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Analysis
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max time kernel
149s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20230712-en -
resource tags
arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system -
submitted
29/08/2023, 00:45
Static task
static1
Behavioral task
behavioral1
Sample
98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe
Resource
win10v2004-20230703-en
General
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Target
98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe
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Size
77KB
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MD5
0cf58602659903e8ee362ff25867ded8
-
SHA1
400d1b5a2c4bec734fcdd2ba4739b2e7588fa405
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SHA256
98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd
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SHA512
0081de69c7a92ec95b2ebbc2eb53ea7994654465fe74822a8d5a5f9d59000f6363a39f8e98294cc9e003b36c76c83753201468de73bec75a2ce93b9338e337de
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SSDEEP
1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOkVc7kG:GhfxHNIreQm+HivVc7kG
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2968 rundll32.exe -
Loads dropped DLL 2 IoCs
pid Process 3020 98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe 3020 98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe -
Modifies system executable filetype association 2 TTPs 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.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 98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe File created C:\Windows\SysWOW64\¢«.exe 98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe 98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe File created C:\Windows\SysWOW64\notepad¢¬.exe 98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe 98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe File created C:\Windows\system\rundll32.exe 98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe -
Modifies registry class 15 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command 98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" 98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1693269931" 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 Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe 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 Key created \REGISTRY\MACHINE\Software\Classes\MSipv 98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" 98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1693269931" rundll32.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3020 98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe 3020 98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe 3020 98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe 3020 98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe 3020 98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe 3020 98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe 3020 98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe 3020 98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe 3020 98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe 3020 98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe 3020 98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe 3020 98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe 3020 98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe 3020 98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2968 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 3020 98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe 2968 rundll32.exe 2968 rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 3020 wrote to memory of 2968 3020 98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe 28 PID 3020 wrote to memory of 2968 3020 98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe 28 PID 3020 wrote to memory of 2968 3020 98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe 28 PID 3020 wrote to memory of 2968 3020 98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe 28 PID 3020 wrote to memory of 2968 3020 98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe 28 PID 3020 wrote to memory of 2968 3020 98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe 28 PID 3020 wrote to memory of 2968 3020 98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe"C:\Users\Admin\AppData\Local\Temp\98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.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:3020 -
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:2968
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
86KB
MD52a5d52ccfa8c9b1c647d292e2c41b366
SHA14b6ae79566ef85ebf033fd8673d302581e8677c4
SHA25687c555320c45b17420ad596bc8d473f23d61e22124443eef30aa8e5bfa1fc786
SHA512b7e2c9352a0bf88ec896196a1910425996b341f6230a42d5ab1f6cc2c94b42aa0b02cf517beb1a33dd9fc1e94d47527d7d210c79659550f1ebf7b97f12171a0c
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Filesize
79KB
MD50c14d898a8e1e2a1dad8071a9b7210dc
SHA1aa7ac0ffe9ff4f1e1077c2b9ae27a0c2caa78f67
SHA256b6fa2fa541b77492a36ef4e88a6153374226055b14f1e042bb5a02d271a009b7
SHA5122c0d30c4e5bcedca3c34d4564dca5913cf4311c854cb19209dae1bb12af8fd3851739267bcc06bf0731e2919b7625b8e17560afff1faa4a47e16f5007dce0c28
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Filesize
79KB
MD50c14d898a8e1e2a1dad8071a9b7210dc
SHA1aa7ac0ffe9ff4f1e1077c2b9ae27a0c2caa78f67
SHA256b6fa2fa541b77492a36ef4e88a6153374226055b14f1e042bb5a02d271a009b7
SHA5122c0d30c4e5bcedca3c34d4564dca5913cf4311c854cb19209dae1bb12af8fd3851739267bcc06bf0731e2919b7625b8e17560afff1faa4a47e16f5007dce0c28
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Filesize
79KB
MD50c14d898a8e1e2a1dad8071a9b7210dc
SHA1aa7ac0ffe9ff4f1e1077c2b9ae27a0c2caa78f67
SHA256b6fa2fa541b77492a36ef4e88a6153374226055b14f1e042bb5a02d271a009b7
SHA5122c0d30c4e5bcedca3c34d4564dca5913cf4311c854cb19209dae1bb12af8fd3851739267bcc06bf0731e2919b7625b8e17560afff1faa4a47e16f5007dce0c28
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Filesize
79KB
MD50c14d898a8e1e2a1dad8071a9b7210dc
SHA1aa7ac0ffe9ff4f1e1077c2b9ae27a0c2caa78f67
SHA256b6fa2fa541b77492a36ef4e88a6153374226055b14f1e042bb5a02d271a009b7
SHA5122c0d30c4e5bcedca3c34d4564dca5913cf4311c854cb19209dae1bb12af8fd3851739267bcc06bf0731e2919b7625b8e17560afff1faa4a47e16f5007dce0c28