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Analysis
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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
Behavioral task
behavioral1
Sample
1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe
Resource
win10v2004-20240508-en
General
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Target
1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe
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Size
77KB
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MD5
fd23f6ca34c4340d9c5385aa0d38393c
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SHA1
d728211a44629bf613d2b82d9852755ea03e31c4
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SHA256
1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0
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SHA512
2ddd38f26e1ef2a3c94eb80aa0103046f64ad7b6ba8802e062d9ba3fbf23514e80bcce0240ad4f85e0a14d5ed9709f9189ee8d345a45c516dd63860b899d9fdd
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SSDEEP
1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOKLKT:GhfxHNIreQm+Hi5LKT
Malware Config
Signatures
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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
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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
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
78KB
MD5457276c27339f94a9025c40890309ddc
SHA10f2327cbff6c66e77f9ddcecefed0cea1496c86e
SHA256dc1bc40300b942029c99879a51e11bfe9d611e56851bda1a2e06e056f78b2955
SHA512688f43e95a661f8012b390bc5ee91a6f434bd735a53980c061d4444f7cb1a67c7e9deec9492fdf1e4b1a6d0715fb4a8922b20521d9e1e507003e209d76ab63b0
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Filesize
82KB
MD5f9c2173a795055cc408d5c35567c2521
SHA1ca1da5ddf31f9b81e9458e5536d11b22baf8d6a2
SHA2566bfb5e8dd91937253762654fa51440b0b72b3fe10bb8574d590b93a8d782aded
SHA5122ccc7cdcba31ac4606d57ffd34af471a9bba9ccbe78a71527f613550d7f8633af7248267bde4cee5f04f23d1154d287f5d789fd2ac67893be206f3639e9ee54d