njrat | a8bd51bd9808450d3f3c954b221f5d01e55a7863dd048a816dfbe229391e8bba

General

Target

7f70e00cb673f52e3feb31834e2e2c4ad2091a690a56735a1f517c7ebc52a3be.exe
Size

23KB
MD5

a92763f22f7cf1683f18472ab69293f9
SHA1

dfd4a8a96b255804165d4d1d458cd6ccd5b4d8d9
SHA256

7f70e00cb673f52e3feb31834e2e2c4ad2091a690a56735a1f517c7ebc52a3be
SHA512

181c1b24d6e907352836dbd4d2445e112bf949d76df3827dc477919428f21b017c0bb3f27ebe65b59c3589f2d1706f59fdb7bc444073fcb2c3f32696a5d8b003
SSDEEP

384:f+n2650N3qZbATcjRGC5Eo9D46BgnqUhay1ZmRvR6JZlbw8hqIusZzZxU1:4m+71d5XRpcnuJ1

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

mohmoh002.ddns.net:5552

Mutex

d922c61e0aecad1aa02e873c7d37cf0a

Attributes

reg_key
d922c61e0aecad1aa02e873c7d37cf0a
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
2580	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
2808	server.exe

Loads dropped DLL 1 IoCs

pid	Process
2648	7f70e00cb673f52e3feb31834e2e2c4ad2091a690a56735a1f517c7ebc52a3be.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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\d922c61e0aecad1aa02e873c7d37cf0a = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\d922c61e0aecad1aa02e873c7d37cf0a = "\"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	7f70e00cb673f52e3feb31834e2e2c4ad2091a690a56735a1f517c7ebc52a3be.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 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2808	server.exe
Token: 33	2808	server.exe
Token: SeIncBasePriorityPrivilege	2808	server.exe
Token: 33	2808	server.exe
Token: SeIncBasePriorityPrivilege	2808	server.exe
Token: 33	2808	server.exe
Token: SeIncBasePriorityPrivilege	2808	server.exe
Token: 33	2808	server.exe
Token: SeIncBasePriorityPrivilege	2808	server.exe
Token: 33	2808	server.exe
Token: SeIncBasePriorityPrivilege	2808	server.exe
Token: 33	2808	server.exe
Token: SeIncBasePriorityPrivilege	2808	server.exe
Token: 33	2808	server.exe
Token: SeIncBasePriorityPrivilege	2808	server.exe
Token: 33	2808	server.exe
Token: SeIncBasePriorityPrivilege	2808	server.exe
Token: 33	2808	server.exe
Token: SeIncBasePriorityPrivilege	2808	server.exe
Token: 33	2808	server.exe
Token: SeIncBasePriorityPrivilege	2808	server.exe
Token: 33	2808	server.exe
Token: SeIncBasePriorityPrivilege	2808	server.exe
Token: 33	2808	server.exe
Token: SeIncBasePriorityPrivilege	2808	server.exe
Token: 33	2808	server.exe
Token: SeIncBasePriorityPrivilege	2808	server.exe
Token: 33	2808	server.exe
Token: SeIncBasePriorityPrivilege	2808	server.exe
Token: 33	2808	server.exe
Token: SeIncBasePriorityPrivilege	2808	server.exe
Token: 33	2808	server.exe
Token: SeIncBasePriorityPrivilege	2808	server.exe
Token: 33	2808	server.exe
Token: SeIncBasePriorityPrivilege	2808	server.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 2808	2648	7f70e00cb673f52e3feb31834e2e2c4ad2091a690a56735a1f517c7ebc52a3be.exe	30
PID 2648 wrote to memory of 2808	2648	7f70e00cb673f52e3feb31834e2e2c4ad2091a690a56735a1f517c7ebc52a3be.exe	30
PID 2648 wrote to memory of 2808	2648	7f70e00cb673f52e3feb31834e2e2c4ad2091a690a56735a1f517c7ebc52a3be.exe	30
PID 2648 wrote to memory of 2808	2648	7f70e00cb673f52e3feb31834e2e2c4ad2091a690a56735a1f517c7ebc52a3be.exe	30
PID 2808 wrote to memory of 2580	2808	server.exe	31
PID 2808 wrote to memory of 2580	2808	server.exe	31
PID 2808 wrote to memory of 2580	2808	server.exe	31
PID 2808 wrote to memory of 2580	2808	server.exe	31

C:\Users\Admin\AppData\Local\Temp\7f70e00cb673f52e3feb31834e2e2c4ad2091a690a56735a1f517c7ebc52a3be.exe
"C:\Users\Admin\AppData\Local\Temp\7f70e00cb673f52e3feb31834e2e2c4ad2091a690a56735a1f517c7ebc52a3be.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2648
- 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:2808
- - 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:2580

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
a92763f22f7cf1683f18472ab69293f9

SHA1
dfd4a8a96b255804165d4d1d458cd6ccd5b4d8d9

SHA256
7f70e00cb673f52e3feb31834e2e2c4ad2091a690a56735a1f517c7ebc52a3be

SHA512
181c1b24d6e907352836dbd4d2445e112bf949d76df3827dc477919428f21b017c0bb3f27ebe65b59c3589f2d1706f59fdb7bc444073fcb2c3f32696a5d8b003

Download Submit
memory/2648-0-0x0000000074051000-0x0000000074052000-memory.dmp

Filesize
4KB

Download
memory/2648-1-0x0000000074050000-0x00000000745FB000-memory.dmp

Filesize
5.7MB

Download
memory/2648-2-0x0000000074050000-0x00000000745FB000-memory.dmp

Filesize
5.7MB

Download
memory/2648-12-0x0000000074051000-0x0000000074052000-memory.dmp

Filesize
4KB

Download
memory/2648-13-0x0000000074050000-0x00000000745FB000-memory.dmp

Filesize
5.7MB

Download
memory/2648-14-0x0000000074050000-0x00000000745FB000-memory.dmp

Filesize
5.7MB

Download
memory/2808-10-0x0000000074050000-0x00000000745FB000-memory.dmp

Filesize
5.7MB

Download
memory/2808-11-0x0000000074050000-0x00000000745FB000-memory.dmp

Filesize
5.7MB

Download
memory/2808-15-0x0000000074050000-0x00000000745FB000-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