njrat | 2e03834fdaf9f6005621d822e3f20676230c991fec7cd9471fd30b18a861e799

General

Target

2e03834fdaf9f6005621d822e3f20676230c991fec7cd9471fd30b18a861e799N.exe
Size

23KB
MD5

6ec1a57ed360d5b15d82d6b7772c5140
SHA1

e9212ce75826a6c8170ca97c351fda341ad26946
SHA256

2e03834fdaf9f6005621d822e3f20676230c991fec7cd9471fd30b18a861e799
SHA512

e2dea6645542690628b1f6292b0b0051f8e85cf41286f08dadce37961cd00113a91ebcacc352ad50cff4113285ea1e572f31eb414f3d937cf0d04e18c3d68636
SSDEEP

384:X8aLWS0dABLYVq6RxP8MDFF09vK563gRMmJKUv0mRvR6JZlbw8hqIusZzZd5F:sXcwt3tRpcnue

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

10.0.0.50:5552

Mutex

4e423ffcc07fbe7123b3e1a63521f9ba

Attributes

reg_key
4e423ffcc07fbe7123b3e1a63521f9ba
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
2680	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
2948	server.exe

Loads dropped DLL 1 IoCs

pid	Process
2748	2e03834fdaf9f6005621d822e3f20676230c991fec7cd9471fd30b18a861e799N.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\4e423ffcc07fbe7123b3e1a63521f9ba = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\4e423ffcc07fbe7123b3e1a63521f9ba = "\"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 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2e03834fdaf9f6005621d822e3f20676230c991fec7cd9471fd30b18a861e799N.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	2948	server.exe
Token: 33	2948	server.exe
Token: SeIncBasePriorityPrivilege	2948	server.exe
Token: 33	2948	server.exe
Token: SeIncBasePriorityPrivilege	2948	server.exe
Token: 33	2948	server.exe
Token: SeIncBasePriorityPrivilege	2948	server.exe
Token: 33	2948	server.exe
Token: SeIncBasePriorityPrivilege	2948	server.exe
Token: 33	2948	server.exe
Token: SeIncBasePriorityPrivilege	2948	server.exe
Token: 33	2948	server.exe
Token: SeIncBasePriorityPrivilege	2948	server.exe
Token: 33	2948	server.exe
Token: SeIncBasePriorityPrivilege	2948	server.exe
Token: 33	2948	server.exe
Token: SeIncBasePriorityPrivilege	2948	server.exe
Token: 33	2948	server.exe
Token: SeIncBasePriorityPrivilege	2948	server.exe
Token: 33	2948	server.exe
Token: SeIncBasePriorityPrivilege	2948	server.exe
Token: 33	2948	server.exe
Token: SeIncBasePriorityPrivilege	2948	server.exe
Token: 33	2948	server.exe
Token: SeIncBasePriorityPrivilege	2948	server.exe
Token: 33	2948	server.exe
Token: SeIncBasePriorityPrivilege	2948	server.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2748 wrote to memory of 2948	2748	2e03834fdaf9f6005621d822e3f20676230c991fec7cd9471fd30b18a861e799N.exe	30
PID 2748 wrote to memory of 2948	2748	2e03834fdaf9f6005621d822e3f20676230c991fec7cd9471fd30b18a861e799N.exe	30
PID 2748 wrote to memory of 2948	2748	2e03834fdaf9f6005621d822e3f20676230c991fec7cd9471fd30b18a861e799N.exe	30
PID 2748 wrote to memory of 2948	2748	2e03834fdaf9f6005621d822e3f20676230c991fec7cd9471fd30b18a861e799N.exe	30
PID 2948 wrote to memory of 2680	2948	server.exe	31
PID 2948 wrote to memory of 2680	2948	server.exe	31
PID 2948 wrote to memory of 2680	2948	server.exe	31
PID 2948 wrote to memory of 2680	2948	server.exe	31

C:\Users\Admin\AppData\Local\Temp\2e03834fdaf9f6005621d822e3f20676230c991fec7cd9471fd30b18a861e799N.exe
"C:\Users\Admin\AppData\Local\Temp\2e03834fdaf9f6005621d822e3f20676230c991fec7cd9471fd30b18a861e799N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2748
- 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:2948
- - 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:2680

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
6ec1a57ed360d5b15d82d6b7772c5140

SHA1
e9212ce75826a6c8170ca97c351fda341ad26946

SHA256
2e03834fdaf9f6005621d822e3f20676230c991fec7cd9471fd30b18a861e799

SHA512
e2dea6645542690628b1f6292b0b0051f8e85cf41286f08dadce37961cd00113a91ebcacc352ad50cff4113285ea1e572f31eb414f3d937cf0d04e18c3d68636

Download Submit
memory/2748-0-0x0000000074201000-0x0000000074202000-memory.dmp

Filesize
4KB

Download
memory/2748-1-0x0000000074200000-0x00000000747AB000-memory.dmp

Filesize
5.7MB

Download
memory/2748-2-0x0000000074200000-0x00000000747AB000-memory.dmp

Filesize
5.7MB

Download
memory/2748-11-0x0000000074200000-0x00000000747AB000-memory.dmp

Filesize
5.7MB

Download
memory/2948-10-0x0000000074200000-0x00000000747AB000-memory.dmp

Filesize
5.7MB

Download
memory/2948-12-0x0000000074200000-0x00000000747AB000-memory.dmp

Filesize
5.7MB

Download
memory/2948-13-0x0000000074200000-0x00000000747AB000-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