Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system - submitted
09/06/2024, 07:29
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe
Resource
win7-20240508-en
windows7-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe
Resource
win10v2004-20240426-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe
- Size 82KB
- Sample240609-jbjpsagd24
- SHA256 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325
- MD5 1ef7167197072309a20edf7062419dce
- SHA1 7ec2b1e8d123f51e029cd7d41e28813b9a0cadd4
- SHA512 68c3045a6cc761ae9e289716183b1fa6285d12c5d848fa57e9f9c2b990223887d7a8a46e456dd5e9ad2b477267c1f83357d098cc6b6a0f4253a80fac395312b8
- SSDEEP 1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOBYm:GhfxHNIreQm+HiWYm
- MD5 SHA1 SHA512 SSDEEP
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2932 rundll32.exe - Modifies system executable filetype association 2 TTPs 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.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 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe File created C:\Windows\SysWOW64\¢«.exe 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe File created C:\Windows\SysWOW64\notepad¢¬.exe 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe File created C:\Windows\system\rundll32.exe 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe - Modifies registry class 15 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1717918183" 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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1717918183" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" rundll32.exe - Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 4672 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe 4672 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe 4672 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe 4672 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe 4672 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe 4672 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe 4672 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe 4672 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe 4672 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe 4672 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe 4672 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe 4672 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe 4672 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe 4672 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe 4672 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe 4672 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe 4672 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe 4672 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe 4672 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe 4672 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe 4672 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe 4672 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe 4672 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe 4672 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe 4672 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe 4672 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe 4672 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe 4672 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2932 rundll32.exe - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 4672 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe 2932 rundll32.exe 2932 rundll32.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4672 wrote to memory of 2932 4672 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe 84 PID 4672 wrote to memory of 2932 4672 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe 84 PID 4672 wrote to memory of 2932 4672 8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe 84
Processes
-
C:\Users\Admin\AppData\Local\Temp\8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.exe"C:\Users\Admin\AppData\Local\Temp\8b88667410149d7694a33db553c0fef6aacb3dc52c20f7993d66153a74482325.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:4672 -
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:2932
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\notepad¢¬.exe
- Size 73KB
- SHA256 13cd0eb0d1b9065937173ff5e79f8b5088e0690d65e60d3782a491366697d2e3
- MD5 d2c0dd76e05e3ed2106089468b2d65a2
- SHA1 642967312de7e370e19515651b6cb460bec6e87e
- SHA512 8e9c96fe25347aa869797e0ceba8adf0d74ad34a76a24e4fb9eb23dfdfe521b130802e3b2c8ee303f365b2bce51e70ff7bd211645c0c20b79a7ceba5d0dfc69a
- SSDEEP 768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWOZ:RshfSWHHNvoLqNwDDGw02eQmh0HjWOZ
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\system\rundll32.exe
- Size 73KB
- SHA256 094cb6379cbee63bff3a9606f105c1faeca84d9a1cf6f13e79005658d9ccc4af
- MD5 686b602fed0ba34683a260f19ee91044
- SHA1 fdaccc66485f90f62c9d6ada6ad9ce6884a81745
- SHA512 fe6dbe6c813ddde141e56eb0b34e1351cdcfd401f21af53b19c8568f0a897ca3a0c81c114bbe0c68da529e1dc8241144ddae34cfbd015d5442c1cdc910361119
- SSDEEP 768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWOKv:RshfSWHHNvoLqNwDDGw02eQmh0HjWOKv
- MD5 SHA1 SHA512 SSDEEP