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Analysis
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max time kernel
41s -
max time network
47s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
20/10/2022, 20:30
Static task
static1
Behavioral task
behavioral1
Sample
2e35a81ea95bf6f83fcb8cb27bf085360f79abd01a88fa79406a82a4195efe12.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
2e35a81ea95bf6f83fcb8cb27bf085360f79abd01a88fa79406a82a4195efe12.exe
Resource
win10v2004-20220812-en
General
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Target
2e35a81ea95bf6f83fcb8cb27bf085360f79abd01a88fa79406a82a4195efe12.exe
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Size
105KB
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MD5
80fcedc30fd7e9cf90c40d04bd06beba
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SHA1
c27ef96cf12f0a699a6f8b8eb2f0ce294be2b97e
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SHA256
2e35a81ea95bf6f83fcb8cb27bf085360f79abd01a88fa79406a82a4195efe12
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SHA512
59bb1cd9aec4e3d2ea553cbe3002c1ae0a7076523e807a81536ea15602954be6a129011787f0a6922cf9d2f8cbe62c6880e48eee1baf8dca6973947e04457f63
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SSDEEP
1536:fEizl72rH5hmMMXapYHF3LHRfP2FB+13vCjAWX:Mizt/MMapYlR+Bca
Malware Config
Signatures
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resource yara_rule behavioral1/memory/1724-58-0x0000000000400000-0x0000000001400000-memory.dmp upx behavioral1/memory/1724-60-0x0000000000400000-0x0000000001400000-memory.dmp upx behavioral1/memory/1724-61-0x0000000000400000-0x0000000001400000-memory.dmp upx behavioral1/memory/1724-66-0x0000000000400000-0x0000000001400000-memory.dmp upx behavioral1/memory/1724-67-0x0000000000400000-0x0000000001400000-memory.dmp upx behavioral1/memory/1724-69-0x0000000000400000-0x0000000000425000-memory.dmp upx -
Loads dropped DLL 1 IoCs
pid Process 1724 2e35a81ea95bf6f83fcb8cb27bf085360f79abd01a88fa79406a82a4195efe12.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run 2e35a81ea95bf6f83fcb8cb27bf085360f79abd01a88fa79406a82a4195efe12.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\hvrtsny = "rundll32 \"C:\\Users\\Admin\\AppData\\Local\\hvrtsny.dll\",hvrtsny" 2e35a81ea95bf6f83fcb8cb27bf085360f79abd01a88fa79406a82a4195efe12.exe -
Modifies WinLogon 2 TTPs 8 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\hvrtsny\DllName = "C:\\Users\\Admin\\AppData\\Local\\hvrtsny.dll" 2e35a81ea95bf6f83fcb8cb27bf085360f79abd01a88fa79406a82a4195efe12.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\hvrtsny\Startup = "hvrtsny" 2e35a81ea95bf6f83fcb8cb27bf085360f79abd01a88fa79406a82a4195efe12.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\hvrtsny 2e35a81ea95bf6f83fcb8cb27bf085360f79abd01a88fa79406a82a4195efe12.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify 2e35a81ea95bf6f83fcb8cb27bf085360f79abd01a88fa79406a82a4195efe12.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\hvrtsny\Impersonate = "1" 2e35a81ea95bf6f83fcb8cb27bf085360f79abd01a88fa79406a82a4195efe12.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\hvrtsny\Asynchronous = "1" 2e35a81ea95bf6f83fcb8cb27bf085360f79abd01a88fa79406a82a4195efe12.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\hvrtsny\MaxWait = "1" 2e35a81ea95bf6f83fcb8cb27bf085360f79abd01a88fa79406a82a4195efe12.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\hvrtsny\srokqidj = 1e01f82f7804e0bff108 2e35a81ea95bf6f83fcb8cb27bf085360f79abd01a88fa79406a82a4195efe12.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 704 set thread context of 1724 704 2e35a81ea95bf6f83fcb8cb27bf085360f79abd01a88fa79406a82a4195efe12.exe 27 -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 704 2e35a81ea95bf6f83fcb8cb27bf085360f79abd01a88fa79406a82a4195efe12.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 704 2e35a81ea95bf6f83fcb8cb27bf085360f79abd01a88fa79406a82a4195efe12.exe 704 2e35a81ea95bf6f83fcb8cb27bf085360f79abd01a88fa79406a82a4195efe12.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 704 wrote to memory of 1724 704 2e35a81ea95bf6f83fcb8cb27bf085360f79abd01a88fa79406a82a4195efe12.exe 27 PID 704 wrote to memory of 1724 704 2e35a81ea95bf6f83fcb8cb27bf085360f79abd01a88fa79406a82a4195efe12.exe 27 PID 704 wrote to memory of 1724 704 2e35a81ea95bf6f83fcb8cb27bf085360f79abd01a88fa79406a82a4195efe12.exe 27 PID 704 wrote to memory of 1724 704 2e35a81ea95bf6f83fcb8cb27bf085360f79abd01a88fa79406a82a4195efe12.exe 27 PID 704 wrote to memory of 1724 704 2e35a81ea95bf6f83fcb8cb27bf085360f79abd01a88fa79406a82a4195efe12.exe 27 PID 704 wrote to memory of 1724 704 2e35a81ea95bf6f83fcb8cb27bf085360f79abd01a88fa79406a82a4195efe12.exe 27 PID 704 wrote to memory of 1724 704 2e35a81ea95bf6f83fcb8cb27bf085360f79abd01a88fa79406a82a4195efe12.exe 27 PID 704 wrote to memory of 1724 704 2e35a81ea95bf6f83fcb8cb27bf085360f79abd01a88fa79406a82a4195efe12.exe 27 PID 704 wrote to memory of 1724 704 2e35a81ea95bf6f83fcb8cb27bf085360f79abd01a88fa79406a82a4195efe12.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\2e35a81ea95bf6f83fcb8cb27bf085360f79abd01a88fa79406a82a4195efe12.exe"C:\Users\Admin\AppData\Local\Temp\2e35a81ea95bf6f83fcb8cb27bf085360f79abd01a88fa79406a82a4195efe12.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:704 -
C:\Users\Admin\AppData\Local\Temp\2e35a81ea95bf6f83fcb8cb27bf085360f79abd01a88fa79406a82a4195efe12.exe"C:\Users\Admin\AppData\Local\Temp\2e35a81ea95bf6f83fcb8cb27bf085360f79abd01a88fa79406a82a4195efe12.exe"2⤵
- Loads dropped DLL
- Adds Run key to start application
- Modifies WinLogon
PID:1724
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
30KB
MD5a38e18ed0e0317c84cc03d06d3f9494b
SHA1cedd8bcd404dbd6ac3f25353729e82777746bafd
SHA256cc15756a0ec3d7626873b3eda670b62275e51a3b1ae027df3c8cdeed40ef81dd
SHA512e6ff9bc1e517b6424381aa45f9cf27f824fa1bc7f73d45cd10897e385e63cc2cf66f65cb2c0d145e28c60869a5d9085b29705f28796f3a2185c21faacd50b808