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Analysis
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max time kernel
101s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
12/02/2024, 04:18
Behavioral task
behavioral1
Sample
963a97b6efe44b61e3241b3747028987.xlsm
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
963a97b6efe44b61e3241b3747028987.xlsm
Resource
win10v2004-20231215-en
General
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Target
963a97b6efe44b61e3241b3747028987.xlsm
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Size
238KB
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MD5
963a97b6efe44b61e3241b3747028987
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SHA1
65cc1ec0d4434bbe52d2c8e73943c3f845504f12
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SHA256
3e5c3ca2dba4a97b5ce64954a2b4a01b29a140dacfc0401dcc75471545c1f49a
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SHA512
649b9ec6872bfab560e1428a97bacd818d9bcc5577d5f73e80dcf83a8145abd8eb11bfcc3d186cc43da4d63df9fdd5ff528d5b33b9287a71b6d1976fff945a3f
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SSDEEP
6144:StNSLcq+YXEstmCKKIfVeSrPwqWaswkoWMM:CPYXEszKTwaEoWMM
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.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1084 4556 MSHTA.exe 14 -
Blocklisted process makes network request 5 IoCs
flow pid Process 19 1084 MSHTA.exe 21 1084 MSHTA.exe 24 1084 MSHTA.exe 28 1084 MSHTA.exe 32 1084 MSHTA.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process 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 Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
description 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
pid Process 4556 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 16 IoCs
pid Process 4556 EXCEL.EXE 4556 EXCEL.EXE 4556 EXCEL.EXE 4556 EXCEL.EXE 4556 EXCEL.EXE 4556 EXCEL.EXE 4556 EXCEL.EXE 4556 EXCEL.EXE 4556 EXCEL.EXE 4556 EXCEL.EXE 4556 EXCEL.EXE 4556 EXCEL.EXE 4556 EXCEL.EXE 4556 EXCEL.EXE 4556 EXCEL.EXE 4556 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4556 wrote to memory of 1084 4556 EXCEL.EXE 89 PID 4556 wrote to memory of 1084 4556 EXCEL.EXE 89
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\963a97b6efe44b61e3241b3747028987.xlsm"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4556 -
C:\Windows\SYSTEM32\MSHTA.exeMSHTA C:\ProgramData\kzbUSLmXY.sct2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
PID:1084
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
26KB
MD53cfaacfbd117f564097a6a915b452bff
SHA19800ad914f3f1b728d171e7e8c1a4966377e20f4
SHA25694d939eaa531caa4c4748573eb52c7f6fb752c918b4f885ef14bc4a23ecd87ec
SHA5129fde4357f647c59a42e3383c8aabb56eb0feb3b7a6b8bf2d3c8d3bd60d8d675b4d20306ad9f23802a032be5decd9c5166894946ba7a2045769c484df3696dfd6