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Analysis
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max time kernel
151s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
03/06/2024, 22:31
Static task
static1
Behavioral task
behavioral1
Sample
de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe
Resource
win10v2004-20240226-en
General
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Target
de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe
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Size
82KB
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MD5
617359d0e1fc3c3e85f0d6a5b453e2b2
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SHA1
f1ef14a20149531d9759112c6a6a792f49f0712e
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SHA256
de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12
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SHA512
366108b3102a7024f4963d9089d3e60533853fed50a872d10218d8562b6d897c03a6040bb88b18e3e08e1cf2624902d126ad3b3adde22258ea83dff13899c74e
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SSDEEP
768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWORs:RshfSWHHNvoLqNwDDGw02eQmh0HjWOR
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2668 rundll32.exe -
Modifies system executable filetype association 2 TTPs 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.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 created C:\Windows\SysWOW64\notepad¢¬.exe de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe File opened for modification C:\Windows\SysWOW64\¢«.exe de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe File created C:\Windows\SysWOW64\¢«.exe de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe File created C:\Windows\system\rundll32.exe de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe -
Modifies registry class 15 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1717453926" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 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 de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1717453926" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506" rundll32.exe -
Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 3248 de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe 3248 de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe 3248 de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe 3248 de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe 3248 de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe 3248 de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe 3248 de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe 3248 de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe 3248 de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe 3248 de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe 3248 de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe 3248 de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe 3248 de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe 3248 de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe 3248 de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe 3248 de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe 3248 de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe 3248 de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe 3248 de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe 3248 de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe 3248 de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe 3248 de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe 3248 de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe 3248 de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe 3248 de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe 3248 de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe 3248 de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe 3248 de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2668 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 3248 de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe 2668 rundll32.exe 2668 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3248 wrote to memory of 2668 3248 de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe 91 PID 3248 wrote to memory of 2668 3248 de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe 91 PID 3248 wrote to memory of 2668 3248 de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.exe"C:\Users\Admin\AppData\Local\Temp\de6410046fa739296870063696ba1d2cb2f8d2ca6a96a1b5978b3e9803047c12.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:3248 -
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:2668
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4120 --field-trial-handle=2280,i,4114443225282860369,4764091921472631035,262144 --variations-seed-version /prefetch:81⤵PID:2612
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
82KB
MD5f0409453655da58cc78ed3cdf054b501
SHA1a015b1aa4f99569f1708cfd2ccb4ac8a2f2c8df3
SHA256e0b2a6c3d8981a6df2bbd8ccd2b4b367828b052aa742d436d34320c62dd48635
SHA5127a07d8cf7c37aa00aa685b5510dfc847ea5c9b72f4cfd72624097a26ebd6781e29ac50919761d2f77168aa853c693c56301436387e61fb3fd85a2cdfad221a57
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Filesize
82KB
MD5d3bb2281dd1901326222abaf9e6a9fa3
SHA1eb7e4c9230586793f94a5a06cba274b68c7cd971
SHA256b0613db4bb5527b0a650c000a1197d4fcce62c48999520810d4903401fb56003
SHA51269bc4123f86846d7a56eb051899887c318c1cb979310739784e222f00593e9a010cb9023040d6929f07da1696a0a1b2b407bb379838bbea8d6b9d8c78a5bb731