Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
01-10-2024 14:42
Static task
static1
Behavioral task
behavioral1
Sample
tmtzxc.rtf
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
tmtzxc.rtf
Resource
win10v2004-20240802-en
General
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Target
tmtzxc.rtf
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Size
590KB
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MD5
08d1a4e26971fd55013dbc7d2744b2a5
-
SHA1
dd813694fc67b536f242ae7dd3deff14458b82ba
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SHA256
fd1ca8e9ebe962f23b55669ea495bdb32073b7359031e80a7067d387c0bfa8dc
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SHA512
3c34748ed68738a24d6c7f1482b4b2f5a26fb6c2a85a1fc0a5303123928fb56974532af9d43b9bb9027558a03be79cf31b48a0c4cb28c41fd833f25e8bb035b6
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SSDEEP
3072:nsa7eTzUetoCmiSHnm3WscLmvSVs+aN0X4rP55:nsYeXSG3WscLmvSa+aNyG55
Malware Config
Signatures
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Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
WINWORD.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
WINWORD.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
Processes:
WINWORD.EXEpid process 4376 WINWORD.EXE 4376 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 7 IoCs
Processes:
WINWORD.EXEpid process 4376 WINWORD.EXE 4376 WINWORD.EXE 4376 WINWORD.EXE 4376 WINWORD.EXE 4376 WINWORD.EXE 4376 WINWORD.EXE 4376 WINWORD.EXE
Processes
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C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\tmtzxc.rtf" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4376
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
245KB
MD5f883b260a8d67082ea895c14bf56dd56
SHA17954565c1f243d46ad3b1e2f1baf3281451fc14b
SHA256ef4835db41a485b56c2ef0ff7094bc2350460573a686182bc45fd6613480e353
SHA512d95924a499f32d9b4d9a7d298502181f9e9048c21dbe0496fa3c3279b263d6f7d594b859111a99b1a53bd248ee69b867d7b1768c42e1e40934e0b990f0ce051e