runningrat | b6e1c130d2b9f81e9457197727bb12e29093f29bf80408c2351bbad8cf821d4f | Triage

Analysis

max time kernel
46s
max time network
37s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
11-06-2024 19:50

Sharing

Report Analysis Logs

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

Registry Run Keys / Startup Folder

Modify Registry

Processes:

999999.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Simullatis\Parameters\ServiceDll = "C:\\Users\\Admin\\AppData\\Local\\Temp\\259396746.dll"	999999.exe

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

2540 cmd.exe
Executes dropped EXE 1 IoCs

Processes:

Simullatis.exe

pid process

2600 Simullatis.exe
Loads dropped DLL 7 IoCs

Processes:

999999.exesvchost.exeSimullatis.exe

pid process

2236 999999.exe
2160 svchost.exe
2160 svchost.exe
2600 Simullatis.exe
2600 Simullatis.exe
2600 Simullatis.exe
2600 Simullatis.exe
Creates a Windows Service
persistence

Drops file in System32 directory 2 IoCs

Processes:

svchost.exe

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

Processes:

PING.EXE

pid process

1580 PING.EXE
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

999999.exe

pid process

2236 999999.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

999999.exe

description pid process

Token: SeIncBasePriorityPrivilege 2236 999999.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

999999.exe

pid process

2236 999999.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

999999.execmd.exesvchost.exe

description	pid	process	target process
PID 2236 wrote to memory of 2540	2236	999999.exe	cmd.exe
PID 2236 wrote to memory of 2540	2236	999999.exe	cmd.exe
PID 2236 wrote to memory of 2540	2236	999999.exe	cmd.exe
PID 2236 wrote to memory of 2540	2236	999999.exe	cmd.exe
PID 2540 wrote to memory of 1580	2540	cmd.exe	PING.EXE
PID 2540 wrote to memory of 1580	2540	cmd.exe	PING.EXE
PID 2540 wrote to memory of 1580	2540	cmd.exe	PING.EXE
PID 2540 wrote to memory of 1580	2540	cmd.exe	PING.EXE
PID 2160 wrote to memory of 2600	2160	svchost.exe	Simullatis.exe
PID 2160 wrote to memory of 2600	2160	svchost.exe	Simullatis.exe
PID 2160 wrote to memory of 2600	2160	svchost.exe	Simullatis.exe
PID 2160 wrote to memory of 2600	2160	svchost.exe	Simullatis.exe

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:2236
- 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⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:2540
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 1
    3⤵
    - Runs ping.exe
    PID:1580

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Simullatis"
1⤵
PID:2216

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:2160
- C:\Windows\SysWOW64\Simullatis.exe
  C:\Windows\system32\Simullatis.exe "c:\users\admin\appdata\local\temp\259396746.dll",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2600

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Privilege Escalation

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Defense Evasion

Modify Registry

Credential Access

Discovery

Remote System Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\259396746.dll

Filesize
25KB

MD5
da3dd69dae8627334a8479f60eeb082e

SHA1
35c550902e5c0e6297785c367c2d638dda23404e

SHA256
03bc8caca1bab6d14d7eac1dde331df3be91aec47c51c7ddf6646deab028d17e

SHA512
b09e6175513d2e75119a67741f6d694722be511b317bd30efed30b4961dc945a97ce6baccc1282a412adaea31d60679183d3a15e7564c04c5dcad712650c5d3c

Download Submit
\Windows\SysWOW64\Simullatis.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit