njrat | 99d42cefa02973d7a59be7b81a4349bbed6b369c947656dac8b5a70568803716

General

Target

99d42cefa02973d7a59be7b81a4349bbed6b369c947656dac8b5a70568803716.exe
Size

23KB
MD5

ed8aceb0e863e1f7029b605ec9f6374b
SHA1

c15fde6304a27c2f1f5c77467a864017947a7b24
SHA256

99d42cefa02973d7a59be7b81a4349bbed6b369c947656dac8b5a70568803716
SHA512

5506d77fc19963c250d3f2f45fe2a0ca1efdd301129b6b4e26b839f23eee9225b62378bf1b92c9dfb04fe679d7d7e1af1ee7450529888b4cb43249ec3a9bb701

Score

10^/10

njrat pubg mobile evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Pubg Mobile

C2

Owais5050-61656.portmap.io:56607

Mutex

6cd2713f4eecf0bba2b136a5ea65aac1

Attributes

reg_key
6cd2713f4eecf0bba2b136a5ea65aac1
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Executes dropped EXE 1 IoCs

Processes:

server.exe

pid process

572 server.exe
Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031

pid	process
572	server.exe

Drops startup file 2 IoCs

Processes:

server.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6cd2713f4eecf0bba2b136a5ea65aac1.exe	server.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6cd2713f4eecf0bba2b136a5ea65aac1.exe	server.exe

Loads dropped DLL 1 IoCs

Processes:

99d42cefa02973d7a59be7b81a4349bbed6b369c947656dac8b5a70568803716.exe

pid process

1660 99d42cefa02973d7a59be7b81a4349bbed6b369c947656dac8b5a70568803716.exe

pid	process
1660	99d42cefa02973d7a59be7b81a4349bbed6b369c947656dac8b5a70568803716.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

server.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\Run\6cd2713f4eecf0bba2b136a5ea65aac1 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\6cd2713f4eecf0bba2b136a5ea65aac1 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 29 IoCs

Processes:

server.exe

description	pid	process
Token: SeDebugPrivilege	572	server.exe
Token: 33	572	server.exe
Token: SeIncBasePriorityPrivilege	572	server.exe
Token: 33	572	server.exe
Token: SeIncBasePriorityPrivilege	572	server.exe
Token: 33	572	server.exe
Token: SeIncBasePriorityPrivilege	572	server.exe
Token: 33	572	server.exe
Token: SeIncBasePriorityPrivilege	572	server.exe
Token: 33	572	server.exe
Token: SeIncBasePriorityPrivilege	572	server.exe
Token: 33	572	server.exe
Token: SeIncBasePriorityPrivilege	572	server.exe
Token: 33	572	server.exe
Token: SeIncBasePriorityPrivilege	572	server.exe
Token: 33	572	server.exe
Token: SeIncBasePriorityPrivilege	572	server.exe
Token: 33	572	server.exe
Token: SeIncBasePriorityPrivilege	572	server.exe
Token: 33	572	server.exe
Token: SeIncBasePriorityPrivilege	572	server.exe
Token: 33	572	server.exe
Token: SeIncBasePriorityPrivilege	572	server.exe
Token: 33	572	server.exe
Token: SeIncBasePriorityPrivilege	572	server.exe
Token: 33	572	server.exe
Token: SeIncBasePriorityPrivilege	572	server.exe
Token: 33	572	server.exe
Token: SeIncBasePriorityPrivilege	572	server.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

99d42cefa02973d7a59be7b81a4349bbed6b369c947656dac8b5a70568803716.exeserver.exe

description	pid	process	target process
PID 1660 wrote to memory of 572	1660	99d42cefa02973d7a59be7b81a4349bbed6b369c947656dac8b5a70568803716.exe	server.exe
PID 1660 wrote to memory of 572	1660	99d42cefa02973d7a59be7b81a4349bbed6b369c947656dac8b5a70568803716.exe	server.exe
PID 1660 wrote to memory of 572	1660	99d42cefa02973d7a59be7b81a4349bbed6b369c947656dac8b5a70568803716.exe	server.exe
PID 1660 wrote to memory of 572	1660	99d42cefa02973d7a59be7b81a4349bbed6b369c947656dac8b5a70568803716.exe	server.exe
PID 572 wrote to memory of 1156	572	server.exe	netsh.exe
PID 572 wrote to memory of 1156	572	server.exe	netsh.exe
PID 572 wrote to memory of 1156	572	server.exe	netsh.exe
PID 572 wrote to memory of 1156	572	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\99d42cefa02973d7a59be7b81a4349bbed6b369c947656dac8b5a70568803716.exe
"C:\Users\Admin\AppData\Local\Temp\99d42cefa02973d7a59be7b81a4349bbed6b369c947656dac8b5a70568803716.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1660

C:\Users\Admin\AppData\Local\Temp\server.exe
"C:\Users\Admin\AppData\Local\Temp\server.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:572

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
3⤵
PID:1156

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\server.exe
MD5
ed8aceb0e863e1f7029b605ec9f6374b

SHA1
c15fde6304a27c2f1f5c77467a864017947a7b24

SHA256
99d42cefa02973d7a59be7b81a4349bbed6b369c947656dac8b5a70568803716

SHA512
5506d77fc19963c250d3f2f45fe2a0ca1efdd301129b6b4e26b839f23eee9225b62378bf1b92c9dfb04fe679d7d7e1af1ee7450529888b4cb43249ec3a9bb701

Download Submit
C:\Users\Admin\AppData\Local\Temp\server.exe
MD5
ed8aceb0e863e1f7029b605ec9f6374b

SHA1
c15fde6304a27c2f1f5c77467a864017947a7b24

SHA256
99d42cefa02973d7a59be7b81a4349bbed6b369c947656dac8b5a70568803716

SHA512
5506d77fc19963c250d3f2f45fe2a0ca1efdd301129b6b4e26b839f23eee9225b62378bf1b92c9dfb04fe679d7d7e1af1ee7450529888b4cb43249ec3a9bb701

Download Submit
\Users\Admin\AppData\Local\Temp\server.exe
MD5
ed8aceb0e863e1f7029b605ec9f6374b

SHA1
c15fde6304a27c2f1f5c77467a864017947a7b24

SHA256
99d42cefa02973d7a59be7b81a4349bbed6b369c947656dac8b5a70568803716

SHA512
5506d77fc19963c250d3f2f45fe2a0ca1efdd301129b6b4e26b839f23eee9225b62378bf1b92c9dfb04fe679d7d7e1af1ee7450529888b4cb43249ec3a9bb701

Download Submit
memory/572-60-0x00000000022D0000-0x00000000022D1000-memory.dmp

Filesize
4KB

Download
memory/1660-54-0x0000000000200000-0x0000000000240000-memory.dmp

Filesize
256KB

Download
memory/1660-55-0x0000000076141000-0x0000000076143000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads