 636 WerFault.exe 636 WerFault.exe 636 WerFault.exe 636 WerFault.exe 636 WerFault.exe 636 WerFault.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 -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
EXCEL.EXEpid process 3676 EXCEL.EXE 3676 EXCEL.EXE 3676 EXCEL.EXE 3676 EXCEL.EXE 3676 EXCEL.EXE 3676 EXCEL.EXE 3676 EXCEL.EXE 3676 EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 3676 EXCEL.EXE -
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 636 3676 WerFault.exe EXCEL.EXE -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 636 3676 WerFault.exe EXCEL.EXE -
Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
Processes:
WerFault.exedescription pid process target process PID 636 created 3676 636 WerFault.exe EXCEL.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
WerFault.exedescription pid process Token: SeDebugPrivilege 636 WerFault.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
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\MIL0004325471.xlsm"1⤵
- Checks processor information in registry
- Suspicious use of SetWindowsHookEx
- Suspicious behavior: AddClipboardFormatListener
- Enumerates system info in registry
PID:3676 -
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 3676 -s 46522⤵
- Suspicious behavior: EnumeratesProcesses
- Process spawned unexpected child process
- Program crash
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of AdjustPrivilegeToken
PID:636