runningrat | 96bed5fdefc903bc41e0ffbe328e8ed6cb4c3261dd711b3e3e7b56df45d90135

General

Target

96bed5fdefc903bc41e0ffbe328e8ed6cb4c3261dd711b3e3e7b56df45d90135.exe
Size

48KB
MD5

a2d7a570dc6b46bed057743394b59577
SHA1

4288fb43166954fc551b502585e481f629f89e91
SHA256

96bed5fdefc903bc41e0ffbe328e8ed6cb4c3261dd711b3e3e7b56df45d90135
SHA512

fee4d1bed29187e0298d4b19550827a313e1d1515f742fc8fe52b5dc82cf06bf3915b9e4a00c43d672f2e7b3b146fd1887737446ee9b3e11253967879ddc4898
SSDEEP

768:zynb12Aw5J6HC4kq5Jp9bjAzhyY55J+NStcEeUlyqgZl4p67RhPC:Ub1MsHz3JDwhyWr+N95OTga6S

Score

10^/10

runningrat discovery persistence rat

Malware Config

Signatures

RunningRat
RunningRat is a remote access trojan first seen in 2018.
rat 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\SySyeu\Parameters\ServiceDll = "C:\\Users\\Admin\\AppData\\Local\\Temp\\240615234.dll"	96bed5fdefc903bc41e0ffbe328e8ed6cb4c3261dd711b3e3e7b56df45d90135.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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	96bed5fdefc903bc41e0ffbe328e8ed6cb4c3261dd711b3e3e7b56df45d90135.exe

Executes dropped EXE 1 IoCs

pid	Process
1692	SySyeu.exe

Loads dropped DLL 3 IoCs

pid	Process
2352	96bed5fdefc903bc41e0ffbe328e8ed6cb4c3261dd711b3e3e7b56df45d90135.exe
2584	svchost.exe
1692	SySyeu.exe

Creates a Windows Service
persistence

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\SySyeu.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\SySyeu.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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SySyeu.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	96bed5fdefc903bc41e0ffbe328e8ed6cb4c3261dd711b3e3e7b56df45d90135.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
868	cmd.exe
1440	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1440	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2352	96bed5fdefc903bc41e0ffbe328e8ed6cb4c3261dd711b3e3e7b56df45d90135.exe
2352	96bed5fdefc903bc41e0ffbe328e8ed6cb4c3261dd711b3e3e7b56df45d90135.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2352	96bed5fdefc903bc41e0ffbe328e8ed6cb4c3261dd711b3e3e7b56df45d90135.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2352	96bed5fdefc903bc41e0ffbe328e8ed6cb4c3261dd711b3e3e7b56df45d90135.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2352 wrote to memory of 868	2352	96bed5fdefc903bc41e0ffbe328e8ed6cb4c3261dd711b3e3e7b56df45d90135.exe	87
PID 2352 wrote to memory of 868	2352	96bed5fdefc903bc41e0ffbe328e8ed6cb4c3261dd711b3e3e7b56df45d90135.exe	87
PID 2352 wrote to memory of 868	2352	96bed5fdefc903bc41e0ffbe328e8ed6cb4c3261dd711b3e3e7b56df45d90135.exe	87
PID 868 wrote to memory of 1440	868	cmd.exe	89
PID 868 wrote to memory of 1440	868	cmd.exe	89
PID 868 wrote to memory of 1440	868	cmd.exe	89
PID 2584 wrote to memory of 1692	2584	svchost.exe	94
PID 2584 wrote to memory of 1692	2584	svchost.exe	94
PID 2584 wrote to memory of 1692	2584	svchost.exe	94

C:\Users\Admin\AppData\Local\Temp\96bed5fdefc903bc41e0ffbe328e8ed6cb4c3261dd711b3e3e7b56df45d90135.exe
"C:\Users\Admin\AppData\Local\Temp\96bed5fdefc903bc41e0ffbe328e8ed6cb4c3261dd711b3e3e7b56df45d90135.exe"
1⤵
- Server Software Component: Terminal Services DLL
- Checks computer location settings
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2352
- 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\96bed5fdefc903bc41e0ffbe328e8ed6cb4c3261dd711b3e3e7b56df45d90135.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:868
- - 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:1440

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "SySyeu"
1⤵
PID:1364

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "SySyeu"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2584
- C:\Windows\SysWOW64\SySyeu.exe
  C:\Windows\system32\SySyeu.exe "c:\users\admin\appdata\local\temp\240615234.dll",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:1692

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:\Users\Admin\AppData\Local\Temp\240615234.dll

Filesize
25KB

MD5
db598538e7a70b73298f6424ae507e02

SHA1
d06a04fb9ca1bb8da5974870196ae5c0eadc1fa9

SHA256
cc4ab82995b0c0c827e99870948ef6a1371d4d1ed6d167a087c0d5c123d0f15e

SHA512
ebedb94e2ba77836317596557fb447e6abc78fecfafce8de900d70202994fe829459665e0dec8813c51039b64a12d08258bc6074324b729994b61e8467f5e3fa

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit

Analysis

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