runningrat | b6e1c130d2b9f81e9457197727bb12e29093f29bf80408c2351bbad8cf821d4f

Analysis

max time kernel
33s
max time network
44s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
11-06-2024 19:50

Sharing

Copy URL

Twitter E-mail

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

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

999999.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Simullatis\Parameters\ServiceDll = "C:\\Users\\Admin\\AppData\\Local\\Temp\\240593859.dll"	999999.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

Processes:

999999.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation 999999.exe
Executes dropped EXE 1 IoCs

Processes:

Simullatis.exe

pid process

916 Simullatis.exe
Loads dropped DLL 3 IoCs

Processes:

999999.exesvchost.exeSimullatis.exe

pid process

2216 999999.exe
4408 svchost.exe
916 Simullatis.exe
Creates a Windows Service
persistence

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation	999999.exe

pid	process
916	Simullatis.exe

pid	process
2216	999999.exe
4408	svchost.exe
916	Simullatis.exe

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

2632 PING.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

999999.exe

pid process

2216 999999.exe
2216 999999.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

999999.exe

description pid process

Token: SeIncBasePriorityPrivilege 2216 999999.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

999999.exe

pid process

2216 999999.exe

pid	process
2632	PING.EXE

pid	process
2216	999999.exe
2216	999999.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2216	999999.exe

pid	process
2216	999999.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

999999.execmd.exesvchost.exe

description	pid	process	target process
PID 2216 wrote to memory of 4472	2216	999999.exe	cmd.exe
PID 2216 wrote to memory of 4472	2216	999999.exe	cmd.exe
PID 2216 wrote to memory of 4472	2216	999999.exe	cmd.exe
PID 4472 wrote to memory of 2632	4472	cmd.exe	PING.EXE
PID 4472 wrote to memory of 2632	4472	cmd.exe	PING.EXE
PID 4472 wrote to memory of 2632	4472	cmd.exe	PING.EXE
PID 4408 wrote to memory of 916	4408	svchost.exe	Simullatis.exe
PID 4408 wrote to memory of 916	4408	svchost.exe	Simullatis.exe
PID 4408 wrote to memory of 916	4408	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
- Checks computer location settings
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2216
- 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:4472
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 1
    3⤵
    - Runs ping.exe
    PID:2632

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Simullatis"
1⤵
PID:4308

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:4408
- C:\Windows\SysWOW64\Simullatis.exe
  C:\Windows\system32\Simullatis.exe "c:\users\admin\appdata\local\temp\240593859.dll",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:916

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

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\240593859.dll

Filesize
25KB

MD5
da3dd69dae8627334a8479f60eeb082e

SHA1
35c550902e5c0e6297785c367c2d638dda23404e

SHA256
03bc8caca1bab6d14d7eac1dde331df3be91aec47c51c7ddf6646deab028d17e

SHA512
b09e6175513d2e75119a67741f6d694722be511b317bd30efed30b4961dc945a97ce6baccc1282a412adaea31d60679183d3a15e7564c04c5dcad712650c5d3c

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit