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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
150s -
max time network
155s -
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
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Target
virus yunyun/_vti_cnf/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 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 Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 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 2188 WINWORD.EXE 2188 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 13 IoCs
pid Process 2188 WINWORD.EXE 2188 WINWORD.EXE 2188 WINWORD.EXE 2188 WINWORD.EXE 2188 WINWORD.EXE 2188 WINWORD.EXE 2188 WINWORD.EXE 2188 WINWORD.EXE 2188 WINWORD.EXE 2188 WINWORD.EXE 2188 WINWORD.EXE 2188 WINWORD.EXE 2188 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\_vti_cnf\Baca AQ.rtf" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2188
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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Filesize
16B
MD5d29962abc88624befc0135579ae485ec
SHA1e40a6458296ec6a2427bcb280572d023a9862b31
SHA256a91a702aab9b8dd722843d3d208a21bcfa6556dfc64e2ded63975de4511eb866
SHA5124311e87d8d5559248d4174908817a4ddc917bf7378114435cf12da8ccb7a1542c851812afbaf7dc106771bdb2e2d05f52e7d0c50d110fc7fffe4395592492c2f
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms
Filesize1KB
MD57cac6d2833934eaaf60675e5dc631d5c
SHA1e05f8add698a78804e7d5d3427cda6b57acaaf93
SHA256c8aec299150e65b43a608fc56c69f52522adb483f1e44f11f79ef2495895872f
SHA51211d2d8061d9669601078b411300e60c0d50e3855800623a75a3c2f4c39690fc50a0de31c375edf34ec160da2a5612b9992eac3bebe34962f412d4c0bb58c662e