Analysis
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max time kernel
140s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240611-en -
resource tags
arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system -
submitted
15-06-2024 10:32
Behavioral task
behavioral1
Sample
b6e1c130d2b9f81e9457197727bb12e29093f29bf80408c2351bbad8cf821d4f.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
b6e1c130d2b9f81e9457197727bb12e29093f29bf80408c2351bbad8cf821d4f.exe
Resource
win10v2004-20240611-en
General
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Target
b6e1c130d2b9f81e9457197727bb12e29093f29bf80408c2351bbad8cf821d4f.exe
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Size
48KB
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MD5
2b6bdd0a18e76a5df3a867a49f951125
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SHA1
f0286405e8c8efb11ad4d30b29f32268ea747c09
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SHA256
b6e1c130d2b9f81e9457197727bb12e29093f29bf80408c2351bbad8cf821d4f
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SHA512
ef06c218ad5daf8437fda94c991a4ba86e3bdfd7ef55b64d8fdbe4657bb7acf512c42e7158cce17943a3aa437f96d294dae6eeb908d1f8acacdc4ddb25f27915
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SSDEEP
768:zynb12Aw5J6HC4kq5Jp9bjAzhyY55J+NStcEeUlyqgZl4p67ahPC:Ub1MsHz3JDwhyWr+N95OTga6Z
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
Processes:
b6e1c130d2b9f81e9457197727bb12e29093f29bf80408c2351bbad8cf821d4f.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Simullatis\Parameters\ServiceDll = "C:\\Users\\Admin\\AppData\\Local\\Temp\\259395077.dll" b6e1c130d2b9f81e9457197727bb12e29093f29bf80408c2351bbad8cf821d4f.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid Process 2924 cmd.exe -
Executes dropped EXE 1 IoCs
Processes:
Simullatis.exepid Process 2628 Simullatis.exe -
Loads dropped DLL 7 IoCs
Processes:
b6e1c130d2b9f81e9457197727bb12e29093f29bf80408c2351bbad8cf821d4f.exesvchost.exeSimullatis.exepid Process 2140 b6e1c130d2b9f81e9457197727bb12e29093f29bf80408c2351bbad8cf821d4f.exe 2304 svchost.exe 2304 svchost.exe 2628 Simullatis.exe 2628 Simullatis.exe 2628 Simullatis.exe 2628 Simullatis.exe -
Creates a Windows Service
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Drops file in System32 directory 2 IoCs
Processes:
svchost.exedescription ioc Process File created C:\Windows\SysWOW64\Simullatis.exe svchost.exe File opened for modification C:\Windows\SysWOW64\Simullatis.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
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Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
b6e1c130d2b9f81e9457197727bb12e29093f29bf80408c2351bbad8cf821d4f.exepid Process 2140 b6e1c130d2b9f81e9457197727bb12e29093f29bf80408c2351bbad8cf821d4f.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
b6e1c130d2b9f81e9457197727bb12e29093f29bf80408c2351bbad8cf821d4f.exedescription pid Process Token: SeIncBasePriorityPrivilege 2140 b6e1c130d2b9f81e9457197727bb12e29093f29bf80408c2351bbad8cf821d4f.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
b6e1c130d2b9f81e9457197727bb12e29093f29bf80408c2351bbad8cf821d4f.exepid Process 2140 b6e1c130d2b9f81e9457197727bb12e29093f29bf80408c2351bbad8cf821d4f.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
b6e1c130d2b9f81e9457197727bb12e29093f29bf80408c2351bbad8cf821d4f.execmd.exesvchost.exedescription pid Process procid_target PID 2140 wrote to memory of 2924 2140 b6e1c130d2b9f81e9457197727bb12e29093f29bf80408c2351bbad8cf821d4f.exe 30 PID 2140 wrote to memory of 2924 2140 b6e1c130d2b9f81e9457197727bb12e29093f29bf80408c2351bbad8cf821d4f.exe 30 PID 2140 wrote to memory of 2924 2140 b6e1c130d2b9f81e9457197727bb12e29093f29bf80408c2351bbad8cf821d4f.exe 30 PID 2140 wrote to memory of 2924 2140 b6e1c130d2b9f81e9457197727bb12e29093f29bf80408c2351bbad8cf821d4f.exe 30 PID 2924 wrote to memory of 2668 2924 cmd.exe 32 PID 2924 wrote to memory of 2668 2924 cmd.exe 32 PID 2924 wrote to memory of 2668 2924 cmd.exe 32 PID 2924 wrote to memory of 2668 2924 cmd.exe 32 PID 2304 wrote to memory of 2628 2304 svchost.exe 33 PID 2304 wrote to memory of 2628 2304 svchost.exe 33 PID 2304 wrote to memory of 2628 2304 svchost.exe 33 PID 2304 wrote to memory of 2628 2304 svchost.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\b6e1c130d2b9f81e9457197727bb12e29093f29bf80408c2351bbad8cf821d4f.exe"C:\Users\Admin\AppData\Local\Temp\b6e1c130d2b9f81e9457197727bb12e29093f29bf80408c2351bbad8cf821d4f.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:2140 -
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\b6e1c130d2b9f81e9457197727bb12e29093f29bf80408c2351bbad8cf821d4f.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:2924 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 13⤵
- Runs ping.exe
PID:2668
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "Simullatis"1⤵PID:3060
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "Simullatis"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2304 -
C:\Windows\SysWOW64\Simullatis.exeC:\Windows\system32\Simullatis.exe "c:\users\admin\appdata\local\temp\259395077.dll",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2628
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
25KB
MD5da3dd69dae8627334a8479f60eeb082e
SHA135c550902e5c0e6297785c367c2d638dda23404e
SHA25603bc8caca1bab6d14d7eac1dde331df3be91aec47c51c7ddf6646deab028d17e
SHA512b09e6175513d2e75119a67741f6d694722be511b317bd30efed30b4961dc945a97ce6baccc1282a412adaea31d60679183d3a15e7564c04c5dcad712650c5d3c
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Filesize
43KB
MD551138beea3e2c21ec44d0932c71762a8
SHA18939cf35447b22dd2c6e6f443446acc1bf986d58
SHA2565ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d