Analysis
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max time kernel
149s -
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
11/06/2024, 13:32
Static task
static1
Behavioral task
behavioral1
Sample
75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe
Resource
win10v2004-20240426-en
General
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Target
75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe
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Size
81KB
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MD5
1d4aebee1d8eb4857f53b8ea5a48f59c
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SHA1
120ac9dbdf64496dbc1825b7688cac2f0b68a776
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SHA256
75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2
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SHA512
c0059d2f70584e2118113ecaf0fea6868f849274bc01d6b262592a8326b28e346cbed36fe82e02235ac264ee50152fb2ce3379f3de4a0815eaa2a6e69c6d7174
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SSDEEP
1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOQ5xFBnJ:GhfxHNIreQm+Hin5xFBnJ
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1372 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\" %*" 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.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 Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\¢«.exe 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe File created C:\Windows\SysWOW64\¢«.exe 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe File created C:\Windows\SysWOW64\notepad¢¬.exe 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\system\rundll32.exe 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe File opened for modification C:\Windows\system\rundll32.exe 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe -
Modifies registry class 15 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\MSipv 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1718112761" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1718112761" 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\txtfile\shell\open\command 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" rundll32.exe -
Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 3636 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 3636 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 3636 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 3636 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 3636 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 3636 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 3636 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 3636 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 3636 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 3636 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 3636 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 3636 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 3636 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 3636 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 3636 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 3636 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 3636 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 3636 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 3636 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 3636 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 3636 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 3636 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 3636 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 3636 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 3636 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 3636 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 3636 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 3636 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1372 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 3636 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 1372 rundll32.exe 1372 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3636 wrote to memory of 1372 3636 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 81 PID 3636 wrote to memory of 1372 3636 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 81 PID 3636 wrote to memory of 1372 3636 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe"C:\Users\Admin\AppData\Local\Temp\75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.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:3636 -
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:1372
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
76KB
MD5cd2b66f40f6073c4efe0c1b26a49e6ff
SHA1e953c8ff54952912f9f6a74dcff4c9b3f3cc8f70
SHA2567c1beb11db2d5c470bff0da93750f891123bcbc80c16b633dd0d72b013108192
SHA512cc89294e0983b441b6ddce33630420474ba5704843bbed176c1a955126adfa90780f381609522e06661f97640d352d5b8e0ec2f92020417b470743f72aa3af58
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Filesize
73KB
MD5d2c0dd76e05e3ed2106089468b2d65a2
SHA1642967312de7e370e19515651b6cb460bec6e87e
SHA25613cd0eb0d1b9065937173ff5e79f8b5088e0690d65e60d3782a491366697d2e3
SHA5128e9c96fe25347aa869797e0ceba8adf0d74ad34a76a24e4fb9eb23dfdfe521b130802e3b2c8ee303f365b2bce51e70ff7bd211645c0c20b79a7ceba5d0dfc69a