Analysis
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max time kernel
151s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
28-11-2022 00:16
Behavioral task
behavioral1
Sample
7a9338d26c274fce9e8fc52501604586033c1ae132c1368fd575691961e2fc73.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
7a9338d26c274fce9e8fc52501604586033c1ae132c1368fd575691961e2fc73.exe
Resource
win10v2004-20220901-en
General
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Target
7a9338d26c274fce9e8fc52501604586033c1ae132c1368fd575691961e2fc73.exe
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Size
92KB
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MD5
2544adda7a677d30aaaf42b7a788b7a9
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SHA1
c6cb7e314c7efee3b3e796a054a1a705c8d1119c
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SHA256
7a9338d26c274fce9e8fc52501604586033c1ae132c1368fd575691961e2fc73
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SHA512
8e1b9f4d24663ac95d602524a90710475d5c995664127cd7f564b55b56d96f0cf2794b3c2b392b6242dee80509f019396fd25378bb2c5bf6f377d9cf81e976a4
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SSDEEP
1536:YxETPkgcky/Vht7ILmkAP3T3pzJuhyicgcqd33+9fAbsZ7Yg53zfbF:YWT3yCfUZfucU3s+q8g53zfp
Malware Config
Signatures
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RunningRat
RunningRat is a remote access trojan first seen in 2018.
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RunningRat payload 1 IoCs
resource yara_rule behavioral2/memory/1316-132-0x0000000000400000-0x0000000000416000-memory.dmp family_runningrat -
Executes dropped EXE 1 IoCs
pid Process 4520 SRDSL.exe -
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\\240569109.dll" 7a9338d26c274fce9e8fc52501604586033c1ae132c1368fd575691961e2fc73.exe -
Loads dropped DLL 3 IoCs
pid Process 1316 7a9338d26c274fce9e8fc52501604586033c1ae132c1368fd575691961e2fc73.exe 4304 svchost.exe 4520 SRDSL.exe -
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 -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 1316 7a9338d26c274fce9e8fc52501604586033c1ae132c1368fd575691961e2fc73.exe 1316 7a9338d26c274fce9e8fc52501604586033c1ae132c1368fd575691961e2fc73.exe 1316 7a9338d26c274fce9e8fc52501604586033c1ae132c1368fd575691961e2fc73.exe 1316 7a9338d26c274fce9e8fc52501604586033c1ae132c1368fd575691961e2fc73.exe 1316 7a9338d26c274fce9e8fc52501604586033c1ae132c1368fd575691961e2fc73.exe 1316 7a9338d26c274fce9e8fc52501604586033c1ae132c1368fd575691961e2fc73.exe 1316 7a9338d26c274fce9e8fc52501604586033c1ae132c1368fd575691961e2fc73.exe 1316 7a9338d26c274fce9e8fc52501604586033c1ae132c1368fd575691961e2fc73.exe 1316 7a9338d26c274fce9e8fc52501604586033c1ae132c1368fd575691961e2fc73.exe 1316 7a9338d26c274fce9e8fc52501604586033c1ae132c1368fd575691961e2fc73.exe 1316 7a9338d26c274fce9e8fc52501604586033c1ae132c1368fd575691961e2fc73.exe 1316 7a9338d26c274fce9e8fc52501604586033c1ae132c1368fd575691961e2fc73.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1316 7a9338d26c274fce9e8fc52501604586033c1ae132c1368fd575691961e2fc73.exe 1316 7a9338d26c274fce9e8fc52501604586033c1ae132c1368fd575691961e2fc73.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4304 wrote to memory of 4520 4304 svchost.exe 85 PID 4304 wrote to memory of 4520 4304 svchost.exe 85 PID 4304 wrote to memory of 4520 4304 svchost.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\7a9338d26c274fce9e8fc52501604586033c1ae132c1368fd575691961e2fc73.exe"C:\Users\Admin\AppData\Local\Temp\7a9338d26c274fce9e8fc52501604586033c1ae132c1368fd575691961e2fc73.exe"1⤵
- Sets DLL path for service in the registry
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1316
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "SRDSL"1⤵PID:2184
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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:4304 -
C:\Windows\SysWOW64\SRDSL.exeC:\Windows\system32\SRDSL.exe "c:\users\admin\appdata\local\temp\240569109.dll",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:4520
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
29KB
MD501ea54b8eee0f00c20f817ca47f599c5
SHA169f6941fa4b7467e55882272d3705a2f79a9026b
SHA2569b48de597a6a6c5719dcbb7fec8b90e5ab3f196a5cb252b39baebf85356cc957
SHA512ae64d599176da182c7f42ccce5f2ce8b3ffe8ef69dcff1e0330f92896b228147d3e8bea55e3f9800996f50142752252480db79729cefa9b5122f1995f9cc3620
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Filesize
29KB
MD501ea54b8eee0f00c20f817ca47f599c5
SHA169f6941fa4b7467e55882272d3705a2f79a9026b
SHA2569b48de597a6a6c5719dcbb7fec8b90e5ab3f196a5cb252b39baebf85356cc957
SHA512ae64d599176da182c7f42ccce5f2ce8b3ffe8ef69dcff1e0330f92896b228147d3e8bea55e3f9800996f50142752252480db79729cefa9b5122f1995f9cc3620
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Filesize
29KB
MD501ea54b8eee0f00c20f817ca47f599c5
SHA169f6941fa4b7467e55882272d3705a2f79a9026b
SHA2569b48de597a6a6c5719dcbb7fec8b90e5ab3f196a5cb252b39baebf85356cc957
SHA512ae64d599176da182c7f42ccce5f2ce8b3ffe8ef69dcff1e0330f92896b228147d3e8bea55e3f9800996f50142752252480db79729cefa9b5122f1995f9cc3620
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Filesize
60KB
MD5889b99c52a60dd49227c5e485a016679
SHA18fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA2566cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA51208933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641
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Filesize
60KB
MD5889b99c52a60dd49227c5e485a016679
SHA18fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA2566cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA51208933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641
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Filesize
29KB
MD501ea54b8eee0f00c20f817ca47f599c5
SHA169f6941fa4b7467e55882272d3705a2f79a9026b
SHA2569b48de597a6a6c5719dcbb7fec8b90e5ab3f196a5cb252b39baebf85356cc957
SHA512ae64d599176da182c7f42ccce5f2ce8b3ffe8ef69dcff1e0330f92896b228147d3e8bea55e3f9800996f50142752252480db79729cefa9b5122f1995f9cc3620