Analysis
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max time kernel
148s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
28-02-2024 07:59
Behavioral task
behavioral1
Sample
ab667c342e83997121b7a9c78f340e23.xlsm
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
ab667c342e83997121b7a9c78f340e23.xlsm
Resource
win10v2004-20240226-en
General
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Target
ab667c342e83997121b7a9c78f340e23.xlsm
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Size
208KB
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MD5
ab667c342e83997121b7a9c78f340e23
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SHA1
1fca4d57206e1a7f9dfff6b9bd69d64d593ce176
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SHA256
8d4547fa89823eb34301fcf14ba38a04af3285937c86b8f615fe421dee808f87
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SHA512
dc42bfa5fa70d47485e8fe55f8c098f160ccb6ff917b11546395ede5d4b0567491026797a3f49f694f90130a97662842ab2b8a1ce4136f47867af4e6de09f400
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SSDEEP
6144:FogkLjLhDcxGxXZ1KQDGte8rlWEHDU8Mf:aDLZDc4xp1Jat1njU8Mf
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:
MSHTA.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4208 2904 MSHTA.exe EXCEL.EXE -
Blocklisted process makes network request 2 IoCs
Processes:
MSHTA.exeflow pid process 32 4208 MSHTA.exe 33 4208 MSHTA.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 2904 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 2904 EXCEL.EXE 2904 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 16 IoCs
Processes:
EXCEL.EXEpid process 2904 EXCEL.EXE 2904 EXCEL.EXE 2904 EXCEL.EXE 2904 EXCEL.EXE 2904 EXCEL.EXE 2904 EXCEL.EXE 2904 EXCEL.EXE 2904 EXCEL.EXE 2904 EXCEL.EXE 2904 EXCEL.EXE 2904 EXCEL.EXE 2904 EXCEL.EXE 2904 EXCEL.EXE 2904 EXCEL.EXE 2904 EXCEL.EXE 2904 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 2904 wrote to memory of 4208 2904 EXCEL.EXE MSHTA.exe PID 2904 wrote to memory of 4208 2904 EXCEL.EXE MSHTA.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\ab667c342e83997121b7a9c78f340e23.xlsm"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
PID:2904 -
C:\Windows\SYSTEM32\MSHTA.exeMSHTA C:\ProgramData\ITWUoFTF.sct2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
PID:4208
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
26KB
MD524a5eef3f2ba4419aad8cab613876977
SHA1b49ed12ed12ba06672faa6fce4ccf91b15f386ce
SHA256c9b6a06136b22f9f50320855d4e6cc8e6edb63ddb5678320070885790954f155
SHA512a191349b1ebfd292537f0fe29411d74fb9b901f3950690bf01f0560d4b9933bbe771eef9cecefecc3c09544336aacc7a73f2533e347d24453ec83e798206d008