Analysis
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max time kernel
81s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
10/03/2024, 01:29
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
bd4e2333a4b7655a335b2117fd3e1b22.exe
Resource
win7-20240221-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
bd4e2333a4b7655a335b2117fd3e1b22.exe
Resource
win10v2004-20240226-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
bd4e2333a4b7655a335b2117fd3e1b22.exe
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Size
220KB
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MD5
bd4e2333a4b7655a335b2117fd3e1b22
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SHA1
03c9015bfc33a7397f6ac952b0f6af614b2b4814
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SHA256
6e133d29fd50ce1fc55535f69c2a7a548c7e143e503b51d74a46ed88fc212100
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SHA512
56444a39119e33bcaebe1ce015b320ffc94b940c0ba8ecfa571089126340aa0be24c6070705b01f7628c3eaad98341666f611d332d527d7b5d87fd9177acba3c
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SSDEEP
3072:/NDsq8hK+H8NPvw85gVzaSCzWTG2KAikGFngaXjkJ+WJv:FDXcKZpvjgzNmhTIJD
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-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" bd4e2333a4b7655a335b2117fd3e1b22.exe Set value (int) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" tueku.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation bd4e2333a4b7655a335b2117fd3e1b22.exe -
Executes dropped EXE 1 IoCs
pid Process 4784 tueku.exe -
Adds Run key to start application 2 TTPs 26 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tueku = "C:\\Users\\Admin\\tueku.exe /j" tueku.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tueku = "C:\\Users\\Admin\\tueku.exe /e" tueku.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tueku = "C:\\Users\\Admin\\tueku.exe /h" tueku.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tueku = "C:\\Users\\Admin\\tueku.exe /s" tueku.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tueku = "C:\\Users\\Admin\\tueku.exe /z" tueku.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tueku = "C:\\Users\\Admin\\tueku.exe /q" tueku.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tueku = "C:\\Users\\Admin\\tueku.exe /a" tueku.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tueku = "C:\\Users\\Admin\\tueku.exe /v" tueku.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tueku = "C:\\Users\\Admin\\tueku.exe /l" bd4e2333a4b7655a335b2117fd3e1b22.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tueku = "C:\\Users\\Admin\\tueku.exe /y" tueku.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tueku = "C:\\Users\\Admin\\tueku.exe /r" tueku.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tueku = "C:\\Users\\Admin\\tueku.exe /c" tueku.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tueku = "C:\\Users\\Admin\\tueku.exe /b" tueku.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tueku = "C:\\Users\\Admin\\tueku.exe /w" tueku.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tueku = "C:\\Users\\Admin\\tueku.exe /x" tueku.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tueku = "C:\\Users\\Admin\\tueku.exe /u" tueku.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tueku = "C:\\Users\\Admin\\tueku.exe /k" tueku.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tueku = "C:\\Users\\Admin\\tueku.exe /d" tueku.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tueku = "C:\\Users\\Admin\\tueku.exe /o" tueku.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tueku = "C:\\Users\\Admin\\tueku.exe /t" tueku.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tueku = "C:\\Users\\Admin\\tueku.exe /p" tueku.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tueku = "C:\\Users\\Admin\\tueku.exe /n" tueku.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tueku = "C:\\Users\\Admin\\tueku.exe /m" tueku.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tueku = "C:\\Users\\Admin\\tueku.exe /i" tueku.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tueku = "C:\\Users\\Admin\\tueku.exe /l" tueku.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tueku = "C:\\Users\\Admin\\tueku.exe /f" tueku.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000_Classes\Local Settings bd4e2333a4b7655a335b2117fd3e1b22.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1856 bd4e2333a4b7655a335b2117fd3e1b22.exe 1856 bd4e2333a4b7655a335b2117fd3e1b22.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe 4784 tueku.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1856 bd4e2333a4b7655a335b2117fd3e1b22.exe 4784 tueku.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1856 wrote to memory of 4784 1856 bd4e2333a4b7655a335b2117fd3e1b22.exe 91 PID 1856 wrote to memory of 4784 1856 bd4e2333a4b7655a335b2117fd3e1b22.exe 91 PID 1856 wrote to memory of 4784 1856 bd4e2333a4b7655a335b2117fd3e1b22.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\bd4e2333a4b7655a335b2117fd3e1b22.exe"C:\Users\Admin\AppData\Local\Temp\bd4e2333a4b7655a335b2117fd3e1b22.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1856 -
C:\Users\Admin\tueku.exe"C:\Users\Admin\tueku.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:4784
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:1468
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
220KB
MD5bd4e2333a4b7655a335b2117fd3e1b22
SHA103c9015bfc33a7397f6ac952b0f6af614b2b4814
SHA2566e133d29fd50ce1fc55535f69c2a7a548c7e143e503b51d74a46ed88fc212100
SHA51256444a39119e33bcaebe1ce015b320ffc94b940c0ba8ecfa571089126340aa0be24c6070705b01f7628c3eaad98341666f611d332d527d7b5d87fd9177acba3c