runningrat | 7d693069636a46d7d430ced104854e7a19da09fc0b1e9c43e6ac55ab52bd8eea

Analysis

max time kernel
147s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
01-03-2024 20:33

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General

Target

tmp.exe
Size

48KB
MD5

d65c7a3cb25eb79571854b5fab17be35
SHA1

6c980e0357dea99771704f3f122d369d90fefd5f
SHA256

7d693069636a46d7d430ced104854e7a19da09fc0b1e9c43e6ac55ab52bd8eea
SHA512

bcd1a7598f1740e3838592c4a853e04caa78709a98454be0f8ab7cc2a4973c12e639192f676504ee97c7cbc6e34278011d998656ac8f81dccfc56e7455eb7678
SSDEEP

768:zynb12Aw5J6HC4kq5Jp9bjAzhyY55J+NStcEeUlyqgZl4p67VhPC:Ub1MsHz3JDwhyWr+N95OTga6u

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\SICK\Parameters\ServiceDll = "C:\\Windows\\system32\\240607906.dll"	tmp.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-1-5-21-513485977-2495024337-1260977654-1000\Control Panel\International\Geo\Nation	tmp.exe

Executes dropped EXE 1 IoCs

pid	Process
2428	SICK.exe

Loads dropped DLL 3 IoCs

pid	Process
4728	tmp.exe
4564	svchost.exe
2428	SICK.exe

Creates a Windows Service
persistence

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240607906.dll	tmp.exe
File created	C:\Windows\SysWOW64\SICK.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\SICK.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
2444	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4728	tmp.exe
4728	tmp.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4728	tmp.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4728	tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4728 wrote to memory of 2276	4728	tmp.exe	89
PID 4728 wrote to memory of 2276	4728	tmp.exe	89
PID 4728 wrote to memory of 2276	4728	tmp.exe	89
PID 2276 wrote to memory of 2444	2276	cmd.exe	92
PID 2276 wrote to memory of 2444	2276	cmd.exe	92
PID 2276 wrote to memory of 2444	2276	cmd.exe	92
PID 4564 wrote to memory of 2428	4564	svchost.exe	96
PID 4564 wrote to memory of 2428	4564	svchost.exe	96
PID 4564 wrote to memory of 2428	4564	svchost.exe	96

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Sets DLL path for service in the registry
- Checks computer location settings
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4728
- 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\tmp.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2276
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 1
    3⤵
    - Runs ping.exe
    PID:2444

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "SICK"
1⤵
PID:1620

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "SICK"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4564
- C:\Windows\SysWOW64\SICK.exe
  C:\Windows\system32\SICK.exe "c:\windows\system32\240607906.dll",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2428

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

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Downloads

C:\Windows\SysWOW64\240607906.dll

Filesize
25KB

MD5
aa4ed83fc3f6255e1617fe39541fb1f4

SHA1
945c3ae4cb8eca8d2410a7e0cd4e30f27d76c1fb

SHA256
8060755c7df499ccce82afa6adc0086c38540a01d2fb0b72b2488edcbe24e984

SHA512
dcf5b167eda97c1a20397742851e676c0272354879d80646e8c0d4e9c5042b678bb44edd2e42825afc328becd31b75695c6adbca31e7c5c941e8923965ab30c2

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C:\Windows\SysWOW64\SICK.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit