Analysis
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max time kernel
150s -
max time network
146s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
03/05/2024, 00:12
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
8581038857c7a438f2b77008133960c8834755fb2a1913ccd64c4849ea223e5a.exe
Resource
win7-20240221-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
8581038857c7a438f2b77008133960c8834755fb2a1913ccd64c4849ea223e5a.exe
Resource
win10v2004-20240419-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
8581038857c7a438f2b77008133960c8834755fb2a1913ccd64c4849ea223e5a.exe
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Size
56KB
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MD5
a6a3ae2aaf39578d88933a5d2572ec5f
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SHA1
3c367e67a2ba3c019de17ba8f3338a5a645201fc
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SHA256
8581038857c7a438f2b77008133960c8834755fb2a1913ccd64c4849ea223e5a
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SHA512
8d894e570248c0d1083caa408b0de1ded67c3831cf52c65df61dfc68fe7d9e44212bdb9482e3fd73a1b9f7ccabc0342270c233cb6435fd96b5fa8392ed69945c
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SSDEEP
1536:S3UchKQgnRt9UdLw6BNMyBhXZxHJ6P6D5oL:Ugz07JjD5oL
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-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" kzguec.exe -
Executes dropped EXE 1 IoCs
pid Process 280 kzguec.exe -
Loads dropped DLL 2 IoCs
pid Process 2944 8581038857c7a438f2b77008133960c8834755fb2a1913ccd64c4849ea223e5a.exe 2944 8581038857c7a438f2b77008133960c8834755fb2a1913ccd64c4849ea223e5a.exe -
Adds Run key to start application 2 TTPs 52 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /W" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /C" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /i" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /m" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /F" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /X" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /E" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /b" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /c" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /I" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /S" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /p" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /R" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /q" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /f" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /g" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /s" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /K" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /H" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /r" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /N" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /G" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /a" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /w" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /j" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /V" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /D" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /Z" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /z" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /e" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /L" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /U" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /v" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /A" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /P" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /o" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /t" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /M" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /T" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /u" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /n" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /k" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /d" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /Y" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /x" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /l" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /h" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /J" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /O" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /y" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /Q" kzguec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\kzguec = "C:\\Users\\Admin\\kzguec.exe /B" kzguec.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 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe 280 kzguec.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2944 8581038857c7a438f2b77008133960c8834755fb2a1913ccd64c4849ea223e5a.exe 280 kzguec.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2944 wrote to memory of 280 2944 8581038857c7a438f2b77008133960c8834755fb2a1913ccd64c4849ea223e5a.exe 28 PID 2944 wrote to memory of 280 2944 8581038857c7a438f2b77008133960c8834755fb2a1913ccd64c4849ea223e5a.exe 28 PID 2944 wrote to memory of 280 2944 8581038857c7a438f2b77008133960c8834755fb2a1913ccd64c4849ea223e5a.exe 28 PID 2944 wrote to memory of 280 2944 8581038857c7a438f2b77008133960c8834755fb2a1913ccd64c4849ea223e5a.exe 28 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27 PID 280 wrote to memory of 2944 280 kzguec.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\8581038857c7a438f2b77008133960c8834755fb2a1913ccd64c4849ea223e5a.exe"C:\Users\Admin\AppData\Local\Temp\8581038857c7a438f2b77008133960c8834755fb2a1913ccd64c4849ea223e5a.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2944 -
C:\Users\Admin\kzguec.exe"C:\Users\Admin\kzguec.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
- Suspicious use of WriteProcessMemory
PID:280
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
56KB
MD5c721289751559ed2038208b3510fdf3c
SHA118791a0c71885a568d6f30e18814e13240047e93
SHA256fad19bf6bd178e4cc3fb745d648c8a7e6a63c4444d11405b90f04ea270f2b769
SHA5125eb9ebee4a855cb08a8ed1d3eae9e5f8279fcdffa9287be242829b274cfe32e68a7b1be7461a3b9324c68200099a726d0befa6d2a6c249d3569dbbc424e86ff4