njrat | 894a461e0d709023ba6ec45f748b38a79ae12cf398702244ef2ffa93dd644133

Analysis

max time kernel
150s
max time network
132s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22/03/2025, 06:15

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General

Target

acb1d9172ea43bdfd5be9ec2bbfb5d3e.exe
Size

23KB
MD5

acb1d9172ea43bdfd5be9ec2bbfb5d3e
SHA1

d37af6b97063efcee814ab57e8138059eba02481
SHA256

8d7c987ecfa34c13b8b1b1ec3a65762f6ba44f16399742c13308c1dfb027e316
SHA512

64657f42d83fd530a1ef798e34f20322170bfaca786d60a49189e29ab3a79dc9407eee01b84ff45840613954453459c969449d78db3f0dbb918778cf01432d69
SSDEEP

384:u8aSyS9gB3Y1KIay2X8cLZI6XgxsGJVPpmRvR6JZlbw8hqIusZzZNR:h589tXvRpcnu4

Score

10^/10

njrat hacked defense_evasion discovery persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

moumenmehdi.ddns.net:4444

Mutex

ed2c1733ad9c1c6787ff57d825c93161

Attributes

reg_key
ed2c1733ad9c1c6787ff57d825c93161
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
2696	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ed2c1733ad9c1c6787ff57d825c93161.exe	server.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ed2c1733ad9c1c6787ff57d825c93161.exe	server.exe

Executes dropped EXE 1 IoCs

pid	Process
2664	server.exe

Loads dropped DLL 1 IoCs

pid	Process
2708	acb1d9172ea43bdfd5be9ec2bbfb5d3e.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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\ed2c1733ad9c1c6787ff57d825c93161 = "\"C:\\ProgramData\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ed2c1733ad9c1c6787ff57d825c93161 = "\"C:\\ProgramData\\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	acb1d9172ea43bdfd5be9ec2bbfb5d3e.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	2664	server.exe
Token: 33	2664	server.exe
Token: SeIncBasePriorityPrivilege	2664	server.exe
Token: 33	2664	server.exe
Token: SeIncBasePriorityPrivilege	2664	server.exe
Token: 33	2664	server.exe
Token: SeIncBasePriorityPrivilege	2664	server.exe
Token: 33	2664	server.exe
Token: SeIncBasePriorityPrivilege	2664	server.exe
Token: 33	2664	server.exe
Token: SeIncBasePriorityPrivilege	2664	server.exe
Token: 33	2664	server.exe
Token: SeIncBasePriorityPrivilege	2664	server.exe
Token: 33	2664	server.exe
Token: SeIncBasePriorityPrivilege	2664	server.exe
Token: 33	2664	server.exe
Token: SeIncBasePriorityPrivilege	2664	server.exe
Token: 33	2664	server.exe
Token: SeIncBasePriorityPrivilege	2664	server.exe
Token: 33	2664	server.exe
Token: SeIncBasePriorityPrivilege	2664	server.exe
Token: 33	2664	server.exe
Token: SeIncBasePriorityPrivilege	2664	server.exe
Token: 33	2664	server.exe
Token: SeIncBasePriorityPrivilege	2664	server.exe
Token: 33	2664	server.exe
Token: SeIncBasePriorityPrivilege	2664	server.exe
Token: 33	2664	server.exe
Token: SeIncBasePriorityPrivilege	2664	server.exe
Token: 33	2664	server.exe
Token: SeIncBasePriorityPrivilege	2664	server.exe
Token: 33	2664	server.exe
Token: SeIncBasePriorityPrivilege	2664	server.exe
Token: 33	2664	server.exe
Token: SeIncBasePriorityPrivilege	2664	server.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2708 wrote to memory of 2664	2708	acb1d9172ea43bdfd5be9ec2bbfb5d3e.exe	30
PID 2708 wrote to memory of 2664	2708	acb1d9172ea43bdfd5be9ec2bbfb5d3e.exe	30
PID 2708 wrote to memory of 2664	2708	acb1d9172ea43bdfd5be9ec2bbfb5d3e.exe	30
PID 2708 wrote to memory of 2664	2708	acb1d9172ea43bdfd5be9ec2bbfb5d3e.exe	30
PID 2664 wrote to memory of 2696	2664	server.exe	31
PID 2664 wrote to memory of 2696	2664	server.exe	31
PID 2664 wrote to memory of 2696	2664	server.exe	31
PID 2664 wrote to memory of 2696	2664	server.exe	31

C:\Users\Admin\AppData\Local\Temp\acb1d9172ea43bdfd5be9ec2bbfb5d3e.exe
"C:\Users\Admin\AppData\Local\Temp\acb1d9172ea43bdfd5be9ec2bbfb5d3e.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2708
- C:\ProgramData\server.exe
  "C:\ProgramData\server.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2664
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\ProgramData\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2696

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\server.exe

Filesize
23KB

MD5
acb1d9172ea43bdfd5be9ec2bbfb5d3e

SHA1
d37af6b97063efcee814ab57e8138059eba02481

SHA256
8d7c987ecfa34c13b8b1b1ec3a65762f6ba44f16399742c13308c1dfb027e316

SHA512
64657f42d83fd530a1ef798e34f20322170bfaca786d60a49189e29ab3a79dc9407eee01b84ff45840613954453459c969449d78db3f0dbb918778cf01432d69

Download Submit
memory/2664-11-0x0000000074890000-0x0000000074E3B000-memory.dmp

Filesize
5.7MB

Download
memory/2664-12-0x0000000074890000-0x0000000074E3B000-memory.dmp

Filesize
5.7MB

Download
memory/2664-14-0x0000000074890000-0x0000000074E3B000-memory.dmp

Filesize
5.7MB

Download
memory/2664-15-0x0000000074890000-0x0000000074E3B000-memory.dmp

Filesize
5.7MB

Download
memory/2708-0-0x0000000074891000-0x0000000074892000-memory.dmp

Filesize
4KB

Download
memory/2708-1-0x0000000074890000-0x0000000074E3B000-memory.dmp

Filesize
5.7MB

Download
memory/2708-2-0x0000000074890000-0x0000000074E3B000-memory.dmp

Filesize
5.7MB

Download
memory/2708-10-0x0000000074890000-0x0000000074E3B000-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