runningrat | 331a562953f7da86fb6fc344a1c27c49051105177f8ff8661058d801d8f12802

Analysis

max time kernel
142s
max time network
151s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-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\\259416574.dll"	999999.exe

Deletes itself 1 IoCs

pid	Process
2720	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2600	Simullatis.exe

Loads dropped DLL 7 IoCs

pid	Process
2072	999999.exe
2784	svchost.exe
2784	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

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
2756	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2072	999999.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2072	999999.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2072	999999.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 2720	2072	999999.exe	30
PID 2072 wrote to memory of 2720	2072	999999.exe	30
PID 2072 wrote to memory of 2720	2072	999999.exe	30
PID 2072 wrote to memory of 2720	2072	999999.exe	30
PID 2720 wrote to memory of 2756	2720	cmd.exe	32
PID 2720 wrote to memory of 2756	2720	cmd.exe	32
PID 2720 wrote to memory of 2756	2720	cmd.exe	32
PID 2720 wrote to memory of 2756	2720	cmd.exe	32
PID 2784 wrote to memory of 2600	2784	svchost.exe	33
PID 2784 wrote to memory of 2600	2784	svchost.exe	33
PID 2784 wrote to memory of 2600	2784	svchost.exe	33
PID 2784 wrote to memory of 2600	2784	svchost.exe	33

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:2072
- 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:2720
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 1
    3⤵
    - Runs ping.exe
    PID:2756

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Simullatis"
1⤵
PID:1184

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:2784
- C:\Windows\SysWOW64\Simullatis.exe
  C:\Windows\system32\Simullatis.exe "c:\users\admin\appdata\local\temp\259416574.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

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

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Downloads

\Users\Admin\AppData\Local\Temp\259416574.dll

Filesize
25KB

MD5
da3dd69dae8627334a8479f60eeb082e

SHA1
35c550902e5c0e6297785c367c2d638dda23404e

SHA256
03bc8caca1bab6d14d7eac1dde331df3be91aec47c51c7ddf6646deab028d17e

SHA512
b09e6175513d2e75119a67741f6d694722be511b317bd30efed30b4961dc945a97ce6baccc1282a412adaea31d60679183d3a15e7564c04c5dcad712650c5d3c

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\Windows\SysWOW64\Simullatis.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

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