runningrat | d536aae3b7468b7598e0e5e39e004bc26a087b81e68c3fdf9205762f2bb6782a

Analysis

max time kernel
43s
max time network
131s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-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
behavioral1/memory/1084-54-0x0000000010000000-0x000000001000F000-memory.dmp	family_runningrat

Executes dropped EXE 1 IoCs

pid	Process
808	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\\7080292.dll"	tmp.exe

Loads dropped DLL 7 IoCs

pid	Process
1084	tmp.exe
664	svchost.exe
664	svchost.exe
808	NETRUDDL.exe
808	NETRUDDL.exe
808	NETRUDDL.exe
808	NETRUDDL.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\NETRUDDL.exe	svchost.exe
File created	C:\Windows\SysWOW64\7080292.dll	tmp.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	tmp.exe
File created	C:\Windows\SysWOW64\NETRUDDL.exe	svchost.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	NETRUDDL.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	NETRUDDL.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	NETRUDDL.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie	NETRUDDL.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum\Version = "7"	NETRUDDL.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum	NETRUDDL.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	NETRUDDL.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 664 wrote to memory of 808	664	svchost.exe	29
PID 664 wrote to memory of 808	664	svchost.exe	29
PID 664 wrote to memory of 808	664	svchost.exe	29
PID 664 wrote to memory of 808	664	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:1084

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "NETRUDDL"
1⤵
PID:384

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:664
- C:\Windows\SysWOW64\NETRUDDL.exe
  C:\Windows\system32\NETRUDDL.exe "c:\windows\system32\7080292.dll",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Checks processor information in registry
  - Modifies data under HKEY_USERS
  PID:808

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\NETRUDDL.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

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

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
C:\Windows\SysWOW64\ini.ini

Filesize
44B

MD5
53bf7b40f6153897211b219abc685c5f

SHA1
c42e018d866180eb7c41a85c268b64ccf72617ee

SHA256
ada47a6e7532f9782a0c104f1a185f43547e14daa381ca9c0ace9d4f129e9f42

SHA512
1a1b3c5b887ddd08947e79a4ebc478f230239341ac1eb1fb84700c864dc26a32bfaabbc5483f428e294ad85bfc295d14b176a66e135c0fec2ced8544da71c481

Download Submit
\??\c:\windows\SysWOW64\7080292.dll

Filesize
37KB

MD5
5df77ad9615fe6269ddbe73995cbebc7

SHA1
bf8cabf397fcc5fce44c30424bf3f05652accf19

SHA256
856b11576ee400f2f481703d81f27aa608bb43176db8b4e01279e1c3276297c0

SHA512
45eeeddabc7f107d4391f25464fda4f27abdf4e6bd57dd47c188966e46f31a38f018fd490871620b5036db0f846b1af89a366b9393267a1c4e22ff34c124d59c

Download Submit
\Windows\SysWOW64\7080292.dll

Filesize
37KB

MD5
5df77ad9615fe6269ddbe73995cbebc7

SHA1
bf8cabf397fcc5fce44c30424bf3f05652accf19

SHA256
856b11576ee400f2f481703d81f27aa608bb43176db8b4e01279e1c3276297c0

SHA512
45eeeddabc7f107d4391f25464fda4f27abdf4e6bd57dd47c188966e46f31a38f018fd490871620b5036db0f846b1af89a366b9393267a1c4e22ff34c124d59c

Download Submit
\Windows\SysWOW64\7080292.dll

Filesize
37KB

MD5
5df77ad9615fe6269ddbe73995cbebc7

SHA1
bf8cabf397fcc5fce44c30424bf3f05652accf19

SHA256
856b11576ee400f2f481703d81f27aa608bb43176db8b4e01279e1c3276297c0

SHA512
45eeeddabc7f107d4391f25464fda4f27abdf4e6bd57dd47c188966e46f31a38f018fd490871620b5036db0f846b1af89a366b9393267a1c4e22ff34c124d59c

Download Submit
\Windows\SysWOW64\7080292.dll

Filesize
37KB

MD5
5df77ad9615fe6269ddbe73995cbebc7

SHA1
bf8cabf397fcc5fce44c30424bf3f05652accf19

SHA256
856b11576ee400f2f481703d81f27aa608bb43176db8b4e01279e1c3276297c0

SHA512
45eeeddabc7f107d4391f25464fda4f27abdf4e6bd57dd47c188966e46f31a38f018fd490871620b5036db0f846b1af89a366b9393267a1c4e22ff34c124d59c

Download Submit
\Windows\SysWOW64\7080292.dll

Filesize
37KB

MD5
5df77ad9615fe6269ddbe73995cbebc7

SHA1
bf8cabf397fcc5fce44c30424bf3f05652accf19

SHA256
856b11576ee400f2f481703d81f27aa608bb43176db8b4e01279e1c3276297c0

SHA512
45eeeddabc7f107d4391f25464fda4f27abdf4e6bd57dd47c188966e46f31a38f018fd490871620b5036db0f846b1af89a366b9393267a1c4e22ff34c124d59c

Download Submit
\Windows\SysWOW64\7080292.dll

Filesize
37KB

MD5
5df77ad9615fe6269ddbe73995cbebc7

SHA1
bf8cabf397fcc5fce44c30424bf3f05652accf19

SHA256
856b11576ee400f2f481703d81f27aa608bb43176db8b4e01279e1c3276297c0

SHA512
45eeeddabc7f107d4391f25464fda4f27abdf4e6bd57dd47c188966e46f31a38f018fd490871620b5036db0f846b1af89a366b9393267a1c4e22ff34c124d59c

Download Submit
\Windows\SysWOW64\7080292.dll

Filesize
37KB

MD5
5df77ad9615fe6269ddbe73995cbebc7

SHA1
bf8cabf397fcc5fce44c30424bf3f05652accf19

SHA256
856b11576ee400f2f481703d81f27aa608bb43176db8b4e01279e1c3276297c0

SHA512
45eeeddabc7f107d4391f25464fda4f27abdf4e6bd57dd47c188966e46f31a38f018fd490871620b5036db0f846b1af89a366b9393267a1c4e22ff34c124d59c

Download Submit
\Windows\SysWOW64\NETRUDDL.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/1084-54-0x0000000010000000-0x000000001000F000-memory.dmp

Filesize
60KB

Download
memory/1084-60-0x0000000000250000-0x000000000025D000-memory.dmp

Filesize
52KB

Download
memory/1084-58-0x0000000074C91000-0x0000000074C93000-memory.dmp

Filesize
8KB

Download