Analysis
- max time kernel
149s - max time network
94s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-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 2988 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\" %*" 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 Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1717994494" 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\txtfile\shell\open\command rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1717994494" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\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\txtfile\shell\open\command\ = "notepad¢¬ %1" e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" rundll32.exe - Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 1504 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 1504 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 1504 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 1504 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 1504 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 1504 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 1504 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 1504 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 1504 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 1504 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 1504 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 1504 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 1504 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 1504 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 1504 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 1504 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 1504 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 1504 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 1504 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 1504 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 1504 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 1504 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 1504 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 1504 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 1504 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 1504 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 1504 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 1504 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2988 rundll32.exe - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 1504 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 2988 rundll32.exe 2988 rundll32.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1504 wrote to memory of 2988 1504 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 85 PID 1504 wrote to memory of 2988 1504 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 85 PID 1504 wrote to memory of 2988 1504 e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.exe"C:\Users\Admin\AppData\Local\Temp\e2e4f4fa6155a92737a04013420a875a6416251dc3f4a26c7c5e065b79e39986.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:1504 -
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:2988
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\notepad¢¬.exe
- Size 78KB
- SHA256 28dc0974fbd576644735991b86d53a8cd95bb0e4a90c463e338d941e98389633
- MD5 ca835a7bf1653a5552282dc40da25743
- SHA1 fe513a0f1e66c08bf4eebe802298b2ffae9f58dc
- SHA512 424514440fc632e1034d7405a157f02a132d2f6ac24f229db4b045b35baef875611002cae8c5177a77bf21a01ffaf1da21c5d370c208cc6952556f2ee657a73a
- SSDEEP 1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOXvf:GhfxHNIreQm+Hiyvf
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\System\rundll32.exe
- Size 73KB
- SHA256 13cd0eb0d1b9065937173ff5e79f8b5088e0690d65e60d3782a491366697d2e3
- MD5 d2c0dd76e05e3ed2106089468b2d65a2
- SHA1 642967312de7e370e19515651b6cb460bec6e87e
- SHA512 8e9c96fe25347aa869797e0ceba8adf0d74ad34a76a24e4fb9eb23dfdfe521b130802e3b2c8ee303f365b2bce51e70ff7bd211645c0c20b79a7ceba5d0dfc69a
- SSDEEP 768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWOZ:RshfSWHHNvoLqNwDDGw02eQmh0HjWOZ
- MD5 SHA1 SHA512 SSDEEP