Analysis
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max time kernel
149s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
09/06/2024, 07:36
Static task
static1
Behavioral task
behavioral1
Sample
d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe
Resource
win10v2004-20240508-en
General
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Target
d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe
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Size
84KB
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MD5
078752714ef8b94bccabe9babfd37cd3
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SHA1
54847c6c6a82638ab9cb2bf8bf80880944160814
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SHA256
d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea
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SHA512
dc2d06591e03cab2a662d50fd16ba6a4d1010f0492e9844867a2820f55d9f5b1d33a76f23b00a87609a497d6619662a3329838f34b2c4dd6b81d1a14f44b199f
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SSDEEP
1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWO6uQvHqierixriSTio:GhfxHNIreQm+HiluQvHqierixriSTio
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 3228 rundll32.exe -
Modifies system executable filetype association 2 TTPs 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.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 -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\¢«.exe d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe File created C:\Windows\SysWOW64\¢«.exe d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe File created C:\Windows\SysWOW64\notepad¢¬.exe d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe File created C:\Windows\system\rundll32.exe d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe -
Modifies registry class 15 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\MSipv d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.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 rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1717918578" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1717918578" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.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 -
Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 1800 d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe 1800 d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe 1800 d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe 1800 d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe 1800 d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe 1800 d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe 1800 d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe 1800 d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe 1800 d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe 1800 d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe 1800 d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe 1800 d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe 1800 d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe 1800 d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe 1800 d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe 1800 d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe 1800 d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe 1800 d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe 1800 d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe 1800 d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe 1800 d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe 1800 d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe 1800 d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe 1800 d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe 1800 d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe 1800 d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe 1800 d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe 1800 d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3228 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 1800 d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe 3228 rundll32.exe 3228 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1800 wrote to memory of 3228 1800 d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe 85 PID 1800 wrote to memory of 3228 1800 d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe 85 PID 1800 wrote to memory of 3228 1800 d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.exe"C:\Users\Admin\AppData\Local\Temp\d2ef4d3c6d92b82e4defffcc8cc26d9faae5275672dcc38bbef80e302f09afea.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:1800 -
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:3228
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
74KB
MD5d104d9fe05fb73207401cfe3b7711549
SHA1eb326e8b281b4fcffd055a7450ef166b77c7ac28
SHA2564894ad648926063c8bedeea930fec8cb3b1228c6ec545f2e59e9f30d1dfd4e4e
SHA512b38116003ffcd94834cdb7d8d130cf0c0354fb4aef31f21759dd5d65324a9da7a75632ad2020aa609c872f3aeada15d76b9013235ec7befbc3c7b539e9cf9100
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Filesize
77KB
MD5c531b260c3f9e5205f79c2078b67e27b
SHA153fce97c0069c388862359fcdd4b68121beb055d
SHA25675f96264f8e125984cef198a21dd040ddf00b37e4bbf91c3943ce6de604786b1
SHA512f2f52374eeea3b267e20670d5ede6b13511f81ef96ad73700d32bad6d4d087fbc79478be5a63050a593151d2625405ecc2657cf6ac45ee8564021a7e4c17bb11