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Analysis
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max time kernel
121s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
05/10/2024, 01:44
Static task
static1
Behavioral task
behavioral1
Sample
b78e040c0d63061f8a66e423ec0aa2fa7f1d3d6c5a488d147493d9d9ea9247f8.rtf
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
b78e040c0d63061f8a66e423ec0aa2fa7f1d3d6c5a488d147493d9d9ea9247f8.rtf
Resource
win10v2004-20240802-en
General
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Target
b78e040c0d63061f8a66e423ec0aa2fa7f1d3d6c5a488d147493d9d9ea9247f8.rtf
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Size
712KB
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MD5
efcf0612773c1c48d6079a7636fdd2e5
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SHA1
a36a0b6f409f22fad0f463cef075f52ebad17e67
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SHA256
b78e040c0d63061f8a66e423ec0aa2fa7f1d3d6c5a488d147493d9d9ea9247f8
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SHA512
e0410e38534f4822056166726e374119a470e87a4e3c1b1b456d6f040888e1c6b95d177b486314f0663bec259c61e15194a423153001d0e567e16cc0c4ef183a
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SSDEEP
6144:BwAYwAmu+zZBG91o9zdmLlvtVFZkI1vJED0CsA/HkK:p
Malware Config
Signatures
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Blocklisted process makes network request 2 IoCs
flow pid Process 4 2912 EQNEDT32.EXE 5 2912 EQNEDT32.EXE -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.EXE -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WINWORD.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language EQNEDT32.EXE -
Office loads VBA resources, possible macro or embedded object present
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Launches Equation Editor 1 TTPs 1 IoCs
Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.
pid Process 2912 EQNEDT32.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2984 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2984 WINWORD.EXE 2984 WINWORD.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2984 wrote to memory of 2720 2984 WINWORD.EXE 34 PID 2984 wrote to memory of 2720 2984 WINWORD.EXE 34 PID 2984 wrote to memory of 2720 2984 WINWORD.EXE 34 PID 2984 wrote to memory of 2720 2984 WINWORD.EXE 34
Processes
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C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\b78e040c0d63061f8a66e423ec0aa2fa7f1d3d6c5a488d147493d9d9ea9247f8.rtf"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2984 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:2720
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C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE"C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding1⤵
- Blocklisted process makes network request
- System Location Discovery: System Language Discovery
- Launches Equation Editor
PID:2912