Analysis
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max time kernel
193s -
max time network
222s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
05/01/2024, 12:42
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
43b57d2bd8b7a12e9968f2cc87c67336.exe
Resource
win7-20231215-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
43b57d2bd8b7a12e9968f2cc87c67336.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
43b57d2bd8b7a12e9968f2cc87c67336.exe
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Size
256KB
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MD5
43b57d2bd8b7a12e9968f2cc87c67336
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SHA1
5d858dae4b7299ee5134a76c1f779e7ec44fc2b9
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SHA256
9519622986e4d54ebe0601a7fdcde8a0f48954e0c3431455607a8a6350903661
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SHA512
cfbfb396e7f4d7eae3b6b770333d14f62d0ebdf2234a2da49d52467ba6e4127cfb690c99d9156733ed18492789a4ea3fa85010c88041bb8906967a4c1ba2237d
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SSDEEP
3072:U3ZVoeZPlp/nskpCUv5T79fzCC/M7BFsqMabeYiUDoZG533ygo:CfhPlptNvl9fm0UBFsqMabeYiUDogpF
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" 43b57d2bd8b7a12e9968f2cc87c67336.exe Set value (int) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" ntdus.exe -
Executes dropped EXE 1 IoCs
pid Process 2540 ntdus.exe -
Loads dropped DLL 2 IoCs
pid Process 2732 43b57d2bd8b7a12e9968f2cc87c67336.exe 2732 43b57d2bd8b7a12e9968f2cc87c67336.exe -
Adds Run key to start application 2 TTPs 52 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /C" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /D" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /A" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /f" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /b" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /J" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /S" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /t" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /a" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /K" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /X" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /r" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /Y" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /g" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /k" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /G" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /B" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /L" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /H" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /F" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /p" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /x" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /Q" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /E" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /o" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /N" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /j" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /l" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /s" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /y" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /i" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /w" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /M" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /d" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /h" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /P" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /u" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /m" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /R" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /z" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /U" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /O" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /e" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /t" 43b57d2bd8b7a12e9968f2cc87c67336.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /T" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /Z" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /c" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /V" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /v" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /q" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /W" ntdus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntdus = "C:\\Users\\Admin\\ntdus.exe /I" ntdus.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 2732 43b57d2bd8b7a12e9968f2cc87c67336.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe 2540 ntdus.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2732 43b57d2bd8b7a12e9968f2cc87c67336.exe 2540 ntdus.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2732 wrote to memory of 2540 2732 43b57d2bd8b7a12e9968f2cc87c67336.exe 29 PID 2732 wrote to memory of 2540 2732 43b57d2bd8b7a12e9968f2cc87c67336.exe 29 PID 2732 wrote to memory of 2540 2732 43b57d2bd8b7a12e9968f2cc87c67336.exe 29 PID 2732 wrote to memory of 2540 2732 43b57d2bd8b7a12e9968f2cc87c67336.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\43b57d2bd8b7a12e9968f2cc87c67336.exe"C:\Users\Admin\AppData\Local\Temp\43b57d2bd8b7a12e9968f2cc87c67336.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:2732 -
C:\Users\Admin\ntdus.exe"C:\Users\Admin\ntdus.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:2540
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
256KB
MD585588dc365c7b04b3ee937b38ab07c20
SHA1b1097d815be8086885a7c6d729f83b798c2859d5
SHA256eb564ae390c3c8d062ea166270b8070b12d689a8f985eaee0f2374cf9835f8f2
SHA512a93e77506057644782f33ea79ada06890426829526e37ca9a50e48cb56523a8e4851306290f9d1e571d9c3b17de8476fc5226a539d519fdb9475ca7bb300e2d5