Analysis
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max time kernel
149s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
02/06/2024, 22:32
Static task
static1
Behavioral task
behavioral1
Sample
2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe
Resource
win10v2004-20240508-en
General
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Target
2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe
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Size
74KB
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MD5
9e22958087f06c6bb91ff161ab9fb78e
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SHA1
3c305e6bbd3b4693c06c7d0274323c2e0f9ceb3b
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SHA256
2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c
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SHA512
b14ab5efce89ef9d27ecf04b4c15b8170c1c65551f12535469ef539b9b8fb3eb4a3d0a2cfc22b192a717398a3ff1f9a51fe5e394a781006dee62c3f6cbb4016b
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SSDEEP
768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWO:RshfSWHHNvoLqNwDDGw02eQmh0HjWO
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2956 rundll32.exe -
Loads dropped DLL 2 IoCs
pid Process 2320 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2320 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe -
Modifies system executable filetype association 2 TTPs 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.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 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe File created C:\Windows\SysWOW64\¢«.exe 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe File created C:\Windows\SysWOW64\notepad¢¬.exe 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe File created C:\Windows\system\rundll32.exe 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe -
Modifies registry class 15 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\MSipv 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1717367570" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1717367570" 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 Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.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 -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2320 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2320 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2320 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2320 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2320 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2320 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2320 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2320 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2320 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2320 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2320 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2320 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2320 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2320 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2956 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2320 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2956 rundll32.exe 2956 rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2320 wrote to memory of 2956 2320 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 28 PID 2320 wrote to memory of 2956 2320 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 28 PID 2320 wrote to memory of 2956 2320 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 28 PID 2320 wrote to memory of 2956 2320 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 28 PID 2320 wrote to memory of 2956 2320 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 28 PID 2320 wrote to memory of 2956 2320 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 28 PID 2320 wrote to memory of 2956 2320 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe"C:\Users\Admin\AppData\Local\Temp\2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.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:2320 -
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:2956
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
74KB
MD524dd3f31e0a915dd4acb281f21ccf3d0
SHA171170266d761953ebd7a7479718705367f7b98eb
SHA256fd2198baae45e2c7944d2ad5f21987464bc36f97682145701be7a6144395227b
SHA512b7ac7b293d4374f4ecbdcd8772936674dc5de74bbed1a4b01f8920a0f72ddb52b79de0c20d2f9d0fbdc8207da19334d1db872a42526b249f851574e66ed78a78
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Filesize
73KB
MD5bdb0a7d5f2f9c8cd1a0a875326bb922d
SHA1e90a3606d3b8bd726d8f121c238e74ec0156a0ce
SHA256f117b229e5f6215e026da28c9fa5819908b0c6c14f6fd348c10a5020e95f89dd
SHA5121eeeee66a33031a1e599bbb46d4729747da98a3b73cee0b4b8927783c50065a21883213489a9ab831a44004e0fb249db12b107fc713509b888bd1446fbd57bf6