Analysis
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max time kernel
71s -
max time network
77s -
platform
windows10-1703_x64 -
resource
win10-20240611-en -
resource tags
arch:x64arch:x86image:win10-20240611-enlocale:en-usos:windows10-1703-x64system -
submitted
14/07/2024, 12:24
Static task
static1
Behavioral task
behavioral1
Sample
RezNoxCustom Skin Manager Installer.rar
Resource
win10-20240611-en
General
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Target
RezNoxCustom Skin Manager Installer.rar
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Size
1.4MB
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MD5
d6708cb99d4a8a7b25216b050283fe22
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SHA1
6c329344167d5e1cdd84767011c06ba4beb31f71
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SHA256
1207fda9b7bba1244e4f256f3b3fecc8656bef9c5e3ea393596d806c3aa4d434
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SHA512
99620275eebd22ffbabe647473b2d0e42ec1e0394783dc8b455e46935360b55d7568f9bdd11b301c00bf9b9a3cc3fb9f9b0f3353e1d32fe8d99080a178f41bc7
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SSDEEP
24576:dzGZmGz9H8E76diMCFvHs8eFV+LD1fRmeZ4UcDlCyQMlGhIFsKKdd/iSaXuBdLZN:kmGz9H8E5MvX+LDFgeZ7cDEyQMlsTJTr
Malware Config
Signatures
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000_Classes\Local Settings OpenWith.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 3372 vlc.exe -
Suspicious behavior: GetForegroundWindowSpam 2 IoCs
pid Process 4952 OpenWith.exe 3372 vlc.exe -
Suspicious use of FindShellTrayWindow 21 IoCs
pid Process 3372 vlc.exe 3372 vlc.exe 3372 vlc.exe 3372 vlc.exe 3372 vlc.exe 3372 vlc.exe 3372 vlc.exe 3372 vlc.exe 3372 vlc.exe 3372 vlc.exe 3372 vlc.exe 3372 vlc.exe 3372 vlc.exe 3372 vlc.exe 3372 vlc.exe 3372 vlc.exe 3372 vlc.exe 3372 vlc.exe 3372 vlc.exe 3372 vlc.exe 3372 vlc.exe -
Suspicious use of SendNotifyMessage 20 IoCs
pid Process 3372 vlc.exe 3372 vlc.exe 3372 vlc.exe 3372 vlc.exe 3372 vlc.exe 3372 vlc.exe 3372 vlc.exe 3372 vlc.exe 3372 vlc.exe 3372 vlc.exe 3372 vlc.exe 3372 vlc.exe 3372 vlc.exe 3372 vlc.exe 3372 vlc.exe 3372 vlc.exe 3372 vlc.exe 3372 vlc.exe 3372 vlc.exe 3372 vlc.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 4952 OpenWith.exe 4952 OpenWith.exe 4952 OpenWith.exe 4952 OpenWith.exe 4952 OpenWith.exe 3372 vlc.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4952 wrote to memory of 3372 4952 OpenWith.exe 72 PID 4952 wrote to memory of 3372 4952 OpenWith.exe 72
Processes
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C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\RezNoxCustom Skin Manager Installer.rar"1⤵
- Modifies registry class
PID:1660
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C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4952 -
C:\Program Files\VideoLAN\VLC\vlc.exe"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Local\Temp\RezNoxCustom Skin Manager Installer.rar"2⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:3372
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:4644
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
117B
MD5678e6da8bd4d48fa92f754d8e4d5dd11
SHA1ad349f5fcafd216db76ec30fbfb177ee7369311d
SHA25665d741f4ff532173938b555ac6a076f63599eb756bc04d1787b70cc302856cab
SHA51258608093a5ef6aa1af8605ca6e3244662ec1b4391857a4ce6df790264191edfa3e3f0e6fa930f409fff2e18724f6f99fcb09aa9cfecf16a9caffdabf947d629f