Analysis
- max time kernel
149s - max time network
118s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system - submitted
10/06/2024, 04:32
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe
Resource
win7-20240221-en
windows7-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe
Resource
win10v2004-20240508-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe
- Size 81KB
- Sample240610-e55f5acb4t
- SHA256 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986
- MD5 9114c4be34a141f50d7b4ac84d791ea0
- SHA1 4e532225c335d46b3e84d4951912399c3f72f893
- SHA512 2cb70f2b930743b66ddef672fe5e707db7cc938dabf5197c9a3abbdc532573d8f8fef859383d33ff4a1b81d74690e1853faa65849dac0c1d015579351c48704b
- SSDEEP 1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOoRnQT8p:GhfxHNIreQm+HirRnQT8p
- MD5 SHA1 SHA512 SSDEEP
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2072 rundll32.exe - Loads dropped DLL 2 IoCs
pid Process 1712 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 1712 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.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\" %*" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command rundll32.exe - Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe File created C:\Windows\SysWOW64\notepad¢¬.exe e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe File opened for modification C:\Windows\SysWOW64\¢«.exe e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe File created C:\Windows\SysWOW64\¢«.exe e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe File created C:\Windows\system\rundll32.exe e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe - Modifies registry class 15 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\MSipv e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1717994493" rundll32.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 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv 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" e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1717994493" 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 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1712 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 1712 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 1712 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 1712 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 1712 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 1712 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 1712 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 1712 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 1712 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 1712 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 1712 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 1712 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 1712 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 1712 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2072 rundll32.exe - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 1712 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 2072 rundll32.exe 2072 rundll32.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1712 wrote to memory of 2072 1712 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 28 PID 1712 wrote to memory of 2072 1712 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 28 PID 1712 wrote to memory of 2072 1712 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 28 PID 1712 wrote to memory of 2072 1712 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 28 PID 1712 wrote to memory of 2072 1712 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 28 PID 1712 wrote to memory of 2072 1712 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 28 PID 1712 wrote to memory of 2072 1712 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 28
Processes
-
C:\Users\Admin\AppData\Local\Temp\e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe"C:\Users\Admin\AppData\Local\Temp\e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.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:1712 -
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:2072
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\notepad¢¬.exe
- Size 75KB
- SHA256 b055bd8268c6d3dbb6597cdedec9777bb388a7398c23b6389ce7ba7d388bad53
- MD5 2ad714671406ac1e18f800539129e50c
- SHA1 e1ad602e18f9e69c2009571c58bfb84f206429ce
- SHA512 e303b5b00563bfa58ce136133c8584f109dcff20044bb12de5f712070494975c9d0b7d9bdfc1825728170beca4bcf7bae1b48498c83d8338e3c70af9dfd92212
- SSDEEP 1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOP2tu:GhfxHNIreQm+Hii2tu
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\system\rundll32.exe
- Size 80KB
- SHA256 7c5fcbf4a6c47d4bcdc8fff430cde874286842d85af5c63ad2f1ad0e1ee8da96
- MD5 f73612aae8eedd82914815db24ea7e9b
- SHA1 3dcf29754f09f0a2e1b3300248ca249ff8b5dba8
- SHA512 8eea8c63e018c00de70a2052a037b02b45aa9ee7f7c88e0561fbdcb5ca753c403b38a53f23115fc9d52dc4ad338fca25c670952b926b2fef67ee655127522a1e
- SSDEEP 1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOrwl4:GhfxHNIreQm+HiCwl4
- MD5 SHA1 SHA512 SSDEEP