Analysis
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max time kernel
149s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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 3004 rundll32.exe -
Loads dropped DLL 2 IoCs
pid Process 1936 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 1936 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.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 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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 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 opened for modification C:\Windows\system\rundll32.exe 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe File created C:\Windows\system\rundll32.exe 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe -
Modifies registry class 15 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1718112766" 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 rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1718112766" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 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 Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 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 -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1936 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 1936 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 1936 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 1936 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 1936 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 1936 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 1936 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 1936 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 1936 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 1936 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 1936 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 1936 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 1936 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 1936 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3004 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 1936 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 3004 rundll32.exe 3004 rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1936 wrote to memory of 3004 1936 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 28 PID 1936 wrote to memory of 3004 1936 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 28 PID 1936 wrote to memory of 3004 1936 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 28 PID 1936 wrote to memory of 3004 1936 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 28 PID 1936 wrote to memory of 3004 1936 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 28 PID 1936 wrote to memory of 3004 1936 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 28 PID 1936 wrote to memory of 3004 1936 75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.exe"C:\Users\Admin\AppData\Local\Temp\75ee8e5f930b9f1557a883648bc6bbf3017f772240dd5b0003c60f9a2b93aac2.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:1936 -
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:3004
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
74KB
MD5051c6c59b0fd465df0cba0f0d61e0fb9
SHA142af0b949915f4639c642a7acf065a3d1de7c116
SHA25614e9b023c7dc0266f66da9106b4befbcb0be6d57ed8e0602114898f2ef819747
SHA512f44e43ce5636caebbdda2d42a2b4d1a281a980dc2a635226337725716ad56e8063a8fbd168537c572dba18048e9d9ddbafc196ac2840d1605c86e9b232289b60
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Filesize
77KB
MD5f4bc70ff1befb9187978568ebf17ea34
SHA1369570a073cc7ddbd1f9a71d0189224d9dee3b9d
SHA25601b25196d1c74b7ffef73d46e4a3b32016a45d1dc5393e676a9d822bc8210087
SHA51261909cefc026ccc5b2095aa0346d5bb053b96fdae843eb5ac44e33c5ef791ebfa56be982b0d7fae7312dc194b9d7034bf87ed09596d3726fb9787f57becf6c87