Analysis
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max time kernel
119s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
11/11/2024, 12:42
Static task
static1
Behavioral task
behavioral1
Sample
f72833deb487adb65ad79f0c4d2df51ea753f0206af18e8c72fa1916a066ffc9N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
f72833deb487adb65ad79f0c4d2df51ea753f0206af18e8c72fa1916a066ffc9N.exe
Resource
win10v2004-20241007-en
General
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Target
f72833deb487adb65ad79f0c4d2df51ea753f0206af18e8c72fa1916a066ffc9N.exe
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Size
84KB
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MD5
dc7b3c0f11fe1f5738b649f9d36782c6
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SHA1
e2eee284f4e3ac477eadde6b53ccc725b7aacaaa
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SHA256
8a77240a1437b5c433fd3e79358be8411ffb5422b297641f0a52c0feeb19ef40
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SHA512
baff6e6adba0e591c91d0bfee1abf78fe69985cd8fa68d9ebff7f8d5a1b1b92f1b32aa6f6677488fd5254137dab89c21ecb67c584fdf3a9f8b67c6358459eb3b
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SSDEEP
768:sv6nMfqPS4BMSrc8ebdtF5EmpW/p/hxRSH9NxIkL9v/Q6sWTMR2iRw:svgBoZKmpSFhxRSHdL9bsi42iRw
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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" juekug.exe -
Executes dropped EXE 1 IoCs
pid Process 2548 juekug.exe -
Loads dropped DLL 2 IoCs
pid Process 2384 f72833deb487adb65ad79f0c4d2df51ea753f0206af18e8c72fa1916a066ffc9N.exe 2384 f72833deb487adb65ad79f0c4d2df51ea753f0206af18e8c72fa1916a066ffc9N.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\juekug = "C:\\Users\\Admin\\juekug.exe" juekug.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 1736 2384 WerFault.exe 30 -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f72833deb487adb65ad79f0c4d2df51ea753f0206af18e8c72fa1916a066ffc9N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language juekug.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe 2548 juekug.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2384 f72833deb487adb65ad79f0c4d2df51ea753f0206af18e8c72fa1916a066ffc9N.exe 2548 juekug.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 2384 wrote to memory of 2548 2384 f72833deb487adb65ad79f0c4d2df51ea753f0206af18e8c72fa1916a066ffc9N.exe 31 PID 2384 wrote to memory of 2548 2384 f72833deb487adb65ad79f0c4d2df51ea753f0206af18e8c72fa1916a066ffc9N.exe 31 PID 2384 wrote to memory of 2548 2384 f72833deb487adb65ad79f0c4d2df51ea753f0206af18e8c72fa1916a066ffc9N.exe 31 PID 2384 wrote to memory of 2548 2384 f72833deb487adb65ad79f0c4d2df51ea753f0206af18e8c72fa1916a066ffc9N.exe 31 PID 2384 wrote to memory of 1736 2384 f72833deb487adb65ad79f0c4d2df51ea753f0206af18e8c72fa1916a066ffc9N.exe 32 PID 2384 wrote to memory of 1736 2384 f72833deb487adb65ad79f0c4d2df51ea753f0206af18e8c72fa1916a066ffc9N.exe 32 PID 2384 wrote to memory of 1736 2384 f72833deb487adb65ad79f0c4d2df51ea753f0206af18e8c72fa1916a066ffc9N.exe 32 PID 2384 wrote to memory of 1736 2384 f72833deb487adb65ad79f0c4d2df51ea753f0206af18e8c72fa1916a066ffc9N.exe 32 PID 2548 wrote to memory of 2384 2548 juekug.exe 30 PID 2548 wrote to memory of 2384 2548 juekug.exe 30 PID 2548 wrote to memory of 1736 2548 juekug.exe 32 PID 2548 wrote to memory of 1736 2548 juekug.exe 32 PID 2548 wrote to memory of 2384 2548 juekug.exe 30 PID 2548 wrote to memory of 2384 2548 juekug.exe 30 PID 2548 wrote to memory of 1736 2548 juekug.exe 32 PID 2548 wrote to memory of 1736 2548 juekug.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\f72833deb487adb65ad79f0c4d2df51ea753f0206af18e8c72fa1916a066ffc9N.exe"C:\Users\Admin\AppData\Local\Temp\f72833deb487adb65ad79f0c4d2df51ea753f0206af18e8c72fa1916a066ffc9N.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2384 -
C:\Users\Admin\juekug.exe"C:\Users\Admin\juekug.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2548
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2384 -s 7882⤵
- Program crash
PID:1736
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
84KB
MD52942d8ef7454330f849e65bbbe8f3489
SHA180a977af8abebfb91ce591539c457c39b9b1d1fa
SHA256a5f2fd6174d571b47449670fdb2596820a1942c7cf046d101b5f56930c805a69
SHA512408f1a4cf1f0d7d3bca23d600e100ff4c9ea68327e716142c67e8d7824a71aae796e1f658e7843d9097d9d777a8f911341bd8b1ec622ddb386ae921ed6590c40