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Overview
overview
4Static
static
1virus yuny...AQ.rtf
windows7-x64
4virus yuny...AQ.rtf
windows10-2004-x64
1virus yuny...un.rtf
windows7-x64
4virus yuny...un.rtf
windows10-2004-x64
1virus yuny...AQ.rtf
windows7-x64
4virus yuny...AQ.rtf
windows10-2004-x64
1virus yuny...un.rtf
windows7-x64
4virus yuny...un.rtf
windows10-2004-x64
1Analysis
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max time kernel
143s -
max time network
129s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
11/08/2024, 20:01
Static task
static1
Behavioral task
behavioral1
Sample
virus yunyun/Baca AQ.rtf
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
virus yunyun/Baca AQ.rtf
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
virus yunyun/My name is Yuyun.rtf
Resource
win7-20240705-en
Behavioral task
behavioral4
Sample
virus yunyun/My name is Yuyun.rtf
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
virus yunyun/_vti_cnf/Baca AQ.rtf
Resource
win7-20240708-en
Behavioral task
behavioral6
Sample
virus yunyun/_vti_cnf/Baca AQ.rtf
Resource
win10v2004-20240802-en
Behavioral task
behavioral7
Sample
virus yunyun/_vti_cnf/My name is Yuyun.rtf
Resource
win7-20240708-en
Behavioral task
behavioral8
Sample
virus yunyun/_vti_cnf/My name is Yuyun.rtf
Resource
win10v2004-20240802-en
General
-
Target
virus yunyun/Baca AQ.rtf
-
Size
1KB
-
MD5
5f973c8004be579518a85dfe2bcd56d7
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SHA1
f691293fefabe3ff7f1bdd72230e0791f3777b80
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SHA256
f48ed7892dd1743f121840d13ce017aabaea41b121438eca2fbf615352226a0a
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SHA512
8c625bbecf326053fea32e895d1e1d8b4da45f0e5e5e2d01fe198ba577644d1d7db27f17423482771f448e4d707004bbfe67bf48ff382e052463037d8a250295
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.
description 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
description 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
pid Process 468 WINWORD.EXE 468 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 13 IoCs
pid Process 468 WINWORD.EXE 468 WINWORD.EXE 468 WINWORD.EXE 468 WINWORD.EXE 468 WINWORD.EXE 468 WINWORD.EXE 468 WINWORD.EXE 468 WINWORD.EXE 468 WINWORD.EXE 468 WINWORD.EXE 468 WINWORD.EXE 468 WINWORD.EXE 468 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\virus yunyun\Baca AQ.rtf" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:468
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
263KB
MD5ff0e07eff1333cdf9fc2523d323dd654
SHA177a1ae0dd8dbc3fee65dd6266f31e2a564d088a4
SHA2563f925e0cc1542f09de1f99060899eafb0042bb9682507c907173c392115a44b5
SHA512b4615f995fab87661c2dbe46625aa982215d7bde27cafae221dca76087fe76da4b4a381943436fcac1577cb3d260d0050b32b7b93e3eb07912494429f126bb3d
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms
Filesize1KB
MD5d4a350dafe52a49ba03f621a2be758c6
SHA12e583ae916772da43adca49d2f4e1a19cab3f9fe
SHA256d51efdff5634f7f190142973545f5b1f48adfe337a9be72f0e63523f7418bb6d
SHA512859c69f87fc6e025715b50d6aa036f27b64a88dba1688fac6d0f32e2602d6e3dd83c44eec028505cf6cc803f2868e4bf484e0ad0fd998b1fe60e470caa201588