runningrat | d536aae3b7468b7598e0e5e39e004bc26a087b81e68c3fdf9205762f2bb6782a

Analysis

max time kernel
216s
max time network
226s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
29-01-2023 16:47

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General

Target

tmp.exe
Size

68KB
MD5

63e89bf274c20c083a0fe769e948e2b4
SHA1

ffe988132fc4e69e782f3fc9da8e13c281d1b302
SHA256

d536aae3b7468b7598e0e5e39e004bc26a087b81e68c3fdf9205762f2bb6782a
SHA512

108e8eccba50e0bc91ececd68fdfb3019e42f2d6be04885a29c5b81f288803eebc619a3ec00cf6458b87038d62bfe63ce9c642627742fded111890b3b5fc9c6b
SSDEEP

768:BCB8S+OR7dOahyoHokBtqN74W7bZZmYb9PyzcjRlYlwa6NVdkPnJJMIIV:BHJaAoHoc2x7bZoYBAcQlwJdMY

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
behavioral2/memory/2804-132-0x0000000010000000-0x000000001000F000-memory.dmp	family_runningrat

Executes dropped EXE 1 IoCs

pid	Process
1564	NETRUDDL.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\NETRUDDL\Parameters\ServiceDll = "C:\\Windows\\system32\\240630687.dll"	tmp.exe

Loads dropped DLL 4 IoCs

pid	Process
2804	tmp.exe
2804	tmp.exe
3828	svchost.exe
1564	NETRUDDL.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240630687.dll	tmp.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	tmp.exe
File created	C:\Windows\SysWOW64\NETRUDDL.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\NETRUDDL.exe	svchost.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3828 wrote to memory of 1564	3828	svchost.exe	80
PID 3828 wrote to memory of 1564	3828	svchost.exe	80
PID 3828 wrote to memory of 1564	3828	svchost.exe	80

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:2804

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "NETRUDDL"
1⤵
PID:4916

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "NETRUDDL"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3828
- C:\Windows\SysWOW64\NETRUDDL.exe
  C:\Windows\system32\NETRUDDL.exe "c:\windows\system32\240630687.dll",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1564

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\240630687.dll

Filesize
37KB

MD5
d493c38c54cacb8619ce72ccda3895d1

SHA1
14d5974658d5f16d2d731e48a60dd9f8cda34572

SHA256
f861f1ff9c2eb76fc22a7b70307476aa755b67e49e3bbf18980d0761187e0b14

SHA512
3bda9d8aba8a8382456e95615f54cf511fbaad11a751c40ffa5b2c8b3e658028cbde264f721b0c07d25c2103291e25676defa401f903f25c3a947cc059a380f8

Download Submit
C:\Windows\SysWOW64\240630687.dll

Filesize
37KB

MD5
d493c38c54cacb8619ce72ccda3895d1

SHA1
14d5974658d5f16d2d731e48a60dd9f8cda34572

SHA256
f861f1ff9c2eb76fc22a7b70307476aa755b67e49e3bbf18980d0761187e0b14

SHA512
3bda9d8aba8a8382456e95615f54cf511fbaad11a751c40ffa5b2c8b3e658028cbde264f721b0c07d25c2103291e25676defa401f903f25c3a947cc059a380f8

Download Submit
C:\Windows\SysWOW64\240630687.dll

Filesize
37KB

MD5
d493c38c54cacb8619ce72ccda3895d1

SHA1
14d5974658d5f16d2d731e48a60dd9f8cda34572

SHA256
f861f1ff9c2eb76fc22a7b70307476aa755b67e49e3bbf18980d0761187e0b14

SHA512
3bda9d8aba8a8382456e95615f54cf511fbaad11a751c40ffa5b2c8b3e658028cbde264f721b0c07d25c2103291e25676defa401f903f25c3a947cc059a380f8

Download Submit
C:\Windows\SysWOW64\240630687.dll

Filesize
37KB

MD5
d493c38c54cacb8619ce72ccda3895d1

SHA1
14d5974658d5f16d2d731e48a60dd9f8cda34572

SHA256
f861f1ff9c2eb76fc22a7b70307476aa755b67e49e3bbf18980d0761187e0b14

SHA512
3bda9d8aba8a8382456e95615f54cf511fbaad11a751c40ffa5b2c8b3e658028cbde264f721b0c07d25c2103291e25676defa401f903f25c3a947cc059a380f8

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
\??\c:\windows\SysWOW64\240630687.dll

Filesize
37KB

MD5
d493c38c54cacb8619ce72ccda3895d1

SHA1
14d5974658d5f16d2d731e48a60dd9f8cda34572

SHA256
f861f1ff9c2eb76fc22a7b70307476aa755b67e49e3bbf18980d0761187e0b14

SHA512
3bda9d8aba8a8382456e95615f54cf511fbaad11a751c40ffa5b2c8b3e658028cbde264f721b0c07d25c2103291e25676defa401f903f25c3a947cc059a380f8

Download Submit
memory/2804-132-0x0000000010000000-0x000000001000F000-memory.dmp

Filesize
60KB

Download
memory/2804-138-0x0000000000860000-0x000000000086D000-memory.dmp

Filesize
52KB

Download