Analysis
- max time kernel
149s - max time network
99s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system - submitted
02/06/2024, 22:29
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe
Resource
win7-20240221-en
windows7-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe
Resource
win10v2004-20240426-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe
- Size 82KB
- Sample240602-2ef26shd2s
- SHA256 eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608
- MD5 c1bfa09dc001379686eb26868e845cee
- SHA1 41060d570528896cf4bed1037ed8f1e17c32fc99
- SHA512 96e205b5ecdb261ef7a13fe8b5324a1f9fe0469ee5c3fc0d32f0c522bfa38ec0d0432a065077a33efd4f38adb6f86e20cadf2c5dabc89f1fb12d93eacfd59665
- SSDEEP 1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOb8s:GhfxHNIreQm+Hik8s
- MD5 SHA1 SHA512 SSDEEP
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4872 rundll32.exe - Modifies system executable filetype association 2 TTPs 5 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe - Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\¢«.exe eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe File created C:\Windows\SysWOW64\¢«.exe eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe File created C:\Windows\SysWOW64\notepad¢¬.exe eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe File created C:\Windows\system\rundll32.exe eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe - Modifies registry class 15 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1717367378" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1717367378" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506" rundll32.exe - Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 1444 eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe 1444 eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe 1444 eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe 1444 eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe 1444 eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe 1444 eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe 1444 eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe 1444 eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe 1444 eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe 1444 eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe 1444 eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe 1444 eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe 1444 eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe 1444 eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe 1444 eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe 1444 eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe 1444 eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe 1444 eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe 1444 eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe 1444 eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe 1444 eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe 1444 eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe 1444 eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe 1444 eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe 1444 eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe 1444 eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe 1444 eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe 1444 eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4872 rundll32.exe - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 1444 eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe 4872 rundll32.exe 4872 rundll32.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1444 wrote to memory of 4872 1444 eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe 85 PID 1444 wrote to memory of 4872 1444 eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe 85 PID 1444 wrote to memory of 4872 1444 eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe"C:\Users\Admin\AppData\Local\Temp\eec362ff5acad006bee6079d1408a29ac19e29f5b5a8775b3935052568f13608.exe"1⤵
- Modifies system executable filetype association
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1444 -
C:\Windows\system\rundll32.exeC:\Windows\system\rundll32.exe2⤵
- Executes dropped EXE
- Modifies system executable filetype association
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:4872
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\notepad¢¬.exe
- Size 80KB
- SHA256 00241433dfa2e6f55833b436553755e5c63f4dd99a258864e87e508d8831cdb5
- MD5 5d87dd5f9364845bca37781244e9a613
- SHA1 6bfd8215b0c707915e0aca13e67a3fa597687ca9
- SHA512 35ef0d877a78d34043742596b6255096a4527079c5e467e98f211ba95db502ff77dbe269c7db6b2dd0b833a85b0ebb14fa87e06a8f87a9f916025aec20f9aa6f
- SSDEEP 1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWO4IMZdx:GhfxHNIreQm+HiLIMZdx
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\system\rundll32.exe
- Size 74KB
- SHA256 e721936fc7d81e6740d839d3fcf1ffa743bd95f20c4f6d6c69655f492fd870cb
- MD5 cba6b59a49d3d66fcc7da46f031154cb
- SHA1 7da410e1e57abf2df63a3906d9db63edab8bb61f
- SHA512 5b434f5957f11b5ed3c1b2d6b778d8ed0d41a2090f628e266e3529b85b105326fc325f7ff2d510d859d4ba02696b789c80032a3561890c292ea9c736519714c4
- SSDEEP 768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWO:RshfSWHHNvoLqNwDDGw02eQmh0HjWO
- MD5 SHA1 SHA512 SSDEEP