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Analysis
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max time kernel
140s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system -
submitted
01/03/2024, 20:33
Behavioral task
behavioral1
Sample
tmp.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
tmp.exe
Resource
win10v2004-20240226-en
General
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Target
tmp.exe
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Size
48KB
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MD5
d65c7a3cb25eb79571854b5fab17be35
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SHA1
6c980e0357dea99771704f3f122d369d90fefd5f
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SHA256
7d693069636a46d7d430ced104854e7a19da09fc0b1e9c43e6ac55ab52bd8eea
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SHA512
bcd1a7598f1740e3838592c4a853e04caa78709a98454be0f8ab7cc2a4973c12e639192f676504ee97c7cbc6e34278011d998656ac8f81dccfc56e7455eb7678
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SSDEEP
768:zynb12Aw5J6HC4kq5Jp9bjAzhyY55J+NStcEeUlyqgZl4p67VhPC:Ub1MsHz3JDwhyWr+N95OTga6u
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\SICK\Parameters\ServiceDll = "C:\\Windows\\system32\\259395061.dll" tmp.exe -
Deletes itself 1 IoCs
pid Process 2272 cmd.exe -
Executes dropped EXE 1 IoCs
pid Process 2600 SICK.exe -
Loads dropped DLL 7 IoCs
pid Process 2204 tmp.exe 1668 svchost.exe 1668 svchost.exe 2600 SICK.exe 2600 SICK.exe 2600 SICK.exe 2600 SICK.exe -
Creates a Windows Service
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Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\259395061.dll tmp.exe File created C:\Windows\SysWOW64\SICK.exe svchost.exe File opened for modification C:\Windows\SysWOW64\SICK.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 2124 PING.EXE -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2204 tmp.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2204 tmp.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2204 tmp.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2204 wrote to memory of 2272 2204 tmp.exe 30 PID 2204 wrote to memory of 2272 2204 tmp.exe 30 PID 2204 wrote to memory of 2272 2204 tmp.exe 30 PID 2204 wrote to memory of 2272 2204 tmp.exe 30 PID 2272 wrote to memory of 2124 2272 cmd.exe 32 PID 2272 wrote to memory of 2124 2272 cmd.exe 32 PID 2272 wrote to memory of 2124 2272 cmd.exe 32 PID 2272 wrote to memory of 2124 2272 cmd.exe 32 PID 1668 wrote to memory of 2600 1668 svchost.exe 33 PID 1668 wrote to memory of 2600 1668 svchost.exe 33 PID 1668 wrote to memory of 2600 1668 svchost.exe 33 PID 1668 wrote to memory of 2600 1668 svchost.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\tmp.exe"C:\Users\Admin\AppData\Local\Temp\tmp.exe"1⤵
- Sets DLL path for service in the registry
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2204 -
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\tmp.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:2272 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 13⤵
- Runs ping.exe
PID:2124
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "SICK"1⤵PID:2220
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "SICK"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1668 -
C:\Windows\SysWOW64\SICK.exeC:\Windows\system32\SICK.exe "c:\windows\system32\259395061.dll",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2600
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
25KB
MD5aa4ed83fc3f6255e1617fe39541fb1f4
SHA1945c3ae4cb8eca8d2410a7e0cd4e30f27d76c1fb
SHA2568060755c7df499ccce82afa6adc0086c38540a01d2fb0b72b2488edcbe24e984
SHA512dcf5b167eda97c1a20397742851e676c0272354879d80646e8c0d4e9c5042b678bb44edd2e42825afc328becd31b75695c6adbca31e7c5c941e8923965ab30c2
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Filesize
43KB
MD551138beea3e2c21ec44d0932c71762a8
SHA18939cf35447b22dd2c6e6f443446acc1bf986d58
SHA2565ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d