Analysis
- max time kernel
149s - max time network
133s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
02/06/2024, 22:32
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe
Resource
win7-20240221-en
windows7-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe
Resource
win10v2004-20240508-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe
- Size 74KB
- Sample240602-2gb61aae89
- SHA256 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c
- MD5 9e22958087f06c6bb91ff161ab9fb78e
- SHA1 3c305e6bbd3b4693c06c7d0274323c2e0f9ceb3b
- SHA512 b14ab5efce89ef9d27ecf04b4c15b8170c1c65551f12535469ef539b9b8fb3eb4a3d0a2cfc22b192a717398a3ff1f9a51fe5e394a781006dee62c3f6cbb4016b
- SSDEEP 768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWO:RshfSWHHNvoLqNwDDGw02eQmh0HjWO
- MD5 SHA1 SHA512 SSDEEP
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4120 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 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command rundll32.exe - Drops file in System32 directory 4 IoCs
description ioc Process File created C:\Windows\SysWOW64\¢«.exe 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe File created C:\Windows\SysWOW64\notepad¢¬.exe 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe File opened for modification C:\Windows\SysWOW64\¢«.exe 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe File created C:\Windows\system\rundll32.exe 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe - Modifies registry class 15 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\MSipv 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1717367572" 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.exe %1" 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.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 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 Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1717367572" rundll32.exe - Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4120 rundll32.exe - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 4120 rundll32.exe 4120 rundll32.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2692 wrote to memory of 4120 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 85 PID 2692 wrote to memory of 4120 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 85 PID 2692 wrote to memory of 4120 2692 2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.exe"C:\Users\Admin\AppData\Local\Temp\2ef260bf06cfd68d6c26d791fa46b3f769a65ac27fdc3616b7f372614861087c.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:2692 -
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:4120
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\notepad¢¬.exe
- Size 82KB
- SHA256 e053d005cd1bfd6b36a759876b5fff9445171b2a4dcf7a0280aba99692fabb0f
- MD5 e4414fb273fae78dafed1ccfa2d87a58
- SHA1 4589eeed2145515b591d79e9ad8a525fcaa504c8
- SHA512 e17fef7af9309b745cfe647e16f7cb11dca664de1d533412205e868eec0138b3ed1c8046f9b17bf2ec509dcef52fe670a31347d43ff415312fe0ba71f53dd723
- SSDEEP 1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOSli:GhfxHNIreQm+HiRli
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\system\rundll32.exe
- Size 82KB
- SHA256 6c78d1250169da40827cae8e51348f45e1e95b8dfa1a1b24948160acee8bbed9
- MD5 9565281511126d767eddfe452ac6f93c
- SHA1 85758c2e563e57b6654ac03a1c8425f58ea1f81c
- SHA512 35ea14303909d07892b7390fd32d2c999ea14ccb78344ae0c33eeac48234e4a85f7605484acaed8ffe7dd642884dfc40caf31881f9fba611fe1eafbd6bfef388
- SSDEEP 1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWO/tgEtRmjXt:GhfxHNIreQm+HiMmEtRmjXt
- MD5 SHA1 SHA512 SSDEEP