Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
31-10-2024 08:10
Static task
static1
Behavioral task
behavioral1
Sample
9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe
Resource
win10v2004-20241007-en
General
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Target
9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe
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Size
76KB
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MD5
74f4d3c1b88440eb332154535d6ddbd6
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SHA1
5a840497bbf0809d158a9937f5de1c9bf8bca4b0
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SHA256
9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96
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SHA512
38d45ce90bfdd9c7bb86e4d5e89760a23b3a628c528855b7925b4fd3ff5adbc7c0220a9134d54dea37d1865e9d28c89a9ae68c3b33618a4e32dd4026083905e3
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SSDEEP
768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWO04:RshfSWHHNvoLqNwDDGw02eQmh0HjWO04
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 3212 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 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command rundll32.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\¢«.exe 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe File created C:\Windows\SysWOW64\¢«.exe 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe File created C:\Windows\SysWOW64\notepad¢¬.exe 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe File created C:\Windows\system\rundll32.exe 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Modifies registry class 15 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1730362232" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506" rundll32.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\" %*" 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1730362232" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.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¢¬ %1" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" rundll32.exe -
Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 4372 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe 4372 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe 4372 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe 4372 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe 4372 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe 4372 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe 4372 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe 4372 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe 4372 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe 4372 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe 4372 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe 4372 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe 4372 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe 4372 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe 4372 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe 4372 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe 4372 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe 4372 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe 4372 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe 4372 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe 4372 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe 4372 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe 4372 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe 4372 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe 4372 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe 4372 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe 4372 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe 4372 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3212 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 4372 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe 3212 rundll32.exe 3212 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4372 wrote to memory of 3212 4372 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe 87 PID 4372 wrote to memory of 3212 4372 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe 87 PID 4372 wrote to memory of 3212 4372 9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe"C:\Users\Admin\AppData\Local\Temp\9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe"1⤵
- Modifies system executable filetype association
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4372 -
C:\Windows\system\rundll32.exeC:\Windows\system\rundll32.exe2⤵
- Executes dropped EXE
- Modifies system executable filetype association
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:3212
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
80KB
MD52158f90e2bffe165fa9638caf0a3715a
SHA11cf3a3d602bf469868dd8db48596ec49ea30f50b
SHA256779261370557b36b91b78c3ba95737fd00acdce010344300cb91a3860a041f80
SHA512099ece7b064e4cb78a427593dc99dcfa2140209c84b955cb08bf057360739fb550b55d61d583a494df6027aa028be9ffda44eddd38640ebdeeff3b5393ab13a3
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Filesize
82KB
MD5655699eb456375dc91b592a57944c9ed
SHA1252f5b741b3921aab76323419e6d7e4b78a10e1d
SHA256ea92fb990f527a20d1490c046cffbfb7c82a9b5ddefeb89d64b62c645c947128
SHA512df64396487f37ebd882ef7446ec71e02878393c370b3b7fe06c646342dcc52ce517749db4bc707d94071bc324cc756ff8a33c3c4cbc92877456a37b6d3dd4ce3