njrat | dd757bd9a2b565d4d79d70145d0a3d150c8570a695f7ce216ad0cfd8cb589350

General

Target

dd757bd9a2b565d4d79d70145d0a3d150c8570a695f7ce216ad0cfd8cb589350.exe
Size

23KB
MD5

474b5faa286aef2f312d60d26e01d08e
SHA1

57f89d8d1b1ad65ccf25f479ef041cdb41d1ec89
SHA256

dd757bd9a2b565d4d79d70145d0a3d150c8570a695f7ce216ad0cfd8cb589350
SHA512

9ba7c062924d0d9f05c282a59b0c886303dcf5f8195fa0e8572b8d2c46fafac24edeae27eea341dff58a734df2879a31fc007ab7e1614cd75545e59ae43f7900
SSDEEP

384:coWtkEwn65rgjAsGipk55D16HgXakhbZD0mRvR6JZlbw8hqIusZzZInh:L7O89pErRpcnuJh

Score

10^/10

njrat hacked defense_evasion discovery 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

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2484	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
2856	server.exe

Loads dropped DLL 1 IoCs

pid	Process
2120	dd757bd9a2b565d4d79d70145d0a3d150c8570a695f7ce216ad0cfd8cb589350.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-1-5-21-3533259084-2542256011-65585152-1000\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	dd757bd9a2b565d4d79d70145d0a3d150c8570a695f7ce216ad0cfd8cb589350.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	2856	server.exe
Token: 33	2856	server.exe
Token: SeIncBasePriorityPrivilege	2856	server.exe
Token: 33	2856	server.exe
Token: SeIncBasePriorityPrivilege	2856	server.exe
Token: 33	2856	server.exe
Token: SeIncBasePriorityPrivilege	2856	server.exe
Token: 33	2856	server.exe
Token: SeIncBasePriorityPrivilege	2856	server.exe
Token: 33	2856	server.exe
Token: SeIncBasePriorityPrivilege	2856	server.exe
Token: 33	2856	server.exe
Token: SeIncBasePriorityPrivilege	2856	server.exe
Token: 33	2856	server.exe
Token: SeIncBasePriorityPrivilege	2856	server.exe
Token: 33	2856	server.exe
Token: SeIncBasePriorityPrivilege	2856	server.exe
Token: 33	2856	server.exe
Token: SeIncBasePriorityPrivilege	2856	server.exe
Token: 33	2856	server.exe
Token: SeIncBasePriorityPrivilege	2856	server.exe
Token: 33	2856	server.exe
Token: SeIncBasePriorityPrivilege	2856	server.exe
Token: 33	2856	server.exe
Token: SeIncBasePriorityPrivilege	2856	server.exe
Token: 33	2856	server.exe
Token: SeIncBasePriorityPrivilege	2856	server.exe
Token: 33	2856	server.exe
Token: SeIncBasePriorityPrivilege	2856	server.exe
Token: 33	2856	server.exe
Token: SeIncBasePriorityPrivilege	2856	server.exe
Token: 33	2856	server.exe
Token: SeIncBasePriorityPrivilege	2856	server.exe
Token: 33	2856	server.exe
Token: SeIncBasePriorityPrivilege	2856	server.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2120 wrote to memory of 2856	2120	dd757bd9a2b565d4d79d70145d0a3d150c8570a695f7ce216ad0cfd8cb589350.exe	30
PID 2120 wrote to memory of 2856	2120	dd757bd9a2b565d4d79d70145d0a3d150c8570a695f7ce216ad0cfd8cb589350.exe	30
PID 2120 wrote to memory of 2856	2120	dd757bd9a2b565d4d79d70145d0a3d150c8570a695f7ce216ad0cfd8cb589350.exe	30
PID 2120 wrote to memory of 2856	2120	dd757bd9a2b565d4d79d70145d0a3d150c8570a695f7ce216ad0cfd8cb589350.exe	30
PID 2856 wrote to memory of 2484	2856	server.exe	31
PID 2856 wrote to memory of 2484	2856	server.exe	31
PID 2856 wrote to memory of 2484	2856	server.exe	31
PID 2856 wrote to memory of 2484	2856	server.exe	31

C:\Users\Admin\AppData\Local\Temp\dd757bd9a2b565d4d79d70145d0a3d150c8570a695f7ce216ad0cfd8cb589350.exe
"C:\Users\Admin\AppData\Local\Temp\dd757bd9a2b565d4d79d70145d0a3d150c8570a695f7ce216ad0cfd8cb589350.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2120
- 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:2856
- - 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:2484

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
474b5faa286aef2f312d60d26e01d08e

SHA1
57f89d8d1b1ad65ccf25f479ef041cdb41d1ec89

SHA256
dd757bd9a2b565d4d79d70145d0a3d150c8570a695f7ce216ad0cfd8cb589350

SHA512
9ba7c062924d0d9f05c282a59b0c886303dcf5f8195fa0e8572b8d2c46fafac24edeae27eea341dff58a734df2879a31fc007ab7e1614cd75545e59ae43f7900

Download Submit
memory/2120-0-0x0000000074801000-0x0000000074802000-memory.dmp

Filesize
4KB

Download
memory/2120-2-0x0000000074800000-0x0000000074DAB000-memory.dmp

Filesize
5.7MB

Download
memory/2120-1-0x0000000074800000-0x0000000074DAB000-memory.dmp

Filesize
5.7MB

Download
memory/2120-11-0x0000000074800000-0x0000000074DAB000-memory.dmp

Filesize
5.7MB

Download
memory/2856-10-0x0000000074800000-0x0000000074DAB000-memory.dmp

Filesize
5.7MB

Download
memory/2856-12-0x0000000074800000-0x0000000074DAB000-memory.dmp

Filesize
5.7MB

Download
memory/2856-13-0x0000000074800000-0x0000000074DAB000-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