Analysis
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max time kernel
119s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
20/09/2024, 07:31
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
407640d8df3b475239ca21733cfe450ce50ca3be2f60b71201e4f1b03a3b47fbN.exe
Resource
win7-20240903-en
windows7-x64
9 signatures
120 seconds
Behavioral task
behavioral2
Sample
407640d8df3b475239ca21733cfe450ce50ca3be2f60b71201e4f1b03a3b47fbN.exe
Resource
win10v2004-20240910-en
windows10-2004-x64
9 signatures
120 seconds
General
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Target
407640d8df3b475239ca21733cfe450ce50ca3be2f60b71201e4f1b03a3b47fbN.exe
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Size
232KB
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MD5
e5e8582082d3937b273cabea84b47b20
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SHA1
16a5a4625db5ddff1ce94d0d5f698be7044cd55c
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SHA256
407640d8df3b475239ca21733cfe450ce50ca3be2f60b71201e4f1b03a3b47fb
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SHA512
6301c8b2c2952869b115dcc64760c0dea325c673cc3bf084402ad06615cdbfaf259b88e91ebc8ad9c7085d7fccf88056fe74c3fe1bf6462b96527e4d611e8416
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SSDEEP
6144:wW3PFKs78g2KyEOaWEqxF6snji81RUinKdNO2:ZPh+mF3
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" beifaa.exe Set value (int) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 407640d8df3b475239ca21733cfe450ce50ca3be2f60b71201e4f1b03a3b47fbN.exe -
Executes dropped EXE 1 IoCs
pid Process 2840 beifaa.exe -
Loads dropped DLL 2 IoCs
pid Process 2764 407640d8df3b475239ca21733cfe450ce50ca3be2f60b71201e4f1b03a3b47fbN.exe 2764 407640d8df3b475239ca21733cfe450ce50ca3be2f60b71201e4f1b03a3b47fbN.exe -
Adds Run key to start application 2 TTPs 27 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\beifaa = "C:\\Users\\Admin\\beifaa.exe /h" beifaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\beifaa = "C:\\Users\\Admin\\beifaa.exe /g" beifaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\beifaa = "C:\\Users\\Admin\\beifaa.exe /f" beifaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\beifaa = "C:\\Users\\Admin\\beifaa.exe /z" beifaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\beifaa = "C:\\Users\\Admin\\beifaa.exe /w" beifaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\beifaa = "C:\\Users\\Admin\\beifaa.exe /u" beifaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\beifaa = "C:\\Users\\Admin\\beifaa.exe /b" beifaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\beifaa = "C:\\Users\\Admin\\beifaa.exe /e" beifaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\beifaa = "C:\\Users\\Admin\\beifaa.exe /x" beifaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\beifaa = "C:\\Users\\Admin\\beifaa.exe /k" beifaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\beifaa = "C:\\Users\\Admin\\beifaa.exe /y" beifaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\beifaa = "C:\\Users\\Admin\\beifaa.exe /t" beifaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\beifaa = "C:\\Users\\Admin\\beifaa.exe /c" beifaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\beifaa = "C:\\Users\\Admin\\beifaa.exe /v" beifaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\beifaa = "C:\\Users\\Admin\\beifaa.exe /j" beifaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\beifaa = "C:\\Users\\Admin\\beifaa.exe /n" beifaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\beifaa = "C:\\Users\\Admin\\beifaa.exe /p" beifaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\beifaa = "C:\\Users\\Admin\\beifaa.exe /s" beifaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\beifaa = "C:\\Users\\Admin\\beifaa.exe /m" beifaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\beifaa = "C:\\Users\\Admin\\beifaa.exe /i" beifaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\beifaa = "C:\\Users\\Admin\\beifaa.exe /l" beifaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\beifaa = "C:\\Users\\Admin\\beifaa.exe /a" beifaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\beifaa = "C:\\Users\\Admin\\beifaa.exe /o" beifaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\beifaa = "C:\\Users\\Admin\\beifaa.exe /t" 407640d8df3b475239ca21733cfe450ce50ca3be2f60b71201e4f1b03a3b47fbN.exe Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\beifaa = "C:\\Users\\Admin\\beifaa.exe /q" beifaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\beifaa = "C:\\Users\\Admin\\beifaa.exe /d" beifaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\beifaa = "C:\\Users\\Admin\\beifaa.exe /r" beifaa.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 407640d8df3b475239ca21733cfe450ce50ca3be2f60b71201e4f1b03a3b47fbN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language beifaa.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2764 407640d8df3b475239ca21733cfe450ce50ca3be2f60b71201e4f1b03a3b47fbN.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe 2840 beifaa.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2764 407640d8df3b475239ca21733cfe450ce50ca3be2f60b71201e4f1b03a3b47fbN.exe 2840 beifaa.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2764 wrote to memory of 2840 2764 407640d8df3b475239ca21733cfe450ce50ca3be2f60b71201e4f1b03a3b47fbN.exe 31 PID 2764 wrote to memory of 2840 2764 407640d8df3b475239ca21733cfe450ce50ca3be2f60b71201e4f1b03a3b47fbN.exe 31 PID 2764 wrote to memory of 2840 2764 407640d8df3b475239ca21733cfe450ce50ca3be2f60b71201e4f1b03a3b47fbN.exe 31 PID 2764 wrote to memory of 2840 2764 407640d8df3b475239ca21733cfe450ce50ca3be2f60b71201e4f1b03a3b47fbN.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\407640d8df3b475239ca21733cfe450ce50ca3be2f60b71201e4f1b03a3b47fbN.exe"C:\Users\Admin\AppData\Local\Temp\407640d8df3b475239ca21733cfe450ce50ca3be2f60b71201e4f1b03a3b47fbN.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2764 -
C:\Users\Admin\beifaa.exe"C:\Users\Admin\beifaa.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2840
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
232KB
MD5d6edc1a86b8f82a1e5bd342f680b480b
SHA189ba13ceee77c3ee1850e3a9b0135500ec45bb41
SHA256348ed67d47b59143691606c3e024998b1afbb72a5bc1fcfce9b9a9f959fd0a68
SHA5129ee04bf3003df15edbc8543a53fb2424047aa1251fa1b95e01db4af44da0a67f4694345acb057a00221d4e7b3ba82be042e73036c61ee97f1712fd6bf9138938