runningrat | 9eee88eb59ff0b7e6c24ec7e4b7529d1c7b44afd04e51f9df82afad3f9a31ebd

General

Target

9eee88eb59ff0b7e6c24ec7e4b7529d1c7b44afd04e51f9df82afad3f9a31ebd.exe
Size

56KB
MD5

1babe64eb90e5e610dfbb1f91deb1126
SHA1

ee43d92c35e28748101f58c0d6632d7b70d0b5d0
SHA256

9eee88eb59ff0b7e6c24ec7e4b7529d1c7b44afd04e51f9df82afad3f9a31ebd
SHA512

b37d907ed044de24e4258978d876abf73c21f5fba6b36ee498af4eb79ae2b09f7ff8571a66477ff4cdb7f8471b99132c624ff286000310524734bc610e548708
SSDEEP

768:Dr0atvvxN9tpdC7EezJ0d8hPUtrFRtFtg3NojiwvuccA4iiKahtAZchy:Dr0udk7ESuqhParNMKnFfiroZch

Score

10^/10

runningrat discovery persistence rat

Malware Config

Signatures

RunningRat
RunningRat is a remote access trojan first seen in 2018.
rat 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\hjcdx\Parameters\ServiceDll = "C:\\Windows\\system32\\240636828.dll"	9eee88eb59ff0b7e6c24ec7e4b7529d1c7b44afd04e51f9df82afad3f9a31ebd.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3181990009-820930284-137514597-1000\Control Panel\International\Geo\Nation	9eee88eb59ff0b7e6c24ec7e4b7529d1c7b44afd04e51f9df82afad3f9a31ebd.exe

Executes dropped EXE 1 IoCs

pid	Process
3132	hjcdx.exe

Loads dropped DLL 3 IoCs

pid	Process
3508	9eee88eb59ff0b7e6c24ec7e4b7529d1c7b44afd04e51f9df82afad3f9a31ebd.exe
4384	svchost.exe
3132	hjcdx.exe

Creates a Windows Service
persistence

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240636828.dll	9eee88eb59ff0b7e6c24ec7e4b7529d1c7b44afd04e51f9df82afad3f9a31ebd.exe
File created	C:\Windows\SysWOW64\hjcdx.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\hjcdx.exe	svchost.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hjcdx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9eee88eb59ff0b7e6c24ec7e4b7529d1c7b44afd04e51f9df82afad3f9a31ebd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
3484	PING.EXE
1172	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3484	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3508	9eee88eb59ff0b7e6c24ec7e4b7529d1c7b44afd04e51f9df82afad3f9a31ebd.exe
3508	9eee88eb59ff0b7e6c24ec7e4b7529d1c7b44afd04e51f9df82afad3f9a31ebd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3508	9eee88eb59ff0b7e6c24ec7e4b7529d1c7b44afd04e51f9df82afad3f9a31ebd.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3508	9eee88eb59ff0b7e6c24ec7e4b7529d1c7b44afd04e51f9df82afad3f9a31ebd.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3508 wrote to memory of 1172	3508	9eee88eb59ff0b7e6c24ec7e4b7529d1c7b44afd04e51f9df82afad3f9a31ebd.exe	97
PID 3508 wrote to memory of 1172	3508	9eee88eb59ff0b7e6c24ec7e4b7529d1c7b44afd04e51f9df82afad3f9a31ebd.exe	97
PID 3508 wrote to memory of 1172	3508	9eee88eb59ff0b7e6c24ec7e4b7529d1c7b44afd04e51f9df82afad3f9a31ebd.exe	97
PID 1172 wrote to memory of 3484	1172	cmd.exe	99
PID 1172 wrote to memory of 3484	1172	cmd.exe	99
PID 1172 wrote to memory of 3484	1172	cmd.exe	99
PID 4384 wrote to memory of 3132	4384	svchost.exe	100
PID 4384 wrote to memory of 3132	4384	svchost.exe	100
PID 4384 wrote to memory of 3132	4384	svchost.exe	100

C:\Users\Admin\AppData\Local\Temp\9eee88eb59ff0b7e6c24ec7e4b7529d1c7b44afd04e51f9df82afad3f9a31ebd.exe
"C:\Users\Admin\AppData\Local\Temp\9eee88eb59ff0b7e6c24ec7e4b7529d1c7b44afd04e51f9df82afad3f9a31ebd.exe"
1⤵
- Server Software Component: Terminal Services DLL
- Checks computer location settings
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3508
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 -n 1 && del /f/q "C:\Users\Admin\AppData\Local\Temp\9eee88eb59ff0b7e6c24ec7e4b7529d1c7b44afd04e51f9df82afad3f9a31ebd.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1172
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 1
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:3484

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "hjcdx"
1⤵
PID:3404

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "hjcdx"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4384
- C:\Windows\SysWOW64\hjcdx.exe
  C:\Windows\system32\hjcdx.exe "c:\windows\system32\240636828.dll",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:3132

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Server Software Component

1

T1505

Terminal Services DLL

1

T1505.005

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\240636828.dll

Filesize
33KB

MD5
baa2706e9bd283bfc02f706158ec8e2f

SHA1
d5fbcbd1a5200dc57bfc219609e167262eb8b929

SHA256
569d7d313cc6af41d4f2c71aac3c3f98f79536da20dd616b140417ce7f8e417a

SHA512
7745c38af5fc2dac15a8b64d6d0fe997613a471279168cacd4ae3ce936c631062fb0faecec5cc1526dd59bbe81b7554aa93dc977d58c48447bc0b72ee183ef65

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit

Analysis

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