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Analysis
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max time kernel
149s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240419-en -
resource tags
arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-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 2644 rundll32.exe -
Loads dropped DLL 2 IoCs
pid Process 1824 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 1824 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.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\" %*" 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 Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.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 opened for modification C:\Windows\system\rundll32.exe 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe File created C:\Windows\system\rundll32.exe 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.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\txtfile\shell\open\command\ = "notepad¢¬ %1" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.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 (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1718253614" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv 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 Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1718253614" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" rundll32.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1824 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 1824 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 1824 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 1824 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 1824 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 1824 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 1824 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 1824 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 1824 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 1824 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 1824 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 1824 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 1824 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 1824 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2644 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 1824 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 2644 rundll32.exe 2644 rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1824 wrote to memory of 2644 1824 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 28 PID 1824 wrote to memory of 2644 1824 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 28 PID 1824 wrote to memory of 2644 1824 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 28 PID 1824 wrote to memory of 2644 1824 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 28 PID 1824 wrote to memory of 2644 1824 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 28 PID 1824 wrote to memory of 2644 1824 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 28 PID 1824 wrote to memory of 2644 1824 1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe"C:\Users\Admin\AppData\Local\Temp\1eab97ad79f88071aaeb9acc34c7b5cbec04bb3c9790539a5bb9421756feadc0.exe"1⤵
- Loads dropped DLL
- 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:1824 -
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:2644
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
75KB
MD52a3a74e2dfc09fa725be0269bc34981f
SHA1068430cd2aa90070f2868379d16f7ec3ccd7db24
SHA256ed957a74da4aecf654670ddd8d813ba687864cc1225c8168a2ef68a1dabd5c15
SHA512f7b8906c6d1d154887ec4ebade80deb1b64aa4a719507c6a110ac3cb49b67d478769b31e92eb5b739b47ff2f37347c33a68c3ba79c072bca701766cd9c10d40b
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Filesize
73KB
MD5d2c0dd76e05e3ed2106089468b2d65a2
SHA1642967312de7e370e19515651b6cb460bec6e87e
SHA25613cd0eb0d1b9065937173ff5e79f8b5088e0690d65e60d3782a491366697d2e3
SHA5128e9c96fe25347aa869797e0ceba8adf0d74ad34a76a24e4fb9eb23dfdfe521b130802e3b2c8ee303f365b2bce51e70ff7bd211645c0c20b79a7ceba5d0dfc69a