Analysis
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max time kernel
149s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
09/06/2024, 07:32
Static task
static1
Behavioral task
behavioral1
Sample
afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe
Resource
win10v2004-20240508-en
General
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Target
afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe
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Size
86KB
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MD5
32c1d5f7d725aadb8f435d8f47aed08c
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SHA1
4bfa5783f61a998c52b6435e97ea5ccc7740a3f9
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SHA256
afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1
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SHA512
02c1766baa4dc877efa5397138cab996bb0866037dc36060d3697601c717faeab8f386bef00ff8abd1892e5a310f603eabbf79ee99ae7d5c9fa7872aec201664
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SSDEEP
1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOOE0SIIeokYMM:GhfxHNIreQm+HiFE0SIIeokYMM
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2996 rundll32.exe -
Loads dropped DLL 2 IoCs
pid Process 952 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 952 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe -
Modifies system executable filetype association 2 TTPs 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.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 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe File created C:\Windows\SysWOW64\¢«.exe afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe File created C:\Windows\SysWOW64\notepad¢¬.exe afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe File created C:\Windows\system\rundll32.exe afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe -
Modifies registry class 15 IoCs
description ioc Process 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 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1717918475" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1717918475" 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 -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 952 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 952 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 952 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 952 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 952 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 952 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 952 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 952 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 952 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 952 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 952 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 952 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 952 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 952 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2996 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 952 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 2996 rundll32.exe 2996 rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 952 wrote to memory of 2996 952 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 28 PID 952 wrote to memory of 2996 952 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 28 PID 952 wrote to memory of 2996 952 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 28 PID 952 wrote to memory of 2996 952 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 28 PID 952 wrote to memory of 2996 952 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 28 PID 952 wrote to memory of 2996 952 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 28 PID 952 wrote to memory of 2996 952 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe"C:\Users\Admin\AppData\Local\Temp\afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.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:952 -
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:2996
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
81KB
MD5c27c5e5d2bbff016226d439d084db31f
SHA152ed7998424fd004742973c402b06c973b10a449
SHA256869297bcfbe5b5eee4eafb354332343490b0d7f263ccfe2218a2a379c01756ec
SHA5122ee5ac9ccf21086dec549ca4043bc96bdc4c6093fb6b3c0e8474c393d689693d75597d7fb0e512eaab1e7f33ed209f1544b42932544dcc52129005b6b2ad5c4b
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Filesize
74KB
MD57df7466ee7bbec4e07c8161b8fbdc2f1
SHA16444df507ee2c0cf50439ae1aa7be03ad083e330
SHA25661b4396eabc593b439eb7514e2283f85325f51cd673834b51f20c0309d4f2bd4
SHA51287ae8f4f4acb1a5f124b210c06b99a89579b0351a46a8035a801fe8edf0a5faddfb3f0737319b1451b4ac90eb7503a695646ea9a34a96723dbe99e7a54685a6d