Analysis
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max time kernel
150s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
09-03-2024 14:21
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
bc06b9da1e59b0277b9e49990a32360c.exe
Resource
win7-20240221-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
bc06b9da1e59b0277b9e49990a32360c.exe
Resource
win10v2004-20240226-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
bc06b9da1e59b0277b9e49990a32360c.exe
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Size
268KB
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MD5
bc06b9da1e59b0277b9e49990a32360c
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SHA1
b07627da8ca1a6476c742762d226d551d547d774
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SHA256
ce3cf4753f34ddad9cdc6780c2b96479eab56af8faaee446001b023a09901eb2
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SHA512
59758329975f575089a542f90cd77c0e36c3c6a2ded0ebee429a3c1e71b2f05e72caf07a7604be917b163583be4ec450cba8ccab6fa19c4a011a0c057af3afc9
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SSDEEP
6144:jdthUCHm6phTke4b/Dx3jzfusLdZ/G/f5uZBx4h98cUJRgvQHVGQB9jwUJ5b5LQu:vhUsm6phTqZuIfShGgIRgvQHVGQ9h
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" yltaar.exe -
Executes dropped EXE 1 IoCs
pid Process 2124 yltaar.exe -
Loads dropped DLL 2 IoCs
pid Process 2068 bc06b9da1e59b0277b9e49990a32360c.exe 2068 bc06b9da1e59b0277b9e49990a32360c.exe -
Adds Run key to start application 2 TTPs 51 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /i" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /r" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /v" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /b" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /n" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /g" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /U" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /P" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /A" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /p" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /Z" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /z" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /Y" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /c" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /Q" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /L" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /f" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /M" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /x" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /h" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /X" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /H" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /l" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /T" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /E" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /K" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /F" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /J" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /S" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /B" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /I" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /R" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /e" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /o" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /k" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /N" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /W" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /q" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /d" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /t" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /u" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /y" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /s" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /a" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /G" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /j" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /D" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /w" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /V" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /O" yltaar.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\yltaar = "C:\\Users\\Admin\\yltaar.exe /C" yltaar.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe 2124 yltaar.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2068 bc06b9da1e59b0277b9e49990a32360c.exe 2124 yltaar.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2068 wrote to memory of 2124 2068 bc06b9da1e59b0277b9e49990a32360c.exe 28 PID 2068 wrote to memory of 2124 2068 bc06b9da1e59b0277b9e49990a32360c.exe 28 PID 2068 wrote to memory of 2124 2068 bc06b9da1e59b0277b9e49990a32360c.exe 28 PID 2068 wrote to memory of 2124 2068 bc06b9da1e59b0277b9e49990a32360c.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\bc06b9da1e59b0277b9e49990a32360c.exe"C:\Users\Admin\AppData\Local\Temp\bc06b9da1e59b0277b9e49990a32360c.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2068 -
C:\Users\Admin\yltaar.exe"C:\Users\Admin\yltaar.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2124
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
268KB
MD5a712847e8d5c96af28c375c582967bbc
SHA1e6b07a4f78e614cedb5b21a838e4f2a0b18223c7
SHA25608030fde517a353462b0bcd0cef32c66beae1e1bb29e5dd51f860629436fb8da
SHA512307e1c353c86ee1b23559b6cf7564f01db6d0ede981db66646c16890aa46f97ec8ec5b8d93bcaecfe0775b70747ccbfeaaed9966d658ffa9193b9f453f9c4399