runningrat | f9691a01efaeedd7d3f54e187feaaa6bc9274b3b5dd7ced1a278b64bf5c70051

Analysis

max time kernel
133s
max time network
141s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
20/12/2022, 12:26

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General

Target

tmp.exe
Size

68KB
MD5

644fe0acc5058cf374c8a55640beaf41
SHA1

7cddf73833a860356065f9244f94b0b4fec68b1d
SHA256

f9691a01efaeedd7d3f54e187feaaa6bc9274b3b5dd7ced1a278b64bf5c70051
SHA512

af22dee14664e7966f354612a9d34fce64d5bda6699812c88c5f5685933e451c29e61613c83706a504e1c5452c2d9845a213860313cb5ac2943026fa495646ab
SSDEEP

768:BCB8S+OR7dOahyoHokBtqN74W7bZZmYb9PyzcjRlYlwa6NVdkPnJJMIRV:BHJaAoHoc2x7bZoYBAcQlwJdMt

Score

10^/10

runningrat persistence rat

Malware Config

Signatures

RunningRat
RunningRat is a remote access trojan first seen in 2018.
rat runningrat

RunningRat payload 1 IoCs

resource	yara_rule
behavioral1/memory/1268-54-0x0000000010000000-0x000000001000F000-memory.dmp	family_runningrat

Executes dropped EXE 1 IoCs

pid	Process
920	SRDSL.exe

Sets DLL path for service in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SRDSL\Parameters\ServiceDll = "C:\\Windows\\system32\\7082320.dll"	tmp.exe

Loads dropped DLL 7 IoCs

pid	Process
1268	tmp.exe
972	svchost.exe
972	svchost.exe
920	SRDSL.exe
920	SRDSL.exe
920	SRDSL.exe
920	SRDSL.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\7082320.dll	tmp.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	tmp.exe
File created	C:\Windows\SysWOW64\SRDSL.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\SRDSL.exe	svchost.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 972 wrote to memory of 920	972	svchost.exe	29
PID 972 wrote to memory of 920	972	svchost.exe	29
PID 972 wrote to memory of 920	972	svchost.exe	29
PID 972 wrote to memory of 920	972	svchost.exe	29

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
PID:1268

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "SRDSL"
1⤵
PID:1204

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "SRDSL"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:972
- C:\Windows\SysWOW64\SRDSL.exe
  C:\Windows\system32\SRDSL.exe "c:\windows\system32\7082320.dll",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:920

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\SRDSL.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
C:\Windows\SysWOW64\SRDSL.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
\??\c:\windows\SysWOW64\7082320.dll

Filesize
37KB

MD5
6de3e067dfce7a10b0ab46ffdae940fb

SHA1
6c4753984754e3d53cc6d63d19f8f36bc54431dd

SHA256
494a5ade09bd94726281e71f704a757d48cef8665c7a4dc4f9494d80c59be1f0

SHA512
883df1ab23a6853dbd55322930e4051ed5b4dbc30aafca18909205c3bef713adcd2d4536cee5dd032669ecb3717605dd066c3bc19aee25f6e024cc941574f64e

Download Submit
\Windows\SysWOW64\7082320.dll

Filesize
37KB

MD5
6de3e067dfce7a10b0ab46ffdae940fb

SHA1
6c4753984754e3d53cc6d63d19f8f36bc54431dd

SHA256
494a5ade09bd94726281e71f704a757d48cef8665c7a4dc4f9494d80c59be1f0

SHA512
883df1ab23a6853dbd55322930e4051ed5b4dbc30aafca18909205c3bef713adcd2d4536cee5dd032669ecb3717605dd066c3bc19aee25f6e024cc941574f64e

Download Submit
\Windows\SysWOW64\7082320.dll

Filesize
37KB

MD5
6de3e067dfce7a10b0ab46ffdae940fb

SHA1
6c4753984754e3d53cc6d63d19f8f36bc54431dd

SHA256
494a5ade09bd94726281e71f704a757d48cef8665c7a4dc4f9494d80c59be1f0

SHA512
883df1ab23a6853dbd55322930e4051ed5b4dbc30aafca18909205c3bef713adcd2d4536cee5dd032669ecb3717605dd066c3bc19aee25f6e024cc941574f64e

Download Submit
\Windows\SysWOW64\7082320.dll

Filesize
37KB

MD5
6de3e067dfce7a10b0ab46ffdae940fb

SHA1
6c4753984754e3d53cc6d63d19f8f36bc54431dd

SHA256
494a5ade09bd94726281e71f704a757d48cef8665c7a4dc4f9494d80c59be1f0

SHA512
883df1ab23a6853dbd55322930e4051ed5b4dbc30aafca18909205c3bef713adcd2d4536cee5dd032669ecb3717605dd066c3bc19aee25f6e024cc941574f64e

Download Submit
\Windows\SysWOW64\7082320.dll

Filesize
37KB

MD5
6de3e067dfce7a10b0ab46ffdae940fb

SHA1
6c4753984754e3d53cc6d63d19f8f36bc54431dd

SHA256
494a5ade09bd94726281e71f704a757d48cef8665c7a4dc4f9494d80c59be1f0

SHA512
883df1ab23a6853dbd55322930e4051ed5b4dbc30aafca18909205c3bef713adcd2d4536cee5dd032669ecb3717605dd066c3bc19aee25f6e024cc941574f64e

Download Submit
\Windows\SysWOW64\7082320.dll

Filesize
37KB

MD5
6de3e067dfce7a10b0ab46ffdae940fb

SHA1
6c4753984754e3d53cc6d63d19f8f36bc54431dd

SHA256
494a5ade09bd94726281e71f704a757d48cef8665c7a4dc4f9494d80c59be1f0

SHA512
883df1ab23a6853dbd55322930e4051ed5b4dbc30aafca18909205c3bef713adcd2d4536cee5dd032669ecb3717605dd066c3bc19aee25f6e024cc941574f64e

Download Submit
\Windows\SysWOW64\7082320.dll

Filesize
37KB

MD5
6de3e067dfce7a10b0ab46ffdae940fb

SHA1
6c4753984754e3d53cc6d63d19f8f36bc54431dd

SHA256
494a5ade09bd94726281e71f704a757d48cef8665c7a4dc4f9494d80c59be1f0

SHA512
883df1ab23a6853dbd55322930e4051ed5b4dbc30aafca18909205c3bef713adcd2d4536cee5dd032669ecb3717605dd066c3bc19aee25f6e024cc941574f64e

Download Submit
\Windows\SysWOW64\SRDSL.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/1268-54-0x0000000010000000-0x000000001000F000-memory.dmp

Filesize
60KB

Download
memory/1268-60-0x00000000002D0000-0x00000000002DD000-memory.dmp

Filesize
52KB

Download
memory/1268-58-0x00000000757A1000-0x00000000757A3000-memory.dmp

Filesize
8KB

Download