njrat | 40c4138d29d4248af3d6489ec3d01b999c1efce936443937c6801abd1a9ad166

General

Target

LOLPro/LOL PRO 5.2.exe
Size

966KB
MD5

f6ef181ef99d83e9abd6e4a31066779c
SHA1

910734741be798fa7028e56589eaa63f650fbea7
SHA256

d5f9071bdf3777ec1c2156ef56e2404ffa107bea1ee1abdfcf324437f27a205c
SHA512

aef121cd8e9d0d5292c9a0952b2b4fda4c5d8d8208eee1ab854d4fff167bb29d7e98afa49109ab8d56d4dacd1d4058c414784337d90cbeae938ee49df1f69c53
SSDEEP

24576:54lavt0LkLL9IMixoEgeadFMdWxIq9MmCS:Ikwkn9IMHead+daPCS

Score

10^/10

njrat spreadbykayxs evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

SpreadByKayxs

C2

paravant.no-ip.org:6600

Mutex

903b5e476b60431f6f04947fbe52bcc3

Attributes

reg_key
903b5e476b60431f6f04947fbe52bcc3
splitter
|'|'|

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Processes:

LOL PRO 5.2.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	LOL PRO 5.2.exe

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Modifies Windows Firewall 2 TTPs 1 IoCs
evasion

Windows Service
T1543.003

Disable or Modify System Firewall
T1562.004

Processes:

netsh.exe

pid process

2032 netsh.exe

pid	process
2032	netsh.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

LOL PRO 5.2.exe

description	ioc	process
Key deleted	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN	LOL PRO 5.2.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN	LOL PRO 5.2.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

LOL PRO 5.2.exe

description pid process target process

PID 4604 set thread context of 3916 4604 LOL PRO 5.2.exe cvtres.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

1572 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

LOL PRO 5.2.exe

pid process

4604 LOL PRO 5.2.exe
4604 LOL PRO 5.2.exe

description	pid	process	target process
PID 4604 set thread context of 3916	4604	LOL PRO 5.2.exe	cvtres.exe

pid	process
1572	schtasks.exe

pid	process
4604	LOL PRO 5.2.exe
4604	LOL PRO 5.2.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

Processes:

cvtres.exe

description	pid	process
Token: SeDebugPrivilege	3916	cvtres.exe
Token: 33	3916	cvtres.exe
Token: SeIncBasePriorityPrivilege	3916	cvtres.exe
Token: 33	3916	cvtres.exe
Token: SeIncBasePriorityPrivilege	3916	cvtres.exe
Token: 33	3916	cvtres.exe
Token: SeIncBasePriorityPrivilege	3916	cvtres.exe
Token: 33	3916	cvtres.exe
Token: SeIncBasePriorityPrivilege	3916	cvtres.exe
Token: 33	3916	cvtres.exe
Token: SeIncBasePriorityPrivilege	3916	cvtres.exe
Token: 33	3916	cvtres.exe
Token: SeIncBasePriorityPrivilege	3916	cvtres.exe
Token: 33	3916	cvtres.exe
Token: SeIncBasePriorityPrivilege	3916	cvtres.exe
Token: 33	3916	cvtres.exe
Token: SeIncBasePriorityPrivilege	3916	cvtres.exe
Token: 33	3916	cvtres.exe
Token: SeIncBasePriorityPrivilege	3916	cvtres.exe
Token: 33	3916	cvtres.exe
Token: SeIncBasePriorityPrivilege	3916	cvtres.exe
Token: 33	3916	cvtres.exe
Token: SeIncBasePriorityPrivilege	3916	cvtres.exe
Token: 33	3916	cvtres.exe
Token: SeIncBasePriorityPrivilege	3916	cvtres.exe
Token: 33	3916	cvtres.exe
Token: SeIncBasePriorityPrivilege	3916	cvtres.exe
Token: 33	3916	cvtres.exe
Token: SeIncBasePriorityPrivilege	3916	cvtres.exe
Token: 33	3916	cvtres.exe
Token: SeIncBasePriorityPrivilege	3916	cvtres.exe
Token: 33	3916	cvtres.exe
Token: SeIncBasePriorityPrivilege	3916	cvtres.exe
Token: 33	3916	cvtres.exe
Token: SeIncBasePriorityPrivilege	3916	cvtres.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

