Analysis
- max time kernel
149s - max time network
51s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
12/06/2024, 22:45
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe
Resource
win7-20240508-en
windows7-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe
Resource
win10v2004-20240508-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe
- Size 80KB
- Sample240612-2pjwtatdnc
- SHA256 ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea
- MD5 d787985dfa7456fc5efb7540b048c88c
- SHA1 cf5eba9ecd643c6f4e927f4654b70163ad164ed4
- SHA512 b3b3cc8f47606b7383bfd4b278af1eee04886c6933ac5ea79e84e8be61d98b4b7e9a9e5fdeeb572830da7b1a872e036b960aafd62307aff54e199444c0da8132
- SSDEEP 1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOu0F6P:GhfxHNIreQm+Hi70F6P
- MD5 SHA1 SHA512 SSDEEP
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4488 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\" %*" ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.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 ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe - Drops file in System32 directory 4 IoCs
description ioc Process File created C:\Windows\SysWOW64\¢«.exe ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe File created C:\Windows\SysWOW64\notepad¢¬.exe ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe File opened for modification C:\Windows\SysWOW64\¢«.exe ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe File created C:\Windows\system\rundll32.exe ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe - Modifies registry class 15 IoCs
description ioc Process 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 Key created \REGISTRY\MACHINE\Software\Classes\MSipv ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1718232326" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.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.exe %1" ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1718232326" rundll32.exe - Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 2436 ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe 2436 ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe 2436 ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe 2436 ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe 2436 ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe 2436 ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe 2436 ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe 2436 ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe 2436 ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe 2436 ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe 2436 ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe 2436 ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe 2436 ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe 2436 ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe 2436 ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe 2436 ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe 2436 ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe 2436 ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe 2436 ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe 2436 ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe 2436 ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe 2436 ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe 2436 ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe 2436 ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe 2436 ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe 2436 ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe 2436 ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe 2436 ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4488 rundll32.exe - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2436 ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe 4488 rundll32.exe 4488 rundll32.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2436 wrote to memory of 4488 2436 ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe 85 PID 2436 wrote to memory of 4488 2436 ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe 85 PID 2436 wrote to memory of 4488 2436 ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.exe"C:\Users\Admin\AppData\Local\Temp\ae33cbf5076dfda4f4e6d00d1c448de6d75311f26eb65f56a03da50bd49c7eea.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:2436 -
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:4488
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\notepad¢¬.exe
- Size 81KB
- SHA256 c5f9cb328db287ef97541ab7e88966bb6842edb032573275e3ebbc61a0d47339
- MD5 88a54a340f29da0ec2cb18d0d9aed925
- SHA1 0d0e20bd46429a54a8c0943c55fa09b4e7490ce4
- SHA512 f1935fa1284f75b6779b25b138fefc01a52a2995b99289e0f676beeefa6f804ec34f58b23c740f70bd13fe76d7f22cb7514e66887e4005992314bc224c569ecb
- SSDEEP 1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOI3h0eg:GhfxHNIreQm+HiL3h0eg
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\System\rundll32.exe
- Size 80KB
- SHA256 41b2c949543351b9d36421eb0c59e3d301d63c41fcb28ca43eed127ee62a5e94
- MD5 0ddbd92fb92c01f67403474a1d5aa10b
- SHA1 ddbd72cdd121f39d04142a9a238fdab2419e8d6d
- SHA512 7390e8431eb0fe9d42b0e20e2a7a07f63079f93f7e9f73c5b32a73615e53f6fbb28cd002455a024b047b719340e6e579ce6a003f151bd0947306dd1f5e0a1194
- SSDEEP 1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOArx6KN:GhfxHNIreQm+Hizrx6KN
- MD5 SHA1 SHA512 SSDEEP