Analysis
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max time kernel
149s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
21-05-2024 14:17
Static task
static1
Behavioral task
behavioral1
Sample
e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe
Resource
win10v2004-20240508-en
General
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Target
e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe
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Size
78KB
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MD5
a7d61ab6c655d8bfb5d9804d6a010dd2
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SHA1
eecedf39de8c1c73059b56d8e4df651f771a634d
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SHA256
e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c
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SHA512
7061b1615557815eebf94c621a7e7916c26e11c1b384ddd5c452b8e0fa675f4e4d2a13f327616012aed44eb23b835d49f2457b26b4fa7914bd4efb397d0e3e04
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SSDEEP
768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWOt2:RshfSWHHNvoLqNwDDGw02eQmh0HjWOQ
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
rundll32.exepid process 2080 rundll32.exe -
Loads dropped DLL 2 IoCs
Processes:
e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exepid process 1040 e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe 1040 e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe -
Modifies system executable filetype association 2 TTPs 5 IoCs
Processes:
e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exerundll32.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.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 e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe -
Drops file in System32 directory 4 IoCs
Processes:
e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exedescription ioc process File opened for modification C:\Windows\SysWOW64\¢«.exe e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe File created C:\Windows\SysWOW64\¢«.exe e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe File created C:\Windows\SysWOW64\notepad¢¬.exe e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe -
Drops file in Windows directory 2 IoCs
Processes:
e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exedescription ioc process File opened for modification C:\Windows\system\rundll32.exe e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe File created C:\Windows\system\rundll32.exe e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe -
Modifies registry class 15 IoCs
Processes:
e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exerundll32.exedescription ioc process Key created \REGISTRY\MACHINE\Software\Classes\MSipv e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1716301078" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 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 e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1716301078" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command rundll32.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
Processes:
e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exepid process 1040 e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe 1040 e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe 1040 e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe 1040 e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe 1040 e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe 1040 e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe 1040 e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe 1040 e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe 1040 e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe 1040 e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe 1040 e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe 1040 e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe 1040 e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe 1040 e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
rundll32.exepid process 2080 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exerundll32.exepid process 1040 e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe 2080 rundll32.exe 2080 rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exedescription pid process target process PID 1040 wrote to memory of 2080 1040 e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe rundll32.exe PID 1040 wrote to memory of 2080 1040 e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe rundll32.exe PID 1040 wrote to memory of 2080 1040 e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe rundll32.exe PID 1040 wrote to memory of 2080 1040 e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe rundll32.exe PID 1040 wrote to memory of 2080 1040 e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe rundll32.exe PID 1040 wrote to memory of 2080 1040 e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe rundll32.exe PID 1040 wrote to memory of 2080 1040 e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe"C:\Users\Admin\AppData\Local\Temp\e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe"1⤵
- Loads dropped DLL
- 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:1040 -
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:2080
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
81KB
MD5728d42357cd35436744a8defe07ada86
SHA19996410dfe20691fe0c6e4b9eb23920aa0e58592
SHA25696b9f35ff285189c62246eef75659f23206f0938c8905d4dedda23652f2d249b
SHA51286e869af32e56337d452226a1f7fdb9886025cdc2eb2e796c375fdf4415ae275cc8a8f6ccf1b07c8f4cac04d5c63adf98d820b6cb03b699761fa83dfe64dae9b
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Filesize
73KB
MD54c74b82ebd7375c583574875d055cf6a
SHA14e6bac7a91811044e7a4b126e7bc48cbe749941e
SHA25696bdf073674786d953a96deabb28fd21159399aab2a5c8a01fb129b744a92c6f
SHA512711b8dddc1e462dcbc623254db694ddf4ce148264b4d4ac565e6988014f9671f5becb637e64bdb9bffb5a7c65bcd9428fcd34c61024592cc5fd1547f8696c306