runningrat | 2e8018f36f3e682f8c8f407448cb2c41e639707c251ae5877090d61286143ba4

Analysis

max time kernel
145s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-12-2024 08:52

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General

Target

2e8018f36f3e682f8c8f407448cb2c41e639707c251ae5877090d61286143ba4_Sigmanly.exe
Size

68KB
MD5

c3e87d5de68cefd51bdd950b3d6c488b
SHA1

78086f01b5aacf7f7bd13e62d842f0e89b36662a
SHA256

2e8018f36f3e682f8c8f407448cb2c41e639707c251ae5877090d61286143ba4
SHA512

6929ae82a700e55d953c753b7aff2c8e4db0717a18bbc20bd502223a8dd17d5dce1ea4e2d9c081206826a4c006285b2a26042e8bf8e3110ae03d517048279962
SSDEEP

768:BCB8S+OR7dOahyoHokBtqN74W7bZZmYb9PyzcjRlYlwa6NVdkPnJJMIWV:BHJaAoHoc2x7bZoYBAcQlwJdMq

Score

10^/10

runningrat discovery persistence rat

Malware Config

Extracted

Family

runningrat

Signatures

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

RunningRat payload 1 IoCs

resource	yara_rule
behavioral2/memory/3784-1-0x0000000010000000-0x000000001000F000-memory.dmp	family_runningrat

Runningrat family
runningrat

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SANETRUDDL\Parameters\ServiceDll = "C:\\Windows\\system32\\240630640.dll"	2e8018f36f3e682f8c8f407448cb2c41e639707c251ae5877090d61286143ba4_Sigmanly.exe

Executes dropped EXE 1 IoCs

pid	Process
2272	SANETRUDDL.exe

Loads dropped DLL 4 IoCs

pid	Process
3784	2e8018f36f3e682f8c8f407448cb2c41e639707c251ae5877090d61286143ba4_Sigmanly.exe
3784	2e8018f36f3e682f8c8f407448cb2c41e639707c251ae5877090d61286143ba4_Sigmanly.exe
1252	svchost.exe
2272	SANETRUDDL.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240630640.dll	2e8018f36f3e682f8c8f407448cb2c41e639707c251ae5877090d61286143ba4_Sigmanly.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	2e8018f36f3e682f8c8f407448cb2c41e639707c251ae5877090d61286143ba4_Sigmanly.exe
File created	C:\Windows\SysWOW64\SANETRUDDL.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\SANETRUDDL.exe	svchost.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SANETRUDDL.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2e8018f36f3e682f8c8f407448cb2c41e639707c251ae5877090d61286143ba4_Sigmanly.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1252 wrote to memory of 2272	1252	svchost.exe	85
PID 1252 wrote to memory of 2272	1252	svchost.exe	85
PID 1252 wrote to memory of 2272	1252	svchost.exe	85

C:\Users\Admin\AppData\Local\Temp\2e8018f36f3e682f8c8f407448cb2c41e639707c251ae5877090d61286143ba4_Sigmanly.exe
"C:\Users\Admin\AppData\Local\Temp\2e8018f36f3e682f8c8f407448cb2c41e639707c251ae5877090d61286143ba4_Sigmanly.exe"
1⤵
- Server Software Component: Terminal Services DLL
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
PID:3784

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "SANETRUDDL"
1⤵
PID:4760

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "SANETRUDDL"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1252
- C:\Windows\SysWOW64\SANETRUDDL.exe
  C:\Windows\system32\SANETRUDDL.exe "c:\windows\system32\240630640.dll",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2272

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Server Software Component

T1505

Terminal Services DLL

T1505.005

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\240630640.dll

Filesize
37KB

MD5
26a17f5ff905de5ae539080bab08b01f

SHA1
bbafc6be665d16af598b178b5cab7afa9ba99de1

SHA256
b9bc3f86b83b655c4f0d8ff6b2001fbe3fc6be2fb2ec416fa70fd51495ef6ee8

SHA512
54ea806f8c23caba53add0dbd438eb0174ab4d990ce5c4daaee8e15b8aad713ccc4f3d6ab0d6efaefb226be5f09b4b9c8fbabef223498fac2896a3c7f1de5a24

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/3784-1-0x0000000010000000-0x000000001000F000-memory.dmp

Filesize
60KB

Download
memory/3784-8-0x00000000006F0000-0x00000000006FD000-memory.dmp

Filesize
52KB

Download