Analysis
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max time kernel
249s -
max time network
259s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
15-06-2024 03:49
Behavioral task
behavioral1
Sample
8989.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
8989.exe
Resource
win10v2004-20240611-en
General
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Target
8989.exe
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Size
48KB
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MD5
7d8056785948284e8f6b89004886c936
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SHA1
fb954f84b2c0afffb5e788b04029563685054dee
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SHA256
f59d23fcb44d07bd1cfc3852bc17b60cc4c35a21a66125953d6f5f697131a521
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SHA512
dc11f4669102af7fa6f5b44ead415e12317d65d2847f806a1ffc92a3b5a626a0c74d2c49592b7259f56a0299748a8599e5ab6983b7dec335a04106d44312aa06
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SSDEEP
768:zynb12Aw5J6HC4kq5Jp9bjAzhyY55J+NStcEeUlyqgZl4p67ChPC:Ub1MsHz3JDwhyWr+N95OTga6R
Malware Config
Signatures
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RunningRat
RunningRat is a remote access trojan first seen in 2018.
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Sets DLL path for service in the registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SRDSL\Parameters\ServiceDll = "C:\\Users\\Admin\\AppData\\Local\\Temp\\259395498.dll" 8989.exe -
Deletes itself 1 IoCs
pid Process 1856 cmd.exe -
Executes dropped EXE 1 IoCs
pid Process 2688 SRDSL.exe -
Loads dropped DLL 7 IoCs
pid Process 3024 8989.exe 2836 svchost.exe 2836 svchost.exe 2688 SRDSL.exe 2688 SRDSL.exe 2688 SRDSL.exe 2688 SRDSL.exe -
Creates a Windows Service
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Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\SRDSL.exe svchost.exe File created C:\Windows\SysWOW64\SRDSL.exe svchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Runs ping.exe 1 TTPs 1 IoCs
pid Process 2536 PING.EXE -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 3024 8989.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 3024 8989.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3024 8989.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3024 wrote to memory of 1856 3024 8989.exe 30 PID 3024 wrote to memory of 1856 3024 8989.exe 30 PID 3024 wrote to memory of 1856 3024 8989.exe 30 PID 3024 wrote to memory of 1856 3024 8989.exe 30 PID 1856 wrote to memory of 2536 1856 cmd.exe 32 PID 1856 wrote to memory of 2536 1856 cmd.exe 32 PID 1856 wrote to memory of 2536 1856 cmd.exe 32 PID 1856 wrote to memory of 2536 1856 cmd.exe 32 PID 2836 wrote to memory of 2688 2836 svchost.exe 33 PID 2836 wrote to memory of 2688 2836 svchost.exe 33 PID 2836 wrote to memory of 2688 2836 svchost.exe 33 PID 2836 wrote to memory of 2688 2836 svchost.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\8989.exe"C:\Users\Admin\AppData\Local\Temp\8989.exe"1⤵
- Sets DLL path for service in the registry
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3024 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 -n 1 && del /f/q "C:\Users\Admin\AppData\Local\Temp\8989.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1856 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 13⤵
- Runs ping.exe
PID:2536
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "SRDSL"1⤵PID:2832
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "SRDSL"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2836 -
C:\Windows\SysWOW64\SRDSL.exeC:\Windows\system32\SRDSL.exe "c:\users\admin\appdata\local\temp\259395498.dll",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2688
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
25KB
MD56a7114eb7f0ab9a6406ef61947aed405
SHA1b9b73a30867a32d84dd4586330b451fca611c90d
SHA25645a684f6b92724df6d38f9e71b65013ca7d1c588dd5d85df5039e50d70993ff7
SHA5126437a6e046b0746cae987d5b7f291bb510db378cab9796ce98d799c221bdb48aa3382197507792cdc38babdf7875dd9134bd7167c3a6f2acc85e1c91534dc8b8
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Filesize
43KB
MD551138beea3e2c21ec44d0932c71762a8
SHA18939cf35447b22dd2c6e6f443446acc1bf986d58
SHA2565ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d