LOL PRO 5.2.execmd.execvtres.exe

description	pid	process	target process
PID 4604 wrote to memory of 3916	4604	LOL PRO 5.2.exe	cvtres.exe
PID 4604 wrote to memory of 3916	4604	LOL PRO 5.2.exe	cvtres.exe
PID 4604 wrote to memory of 3916	4604	LOL PRO 5.2.exe	cvtres.exe
PID 4604 wrote to memory of 3916	4604	LOL PRO 5.2.exe	cvtres.exe
PID 4604 wrote to memory of 3916	4604	LOL PRO 5.2.exe	cvtres.exe
PID 4604 wrote to memory of 4788	4604	LOL PRO 5.2.exe	cmd.exe
PID 4604 wrote to memory of 4788	4604	LOL PRO 5.2.exe	cmd.exe
PID 4604 wrote to memory of 4788	4604	LOL PRO 5.2.exe	cmd.exe
PID 4788 wrote to memory of 1572	4788	cmd.exe	schtasks.exe
PID 4788 wrote to memory of 1572	4788	cmd.exe	schtasks.exe
PID 4788 wrote to memory of 1572	4788	cmd.exe	schtasks.exe
PID 3916 wrote to memory of 2032	3916	cvtres.exe	netsh.exe
PID 3916 wrote to memory of 2032	3916	cvtres.exe	netsh.exe
PID 3916 wrote to memory of 2032	3916	cvtres.exe	netsh.exe

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

Processes:

LOL PRO 5.2.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer	LOL PRO 5.2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoFolderOptions = "1"	LOL PRO 5.2.exe

C:\Users\Admin\AppData\Local\Temp\LOLPro\LOL PRO 5.2.exe
"C:\Users\Admin\AppData\Local\Temp\LOLPro\LOL PRO 5.2.exe"
1⤵
- Modifies visiblity of hidden/system files in Explorer
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- System policy modification
PID:4604

C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3916

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" "cvtres.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:2032

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c SCHTASKS /Create /SC MINUTE /MO 30 /TN IgfxTray Module /TR C:\Users\Admin\AppData\Roaming\IgfxTray.exe /RU SYSTEM /F /RL HIGHEST
2⤵
- Suspicious use of WriteProcessMemory
PID:4788

C:\Windows\SysWOW64\schtasks.exe
SCHTASKS /Create /SC MINUTE /MO 30 /TN IgfxTray Module /TR C:\Users\Admin\AppData\Roaming\IgfxTray.exe /RU SYSTEM /F /RL HIGHEST
3⤵
- Creates scheduled task(s)
PID:1572

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

Scheduled Task/Job

Defense Evasion

Hide Artifacts

1

T1564

Hidden Files and Directories

1

T1564.001

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3916-1-0x00000000001E0000-0x00000000001EC000-memory.dmp

Filesize
48KB

Download
memory/3916-2-0x000000007316E000-0x000000007316F000-memory.dmp

Filesize
4KB

Download
memory/3916-3-0x0000000004A60000-0x0000000004AFC000-memory.dmp

Filesize
624KB

Download
memory/3916-4-0x00000000050B0000-0x0000000005654000-memory.dmp

Filesize
5.6MB

Download
memory/3916-7-0x0000000004C20000-0x0000000004CB2000-memory.dmp

Filesize
584KB

Download
memory/3916-8-0x0000000073160000-0x0000000073910000-memory.dmp

Filesize
7.7MB

Download
memory/3916-9-0x0000000004BF0000-0x0000000004BFA000-memory.dmp

Filesize
40KB

Download
memory/3916-10-0x0000000073160000-0x0000000073910000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads