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Analysis
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max time kernel
121s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20231020-en -
resource tags
arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system -
submitted
21/10/2023, 21:36
Static task
static1
Behavioral task
behavioral1
Sample
b1f6d75a43187f208bcfc09c56b5351809024b38fddcac18ffc2369c9236fc95.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
b1f6d75a43187f208bcfc09c56b5351809024b38fddcac18ffc2369c9236fc95.exe
Resource
win10v2004-20230915-en
General
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Target
b1f6d75a43187f208bcfc09c56b5351809024b38fddcac18ffc2369c9236fc95.exe
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Size
12.9MB
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MD5
a2b02b54375ee9b79ba48e2742b0c28a
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SHA1
c09b7bb97204f342b9360ea2a92ac91fe314c6b9
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SHA256
b1f6d75a43187f208bcfc09c56b5351809024b38fddcac18ffc2369c9236fc95
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SHA512
2949f40f9c0c8853cb4eb74e98784aba8b0cc50e5d5ece465fb9fc2f430169ab8887a7b3c6810954ed995b18332bde7beac91a17223e4ae77a7e9a2bb829c85c
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SSDEEP
393216:Rhe473oIZILBUvHHriuxMzX9idKSIR7E3UdgdxlD:Rd7OGvHXMzX9O3QdgtD
Malware Config
Signatures
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Loads dropped DLL 1 IoCs
pid Process 2404 b1f6d75a43187f208bcfc09c56b5351809024b38fddcac18ffc2369c9236fc95.exe -
resource yara_rule behavioral1/memory/2404-49-0x0000000003E60000-0x0000000003E9E000-memory.dmp upx behavioral1/memory/2404-51-0x0000000003E60000-0x0000000003E9E000-memory.dmp upx behavioral1/memory/2404-52-0x0000000003E60000-0x0000000003E9E000-memory.dmp upx behavioral1/memory/2404-50-0x0000000003E60000-0x0000000003E9E000-memory.dmp upx behavioral1/memory/2404-54-0x0000000003E60000-0x0000000003E9E000-memory.dmp upx behavioral1/memory/2404-57-0x0000000003E60000-0x0000000003E9E000-memory.dmp upx behavioral1/memory/2404-59-0x0000000003E60000-0x0000000003E9E000-memory.dmp upx behavioral1/memory/2404-61-0x0000000003E60000-0x0000000003E9E000-memory.dmp upx behavioral1/memory/2404-64-0x0000000003E60000-0x0000000003E9E000-memory.dmp upx behavioral1/memory/2404-66-0x0000000003E60000-0x0000000003E9E000-memory.dmp upx behavioral1/memory/2404-69-0x0000000003E60000-0x0000000003E9E000-memory.dmp upx behavioral1/memory/2404-71-0x0000000003E60000-0x0000000003E9E000-memory.dmp upx behavioral1/memory/2404-74-0x0000000003E60000-0x0000000003E9E000-memory.dmp upx behavioral1/memory/2404-78-0x0000000003E60000-0x0000000003E9E000-memory.dmp upx behavioral1/memory/2404-81-0x0000000003E60000-0x0000000003E9E000-memory.dmp upx behavioral1/memory/2404-84-0x0000000003E60000-0x0000000003E9E000-memory.dmp upx behavioral1/memory/2404-86-0x0000000003E60000-0x0000000003E9E000-memory.dmp upx behavioral1/memory/2404-90-0x0000000003E60000-0x0000000003E9E000-memory.dmp upx behavioral1/memory/2404-93-0x0000000003E60000-0x0000000003E9E000-memory.dmp upx behavioral1/memory/2404-96-0x0000000003E60000-0x0000000003E9E000-memory.dmp upx behavioral1/memory/2404-99-0x0000000003E60000-0x0000000003E9E000-memory.dmp upx behavioral1/memory/2404-102-0x0000000003E60000-0x0000000003E9E000-memory.dmp upx behavioral1/memory/2404-105-0x0000000003E60000-0x0000000003E9E000-memory.dmp upx behavioral1/memory/2404-107-0x0000000003E60000-0x0000000003E9E000-memory.dmp upx behavioral1/memory/2404-108-0x0000000003E60000-0x0000000003E9E000-memory.dmp upx behavioral1/memory/2404-109-0x0000000003E60000-0x0000000003E9E000-memory.dmp upx -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PhysicalDrive0 b1f6d75a43187f208bcfc09c56b5351809024b38fddcac18ffc2369c9236fc95.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 2404 b1f6d75a43187f208bcfc09c56b5351809024b38fddcac18ffc2369c9236fc95.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2404 b1f6d75a43187f208bcfc09c56b5351809024b38fddcac18ffc2369c9236fc95.exe 2404 b1f6d75a43187f208bcfc09c56b5351809024b38fddcac18ffc2369c9236fc95.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2404 b1f6d75a43187f208bcfc09c56b5351809024b38fddcac18ffc2369c9236fc95.exe 2404 b1f6d75a43187f208bcfc09c56b5351809024b38fddcac18ffc2369c9236fc95.exe 2404 b1f6d75a43187f208bcfc09c56b5351809024b38fddcac18ffc2369c9236fc95.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b1f6d75a43187f208bcfc09c56b5351809024b38fddcac18ffc2369c9236fc95.exe"C:\Users\Admin\AppData\Local\Temp\b1f6d75a43187f208bcfc09c56b5351809024b38fddcac18ffc2369c9236fc95.exe"1⤵
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2404
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
8.4MB
MD58b6c94bbdbfb213e94a5dcb4fac28ce3
SHA1b56102ca4f03556f387f8b30e2b404efabe0cb65
SHA256982a177924762f270b36fe34c7d6847392b48ae53151dc2011078dceef487a53
SHA5129d6d63b5d8cf7a978d7e91126d7a343c2f7acd00022da9d692f63e50835fdd84a59a93328564f10622f2b1f6adfd7febdd98b8ddb294d0754ed45cc9c165d25a