runningrat | 331a562953f7da86fb6fc344a1c27c49051105177f8ff8661058d801d8f12802

Analysis

max time kernel
139s
max time network
156s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
16/06/2024, 02:37

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General

Target

999999.exe
Size

48KB
MD5

2b6bdd0a18e76a5df3a867a49f951125
SHA1

f0286405e8c8efb11ad4d30b29f32268ea747c09
SHA256

b6e1c130d2b9f81e9457197727bb12e29093f29bf80408c2351bbad8cf821d4f
SHA512

ef06c218ad5daf8437fda94c991a4ba86e3bdfd7ef55b64d8fdbe4657bb7acf512c42e7158cce17943a3aa437f96d294dae6eeb908d1f8acacdc4ddb25f27915
SSDEEP

768:zynb12Aw5J6HC4kq5Jp9bjAzhyY55J+NStcEeUlyqgZl4p67ahPC:Ub1MsHz3JDwhyWr+N95OTga6Z

Score

10^/10

runningrat persistence rat

Malware Config

Signatures

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

Sets DLL path for service in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Simullatis\Parameters\ServiceDll = "C:\\Users\\Admin\\AppData\\Local\\Temp\\240599562.dll"	999999.exe

Executes dropped EXE 1 IoCs

pid	Process
4284	Simullatis.exe

Loads dropped DLL 3 IoCs

pid	Process
3384	999999.exe
3704	svchost.exe
4284	Simullatis.exe

Creates a Windows Service
persistence

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Simullatis.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\Simullatis.exe	svchost.exe

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

System Information Discovery
T1082

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4364	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3384	999999.exe
3384	999999.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3384	999999.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3384	999999.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3384 wrote to memory of 2824	3384	999999.exe	78
PID 3384 wrote to memory of 2824	3384	999999.exe	78
PID 3384 wrote to memory of 2824	3384	999999.exe	78
PID 2824 wrote to memory of 4364	2824	cmd.exe	80
PID 2824 wrote to memory of 4364	2824	cmd.exe	80
PID 2824 wrote to memory of 4364	2824	cmd.exe	80
PID 3704 wrote to memory of 4284	3704	svchost.exe	81
PID 3704 wrote to memory of 4284	3704	svchost.exe	81
PID 3704 wrote to memory of 4284	3704	svchost.exe	81

C:\Users\Admin\AppData\Local\Temp\999999.exe
"C:\Users\Admin\AppData\Local\Temp\999999.exe"
1⤵
- Sets DLL path for service in the registry
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3384
- 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\999999.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2824
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 1
    3⤵
    - Runs ping.exe
    PID:4364

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Simullatis"
1⤵
PID:4064

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Simullatis"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3704
- C:\Windows\SysWOW64\Simullatis.exe
  C:\Windows\system32\Simullatis.exe "c:\users\admin\appdata\local\temp\240599562.dll",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:4284

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\240599562.dll

Filesize
25KB

MD5
da3dd69dae8627334a8479f60eeb082e

SHA1
35c550902e5c0e6297785c367c2d638dda23404e

SHA256
03bc8caca1bab6d14d7eac1dde331df3be91aec47c51c7ddf6646deab028d17e

SHA512
b09e6175513d2e75119a67741f6d694722be511b317bd30efed30b4961dc945a97ce6baccc1282a412adaea31d60679183d3a15e7564c04c5dcad712650c5d3c

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

Filesize
40KB

MD5
22bb5bd901d8b25ac5b41edbb7d5053e

SHA1
8a935dd8d7e104fc553ff7e8b54a404f7b079334

SHA256
8dcaeeebef9b9f3d41d295db145ffb3850f309d089c08125c7fa7034db5fd80e

SHA512
cc3fb68fd6791a08e4a7d1a8db8d07cfcc8c9b9dceec10b53f0cb7ee86473303a19be4f23e379f84c59e02d0568e7c066e21cd1300f6032dac4ba52f609f62e7

Download Submit