Analysis
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max time kernel
234s -
max time network
257s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
25/12/2023, 23:00
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
41d252b23b8cbf3a68e88f4fde81edd1.exe
Resource
win7-20231215-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
41d252b23b8cbf3a68e88f4fde81edd1.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
41d252b23b8cbf3a68e88f4fde81edd1.exe
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Size
132KB
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MD5
41d252b23b8cbf3a68e88f4fde81edd1
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SHA1
72d95fb479adaa8697fcdce251ab6b1c51ac6dd7
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SHA256
5b39ca0f6f3ba545394ad3e11e00ab3724659cfb5a4dcd37a16bc18bc2c5d93c
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SHA512
796508e3df59e9aa7d633671977e458677dec0cb438d886cde1b1ba36cec17ba0246e54810b8030a5c0dcb0ad84d999900cd99378911661e4d71eb567a0f5f8b
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SSDEEP
1536:vwWmIgYu9+7gWbrimfWSeJFzkRcTwdEQdIumgDL0FfxTGWpip5UhHR:vwlT8gWi2eJFzkRswUumgDLOfbiHWHR
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-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 41d252b23b8cbf3a68e88f4fde81edd1.exe Set value (int) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" nahag.exe -
Executes dropped EXE 1 IoCs
pid Process 1460 nahag.exe -
Loads dropped DLL 2 IoCs
pid Process 2636 41d252b23b8cbf3a68e88f4fde81edd1.exe 2636 41d252b23b8cbf3a68e88f4fde81edd1.exe -
Adds Run key to start application 2 TTPs 51 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /q" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /e" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /o" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /E" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /N" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /c" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /r" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /B" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /G" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /L" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /W" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /y" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /m" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /n" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /F" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /a" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /T" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /K" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /u" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /O" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /z" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /S" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /d" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /h" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /U" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /D" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /j" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /v" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /Z" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /l" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /M" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /i" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /b" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /C" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /p" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /Q" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /k" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /P" 41d252b23b8cbf3a68e88f4fde81edd1.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /x" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /H" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /J" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /s" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /f" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /Y" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /V" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /w" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /g" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /X" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /I" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /R" nahag.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\nahag = "C:\\Users\\Admin\\nahag.exe /A" nahag.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 2636 41d252b23b8cbf3a68e88f4fde81edd1.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe 1460 nahag.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2636 41d252b23b8cbf3a68e88f4fde81edd1.exe 1460 nahag.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2636 wrote to memory of 1460 2636 41d252b23b8cbf3a68e88f4fde81edd1.exe 28 PID 2636 wrote to memory of 1460 2636 41d252b23b8cbf3a68e88f4fde81edd1.exe 28 PID 2636 wrote to memory of 1460 2636 41d252b23b8cbf3a68e88f4fde81edd1.exe 28 PID 2636 wrote to memory of 1460 2636 41d252b23b8cbf3a68e88f4fde81edd1.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\41d252b23b8cbf3a68e88f4fde81edd1.exe"C:\Users\Admin\AppData\Local\Temp\41d252b23b8cbf3a68e88f4fde81edd1.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2636 -
C:\Users\Admin\nahag.exe"C:\Users\Admin\nahag.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:1460
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
132KB
MD59ce7a89386a76ab9db1338891e59eae4
SHA1993fca22d20c273d11c199fc85a8e9cfa692e1ef
SHA25694d007d36a0a77894b750c5c1a75790f1fa98c4b8e413378e019b5dc1a707e4d
SHA512ad1a5218a437c2827a65ff3fa29c1a83c93d7b13e861214098a3b5185f75f433a4b6a39f12c6869012bb3a2c5a18e51dd26b0c68bf34de92d27fa4976aa3f9ca