njrat | b121d11b8840fb82738931504c41a7f2e1b974db700da789935e501f9a98ee6e

General

Target

c0fa702e1cbff2ad41c2a6ee4b87f900N.exe
Size

23KB
MD5

c0fa702e1cbff2ad41c2a6ee4b87f900
SHA1

e240817c4e05a6d049bb74fdaef590f3b4562627
SHA256

b121d11b8840fb82738931504c41a7f2e1b974db700da789935e501f9a98ee6e
SHA512

72421d219c1cff45a7c653fb4a74bc105afff020d188c8a08989c3bc0a25bcb51c71be872aa4b0a7b3856592e3bdacfc4e0de02e5bc27f07afd1877f106dd3be
SSDEEP

384:/oWtkEwn65rgjAsGipk55D16xgXakhbZD0mRvR6JZlbw8hqIusZzZIK:Y7O89p2rRpcnuk

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation 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

pid	Process
2552	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
1856	server.exe

Loads dropped DLL 1 IoCs

pid	Process
2980	c0fa702e1cbff2ad41c2a6ee4b87f900N.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\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

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c0fa702e1cbff2ad41c2a6ee4b87f900N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	1856	server.exe
Token: 33	1856	server.exe
Token: SeIncBasePriorityPrivilege	1856	server.exe
Token: 33	1856	server.exe
Token: SeIncBasePriorityPrivilege	1856	server.exe
Token: 33	1856	server.exe
Token: SeIncBasePriorityPrivilege	1856	server.exe
Token: 33	1856	server.exe
Token: SeIncBasePriorityPrivilege	1856	server.exe
Token: 33	1856	server.exe
Token: SeIncBasePriorityPrivilege	1856	server.exe
Token: 33	1856	server.exe
Token: SeIncBasePriorityPrivilege	1856	server.exe
Token: 33	1856	server.exe
Token: SeIncBasePriorityPrivilege	1856	server.exe
Token: 33	1856	server.exe
Token: SeIncBasePriorityPrivilege	1856	server.exe
Token: 33	1856	server.exe
Token: SeIncBasePriorityPrivilege	1856	server.exe
Token: 33	1856	server.exe
Token: SeIncBasePriorityPrivilege	1856	server.exe
Token: 33	1856	server.exe
Token: SeIncBasePriorityPrivilege	1856	server.exe
Token: 33	1856	server.exe
Token: SeIncBasePriorityPrivilege	1856	server.exe
Token: 33	1856	server.exe
Token: SeIncBasePriorityPrivilege	1856	server.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2980 wrote to memory of 1856	2980	c0fa702e1cbff2ad41c2a6ee4b87f900N.exe	31
PID 2980 wrote to memory of 1856	2980	c0fa702e1cbff2ad41c2a6ee4b87f900N.exe	31
PID 2980 wrote to memory of 1856	2980	c0fa702e1cbff2ad41c2a6ee4b87f900N.exe	31
PID 2980 wrote to memory of 1856	2980	c0fa702e1cbff2ad41c2a6ee4b87f900N.exe	31
PID 1856 wrote to memory of 2552	1856	server.exe	32
PID 1856 wrote to memory of 2552	1856	server.exe	32
PID 1856 wrote to memory of 2552	1856	server.exe	32
PID 1856 wrote to memory of 2552	1856	server.exe	32

C:\Users\Admin\AppData\Local\Temp\c0fa702e1cbff2ad41c2a6ee4b87f900N.exe
"C:\Users\Admin\AppData\Local\Temp\c0fa702e1cbff2ad41c2a6ee4b87f900N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2980
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1856
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2552

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

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

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\server.exe

Filesize
23KB

MD5
c0fa702e1cbff2ad41c2a6ee4b87f900

SHA1
e240817c4e05a6d049bb74fdaef590f3b4562627

SHA256
b121d11b8840fb82738931504c41a7f2e1b974db700da789935e501f9a98ee6e

SHA512
72421d219c1cff45a7c653fb4a74bc105afff020d188c8a08989c3bc0a25bcb51c71be872aa4b0a7b3856592e3bdacfc4e0de02e5bc27f07afd1877f106dd3be

Download Submit
memory/1856-13-0x0000000073FE0000-0x000000007458B000-memory.dmp

Filesize
5.7MB

Download
memory/1856-12-0x0000000073FE0000-0x000000007458B000-memory.dmp

Filesize
5.7MB

Download
memory/1856-11-0x0000000073FE0000-0x000000007458B000-memory.dmp

Filesize
5.7MB

Download
memory/1856-14-0x0000000073FE0000-0x000000007458B000-memory.dmp

Filesize
5.7MB

Download
memory/2980-0-0x0000000073FE1000-0x0000000073FE2000-memory.dmp

Filesize
4KB

Download
memory/2980-1-0x0000000073FE0000-0x000000007458B000-memory.dmp

Filesize
5.7MB

Download
memory/2980-2-0x0000000073FE0000-0x000000007458B000-memory.dmp

Filesize
5.7MB

Download
memory/2980-10-0x0000000073FE0000-0x000000007458B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads