Analysis
- max time kernel
149s - max time network
160s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
13/06/2024, 04:40
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe
Resource
win7-20240419-en
windows7-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe
Resource
win10v2004-20240508-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe
- Size 77KB
- Sample240613-falafavblh
- SHA256 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0
- MD5 fd23f6ca34c4340d9c5385aa0d38393c
- SHA1 d728211a44629bf613d2b82d9852755ea03e31c4
- SHA512 2ddd38f26e1ef2a3c94eb80aa0103046f64ad7b6ba8802e062d9ba3fbf23514e80bcce0240ad4f85e0a14d5ed9709f9189ee8d345a45c516dd63860b899d9fdd
- SSDEEP 1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOKLKT:GhfxHNIreQm+Hi5LKT
- MD5 SHA1 SHA512 SSDEEP
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4780 rundll32.exe - Modifies system executable filetype association 2 TTPs 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.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 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe File created C:\Windows\SysWOW64\¢«.exe 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe File created C:\Windows\SysWOW64\notepad¢¬.exe 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\system\rundll32.exe 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe File opened for modification C:\Windows\system\rundll32.exe 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe - Modifies registry class 15 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1718253625" 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.exe %1" 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1718253625" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" rundll32.exe - Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 1500 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 1500 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 1500 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 1500 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 1500 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 1500 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 1500 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 1500 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 1500 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 1500 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 1500 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 1500 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 1500 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 1500 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 1500 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 1500 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 1500 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 1500 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 1500 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 1500 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 1500 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 1500 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 1500 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 1500 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 1500 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 1500 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 1500 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 1500 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4780 rundll32.exe - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 1500 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 4780 rundll32.exe 4780 rundll32.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1500 wrote to memory of 4780 1500 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 85 PID 1500 wrote to memory of 4780 1500 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 85 PID 1500 wrote to memory of 4780 1500 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe"C:\Users\Admin\AppData\Local\Temp\1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.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:1500 -
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:4780
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\notepad¢¬.exe
- Size 78KB
- SHA256 dc1bc40300b942029c99879a51e11bfe9d611e56851bda1a2e06e056f78b2955
- MD5 457276c27339f94a9025c40890309ddc
- SHA1 0f2327cbff6c66e77f9ddcecefed0cea1496c86e
- SHA512 688f43e95a661f8012b390bc5ee91a6f434bd735a53980c061d4444f7cb1a67c7e9deec9492fdf1e4b1a6d0715fb4a8922b20521d9e1e507003e209d76ab63b0
- SSDEEP 1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWO2st0H:GhfxHNIreQm+Hipst0H
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\System\rundll32.exe
- Size 82KB
- SHA256 6bfb5e8dd91937253762654fa51440b0b72b3fe10bb8574d590b93a8d782aded
- MD5 f9c2173a795055cc408d5c35567c2521
- SHA1 ca1da5ddf31f9b81e9458e5536d11b22baf8d6a2
- SHA512 2ccc7cdcba31ac4606d57ffd34af471a9bba9ccbe78a71527f613550d7f8633af7248267bde4cee5f04f23d1154d287f5d789fd2ac67893be206f3639e9ee54d
- SSDEEP 1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWO29L:GhfxHNIreQm+HiZ9L
- MD5 SHA1 SHA512 SSDEEP