njrat | e2e53f578f8c9010f6143c77853f1f56891ca7b24054229a505ef2023f17b3ca

General

Target

e2e53f578f8c9010f6143c77853f1f56891ca7b24054229a505ef2023f17b3caN.exe
Size

23KB
MD5

f7ec84243a7953d564c41befb8ba38f0
SHA1

0bf331de5438d673ecc74ce6ad69d71925d99cc9
SHA256

e2e53f578f8c9010f6143c77853f1f56891ca7b24054229a505ef2023f17b3ca
SHA512

3e36a6bd70c6b4d134c7022e50a0137b0a54b0a098f42e584af97bf9fe204523f2bf255e6592fcfcc392009b5ad14d6eac07c71471b98a7edf37b1467421ff94
SSDEEP

384:ioWtkEwn65rgjAsGipk55D16HgXakhbZD0mRvR6JZlbw8hqIusZzZIr:l7O89pErRpcnup

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 family
njrat
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

3000 netsh.exe
Executes dropped EXE 1 IoCs

Processes:

server.exe

pid process

2816 server.exe
Loads dropped DLL 1 IoCs

Processes:

e2e53f578f8c9010f6143c77853f1f56891ca7b24054229a505ef2023f17b3caN.exe

pid process

2380 e2e53f578f8c9010f6143c77853f1f56891ca7b24054229a505ef2023f17b3caN.exe

pid	process
3000	netsh.exe

pid	process
2816	server.exe

pid	process
2380	e2e53f578f8c9010f6143c77853f1f56891ca7b24054229a505ef2023f17b3caN.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-1-5-21-3692679935-4019334568-335155002-1000\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

Processes:

netsh.exe

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

Processes:

netsh.exee2e53f578f8c9010f6143c77853f1f56891ca7b24054229a505ef2023f17b3caN.exeserver.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e2e53f578f8c9010f6143c77853f1f56891ca7b24054229a505ef2023f17b3caN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

Processes:

server.exe

description	pid	process
Token: SeDebugPrivilege	2816	server.exe
Token: 33	2816	server.exe
Token: SeIncBasePriorityPrivilege	2816	server.exe
Token: 33	2816	server.exe
Token: SeIncBasePriorityPrivilege	2816	server.exe
Token: 33	2816	server.exe
Token: SeIncBasePriorityPrivilege	2816	server.exe
Token: 33	2816	server.exe
Token: SeIncBasePriorityPrivilege	2816	server.exe
Token: 33	2816	server.exe
Token: SeIncBasePriorityPrivilege	2816	server.exe
Token: 33	2816	server.exe
Token: SeIncBasePriorityPrivilege	2816	server.exe
Token: 33	2816	server.exe
Token: SeIncBasePriorityPrivilege	2816	server.exe
Token: 33	2816	server.exe
Token: SeIncBasePriorityPrivilege	2816	server.exe
Token: 33	2816	server.exe
Token: SeIncBasePriorityPrivilege	2816	server.exe
Token: 33	2816	server.exe
Token: SeIncBasePriorityPrivilege	2816	server.exe
Token: 33	2816	server.exe
Token: SeIncBasePriorityPrivilege	2816	server.exe
Token: 33	2816	server.exe
Token: SeIncBasePriorityPrivilege	2816	server.exe
Token: 33	2816	server.exe
Token: SeIncBasePriorityPrivilege	2816	server.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

e2e53f578f8c9010f6143c77853f1f56891ca7b24054229a505ef2023f17b3caN.exeserver.exe

description	pid	process	target process
PID 2380 wrote to memory of 2816	2380	e2e53f578f8c9010f6143c77853f1f56891ca7b24054229a505ef2023f17b3caN.exe	server.exe
PID 2380 wrote to memory of 2816	2380	e2e53f578f8c9010f6143c77853f1f56891ca7b24054229a505ef2023f17b3caN.exe	server.exe
PID 2380 wrote to memory of 2816	2380	e2e53f578f8c9010f6143c77853f1f56891ca7b24054229a505ef2023f17b3caN.exe	server.exe
PID 2380 wrote to memory of 2816	2380	e2e53f578f8c9010f6143c77853f1f56891ca7b24054229a505ef2023f17b3caN.exe	server.exe
PID 2816 wrote to memory of 3000	2816	server.exe	netsh.exe
PID 2816 wrote to memory of 3000	2816	server.exe	netsh.exe
PID 2816 wrote to memory of 3000	2816	server.exe	netsh.exe
PID 2816 wrote to memory of 3000	2816	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\e2e53f578f8c9010f6143c77853f1f56891ca7b24054229a505ef2023f17b3caN.exe
"C:\Users\Admin\AppData\Local\Temp\e2e53f578f8c9010f6143c77853f1f56891ca7b24054229a505ef2023f17b3caN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2380
- 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:2816
- - 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:3000

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
f7ec84243a7953d564c41befb8ba38f0

SHA1
0bf331de5438d673ecc74ce6ad69d71925d99cc9

SHA256
e2e53f578f8c9010f6143c77853f1f56891ca7b24054229a505ef2023f17b3ca

SHA512
3e36a6bd70c6b4d134c7022e50a0137b0a54b0a098f42e584af97bf9fe204523f2bf255e6592fcfcc392009b5ad14d6eac07c71471b98a7edf37b1467421ff94

Download Submit
memory/2380-0-0x00000000745E1000-0x00000000745E2000-memory.dmp

Filesize
4KB

Download
memory/2380-1-0x00000000745E0000-0x0000000074B8B000-memory.dmp

Filesize
5.7MB

Download
memory/2380-2-0x00000000745E0000-0x0000000074B8B000-memory.dmp

Filesize
5.7MB

Download
memory/2380-10-0x00000000745E0000-0x0000000074B8B000-memory.dmp

Filesize
5.7MB

Download
memory/2380-11-0x00000000745E0000-0x0000000074B8B000-memory.dmp

Filesize
5.7MB

Download
memory/2816-12-0x00000000745E0000-0x0000000074B8B000-memory.dmp

Filesize
5.7MB

Download
memory/2816-13-0x00000000745E0000-0x0000000074B8B000-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