Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
20/05/2024, 02:27
Static task
static1
Behavioral task
behavioral1
Sample
d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe
Resource
win10v2004-20240426-en
General
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Target
d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe
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Size
79KB
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MD5
e72cd49ad0842e4f3ac030999d5ca1cc
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SHA1
77d57b2dd8e87fd7b9de6f8209f257989c91c48c
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SHA256
d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5
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SHA512
d5b96ec68b674adce6bb6735fde59d756bb4d3e562f71f8870b6cc28db8028e7008e3ae583b1e6fb87fed1087fa23d52a91f11e9998691963459c9ee28aca2c5
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SSDEEP
1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOx/c9:GhfxHNIreQm+Hia/c9
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 4224 rundll32.exe -
Modifies system executable filetype association 2 TTPs 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.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\¢«.exe d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe File created C:\Windows\SysWOW64\notepad¢¬.exe d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe File opened for modification C:\Windows\SysWOW64\¢«.exe d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\system\rundll32.exe d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe File opened for modification C:\Windows\system\rundll32.exe d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe -
Modifies registry class 15 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\MSipv d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506" 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\" %*" d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1716172032" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1716172032" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe -
Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 4600 d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe 4600 d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe 4600 d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe 4600 d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe 4600 d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe 4600 d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe 4600 d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe 4600 d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe 4600 d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe 4600 d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe 4600 d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe 4600 d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe 4600 d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe 4600 d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe 4600 d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe 4600 d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe 4600 d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe 4600 d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe 4600 d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe 4600 d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe 4600 d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe 4600 d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe 4600 d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe 4600 d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe 4600 d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe 4600 d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe 4600 d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe 4600 d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4224 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 4600 d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe 4224 rundll32.exe 4224 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4600 wrote to memory of 4224 4600 d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe 88 PID 4600 wrote to memory of 4224 4600 d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe 88 PID 4600 wrote to memory of 4224 4600 d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe"C:\Users\Admin\AppData\Local\Temp\d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.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:4600 -
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:4224
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
80KB
MD5dab344dc75b8e8a830d62fd10ff6daa2
SHA15f6fa3f2511845e3aaaa322b190dbc246c91f0d5
SHA256fb28d7be55f56ddaf08c5f0afd04a6ad72b0b1e9f0c47144041b379233400456
SHA51216ce7b0db46a360799cb34e24bee17c0107ed6530e32a0e66c334fc0325efe6c955187c9643914610a883c69c251f9ebd7914131f1855a062b6024c6fc8e34b5
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Filesize
77KB
MD5189f5f873e5fa29c5598daf0b52f1b06
SHA139d331f047e25f8385a5dfc91c187403287ac063
SHA25685ce4811cf60c4f37fd8b62586ae0af1d3b0fbb095bbfda73c12f4fcc7726fdb
SHA5127eab9329c9762241e425118e3d8d01379336bc070a83f5f34c2c45331eb4b90435e9a1e421740a532f52f4e25efa217bcb135a4554493e6b1f44c59fee0568f7