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Analysis
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max time kernel
149s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
03/06/2024, 22:29
Static task
static1
Behavioral task
behavioral1
Sample
1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf.exe
Resource
win10v2004-20240426-en
General
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Target
1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf.exe
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Size
79KB
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MD5
ac4888098482816e273845f78c982150
-
SHA1
755f9498dd723f85740ee07186f2b5d5acfc0014
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SHA256
1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf
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SHA512
6d8e8a2de31a26980fd6e6ca1f62d854401f6a932f76bec0ac6fe4639f523b10264cf5f5be3a10978619f0041e1c38fb4e9c2e7f297ecc545f330fc37f96bcc0
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SSDEEP
1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOaSNLf:GhfxHNIreQm+HiRSNLf
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2092 rundll32.exe -
Loads dropped DLL 2 IoCs
pid Process 1252 1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf.exe 1252 1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf.exe -
Modifies system executable filetype association 2 TTPs 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf.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 1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf.exe File created C:\Windows\SysWOW64\¢«.exe 1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe 1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf.exe File created C:\Windows\SysWOW64\notepad¢¬.exe 1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe 1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf.exe File created C:\Windows\system\rundll32.exe 1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf.exe -
Modifies registry class 15 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\MSipv 1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command 1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" 1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf.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\" %*" 1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf.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 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 Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1717453778" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" 1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1717453778" rundll32.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1252 1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf.exe 1252 1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf.exe 1252 1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf.exe 1252 1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf.exe 1252 1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf.exe 1252 1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf.exe 1252 1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf.exe 1252 1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf.exe 1252 1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf.exe 1252 1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf.exe 1252 1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf.exe 1252 1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf.exe 1252 1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf.exe 1252 1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2092 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 1252 1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf.exe 2092 rundll32.exe 2092 rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1252 wrote to memory of 2092 1252 1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf.exe 28 PID 1252 wrote to memory of 2092 1252 1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf.exe 28 PID 1252 wrote to memory of 2092 1252 1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf.exe 28 PID 1252 wrote to memory of 2092 1252 1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf.exe 28 PID 1252 wrote to memory of 2092 1252 1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf.exe 28 PID 1252 wrote to memory of 2092 1252 1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf.exe 28 PID 1252 wrote to memory of 2092 1252 1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf.exe"C:\Users\Admin\AppData\Local\Temp\1907c3dcacbab77141e45cd1bb6d22ec2ebc71e04799aa7ce7bb9b4868bb53cf.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:1252 -
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:2092
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
76KB
MD532f7be798e77fffa066790af9ee9579d
SHA189c416f346b2ce2430db60ff41e27042bf5b9420
SHA256a6496af4f365b9448591113cf1e7321b4830f4b138d5b285c4a5a4fc7d7195c5
SHA512fd7c5e191b7a986f4c109064a9a6d44dfdfaffedc184b82ceb3ac884a948c24a1a1b67b0f6fc3e166e1512e145652be6313665dc722b70b934c4ac3300cd6c89
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Filesize
74KB
MD5f5303973b55d49f4b04699f21b78d053
SHA197ece96bd954d61aa3c19ae1410549fadc2a83ef
SHA256687d3cc883e1780594eb4117c95b0eb753c33e875dbd0d5a5b1e14a52361fa1a
SHA51238c9a1d05cb1d1c9028b3f142dd921858b9f2f474d9ea2e2630e6f7868a221fe0239445b12c6ce5c98178f9690dd1a3691c5bcd1b65a551f4f7ea87f7a01dd86