Analysis
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max time kernel
149s -
max time network
133s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-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 4120 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\" %*" rundll32.exe 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 -
Drops file in System32 directory 4 IoCs
description ioc Process 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 File opened for modification C:\Windows\SysWOW64\¢«.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 Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1717367572" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %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 Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506" 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 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\MSipv rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1717367572" rundll32.exe -
Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4120 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 4120 rundll32.exe 4120 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2692 wrote to memory of 4120 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 85 PID 2692 wrote to memory of 4120 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 85 PID 2692 wrote to memory of 4120 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe"C:\Users\Admin\AppData\Local\Temp\2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.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:2692 -
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:4120
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
82KB
MD5e4414fb273fae78dafed1ccfa2d87a58
SHA14589eeed2145515b591d79e9ad8a525fcaa504c8
SHA256e053d005cd1bfd6b36a759876b5fff9445171b2a4dcf7a0280aba99692fabb0f
SHA512e17fef7af9309b745cfe647e16f7cb11dca664de1d533412205e868eec0138b3ed1c8046f9b17bf2ec509dcef52fe670a31347d43ff415312fe0ba71f53dd723
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Filesize
82KB
MD59565281511126d767eddfe452ac6f93c
SHA185758c2e563e57b6654ac03a1c8425f58ea1f81c
SHA2566c78d1250169da40827cae8e51348f45e1e95b8dfa1a1b24948160acee8bbed9
SHA51235ea14303909d07892b7390fd32d2c999ea14ccb78344ae0c33eeac48234e4a85f7605484acaed8ffe7dd642884dfc40caf31881f9fba611fe1eafbd6bfef388