njrat | c4838ccd56d3476320070352b7554d227926abb59f7bd6221a1fbe527d6210c5

General

Target

c4838ccd56d3476320070352b7554d227926abb59f7bd6221a1fbe527d6210c5.exe
Size

23KB
MD5

d9a0d6aeb87e51ec47d64c4636f0342b
SHA1

530672ae76103f385cfe5caf3b9737c6bc61d9b1
SHA256

c4838ccd56d3476320070352b7554d227926abb59f7bd6221a1fbe527d6210c5
SHA512

3ca53db6233ec0c3d31924bb5067dc907fb7fa2a1b66858281ab4baec8889822c2ff8f22f51ff6d3efd67842c8992d9f2ba64e76629272d361b354dd50937655
SSDEEP

384:noWtkEwn65rgjAsGipk55D16xgXakhbZD0mRvR6JZlbw8hqIusZzZIF:A7O89p2rRpcnuz

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

10.10.1.11:5552

Mutex

7657c14284185fbd3fb108b43c7467ba

Attributes

reg_key
7657c14284185fbd3fb108b43c7467ba
splitter
|'|'|

Signatures

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

3056 netsh.exe
Executes dropped EXE 1 IoCs

Processes:

server.exe

pid process

2440 server.exe
Loads dropped DLL 1 IoCs

Processes:

c4838ccd56d3476320070352b7554d227926abb59f7bd6221a1fbe527d6210c5.exe

pid process

1740 c4838ccd56d3476320070352b7554d227926abb59f7bd6221a1fbe527d6210c5.exe

pid	process
3056	netsh.exe

pid	process
2440	server.exe

pid	process
1740	c4838ccd56d3476320070352b7554d227926abb59f7bd6221a1fbe527d6210c5.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

server.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\7657c14284185fbd3fb108b43c7467ba = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\7657c14284185fbd3fb108b43c7467ba = "\"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).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 35 IoCs

Processes:

server.exe

description	pid	process
Token: SeDebugPrivilege	2440	server.exe
Token: 33	2440	server.exe
Token: SeIncBasePriorityPrivilege	2440	server.exe
Token: 33	2440	server.exe
Token: SeIncBasePriorityPrivilege	2440	server.exe
Token: 33	2440	server.exe
Token: SeIncBasePriorityPrivilege	2440	server.exe
Token: 33	2440	server.exe
Token: SeIncBasePriorityPrivilege	2440	server.exe
Token: 33	2440	server.exe
Token: SeIncBasePriorityPrivilege	2440	server.exe
Token: 33	2440	server.exe
Token: SeIncBasePriorityPrivilege	2440	server.exe
Token: 33	2440	server.exe
Token: SeIncBasePriorityPrivilege	2440	server.exe
Token: 33	2440	server.exe
Token: SeIncBasePriorityPrivilege	2440	server.exe
Token: 33	2440	server.exe
Token: SeIncBasePriorityPrivilege	2440	server.exe
Token: 33	2440	server.exe
Token: SeIncBasePriorityPrivilege	2440	server.exe
Token: 33	2440	server.exe
Token: SeIncBasePriorityPrivilege	2440	server.exe
Token: 33	2440	server.exe
Token: SeIncBasePriorityPrivilege	2440	server.exe
Token: 33	2440	server.exe
Token: SeIncBasePriorityPrivilege	2440	server.exe
Token: 33	2440	server.exe
Token: SeIncBasePriorityPrivilege	2440	server.exe
Token: 33	2440	server.exe
Token: SeIncBasePriorityPrivilege	2440	server.exe
Token: 33	2440	server.exe
Token: SeIncBasePriorityPrivilege	2440	server.exe
Token: 33	2440	server.exe
Token: SeIncBasePriorityPrivilege	2440	server.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

c4838ccd56d3476320070352b7554d227926abb59f7bd6221a1fbe527d6210c5.exeserver.exe

description	pid	process	target process
PID 1740 wrote to memory of 2440	1740	c4838ccd56d3476320070352b7554d227926abb59f7bd6221a1fbe527d6210c5.exe	server.exe
PID 1740 wrote to memory of 2440	1740	c4838ccd56d3476320070352b7554d227926abb59f7bd6221a1fbe527d6210c5.exe	server.exe
PID 1740 wrote to memory of 2440	1740	c4838ccd56d3476320070352b7554d227926abb59f7bd6221a1fbe527d6210c5.exe	server.exe
PID 1740 wrote to memory of 2440	1740	c4838ccd56d3476320070352b7554d227926abb59f7bd6221a1fbe527d6210c5.exe	server.exe
PID 2440 wrote to memory of 3056	2440	server.exe	netsh.exe
PID 2440 wrote to memory of 3056	2440	server.exe	netsh.exe
PID 2440 wrote to memory of 3056	2440	server.exe	netsh.exe
PID 2440 wrote to memory of 3056	2440	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\c4838ccd56d3476320070352b7554d227926abb59f7bd6221a1fbe527d6210c5.exe
"C:\Users\Admin\AppData\Local\Temp\c4838ccd56d3476320070352b7554d227926abb59f7bd6221a1fbe527d6210c5.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1740

C:\Users\Admin\AppData\Local\Temp\server.exe
"C:\Users\Admin\AppData\Local\Temp\server.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2440

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:3056

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

\Users\Admin\AppData\Local\Temp\server.exe
Filesize
23KB

MD5
d9a0d6aeb87e51ec47d64c4636f0342b

SHA1
530672ae76103f385cfe5caf3b9737c6bc61d9b1

SHA256
c4838ccd56d3476320070352b7554d227926abb59f7bd6221a1fbe527d6210c5

SHA512
3ca53db6233ec0c3d31924bb5067dc907fb7fa2a1b66858281ab4baec8889822c2ff8f22f51ff6d3efd67842c8992d9f2ba64e76629272d361b354dd50937655

Download Submit
memory/1740-1-0x00000000004E0000-0x0000000000520000-memory.dmp

Filesize
256KB

Download
memory/1740-0-0x00000000742C0000-0x000000007486B000-memory.dmp

Filesize
5.7MB

Download
memory/1740-2-0x00000000742C0000-0x000000007486B000-memory.dmp

Filesize
5.7MB

Download
memory/1740-11-0x00000000742C0000-0x000000007486B000-memory.dmp

Filesize
5.7MB

Download
memory/2440-12-0x0000000002230000-0x0000000002270000-memory.dmp

Filesize
256KB

Download
memory/2440-10-0x00000000742C0000-0x000000007486B000-memory.dmp

Filesize
5.7MB

Download
memory/2440-13-0x00000000742C0000-0x000000007486B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads