njrat | 76ccca5e07e95af3bcd49eb6828c233c1153661910971c83faa39f8c9f96bb9f

General

Target

76ccca5e07e95af3bcd49eb6828c233c1153661910971c83faa39f8c9f96bb9fN.exe
Size

1.7MB
MD5

c2334bd0aa9099b8f78ce13c8dd3ca80
SHA1

3073f75428cffb8e3e4df4e415a9faec92e95ee9
SHA256

76ccca5e07e95af3bcd49eb6828c233c1153661910971c83faa39f8c9f96bb9f
SHA512

acbcddf835ba1ffb28b56420d17d6528799e03988bd321a87e1021e5df3d2efeeae6a106e23843dcba122997d7eb74939357b8e1f3079ea47c972a7f2cb46f45
SSDEEP

49152:95JYY7I66osv7LysFBAmsx0Rbt0FPTudD:pYYbrsCsFnH0F72D

Score

10^/10

njrat strangerjack discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

strangerjack

C2

127.0.0.1:6666

Mutex

11449a6d98419174eacab32de56c3d2c

Attributes

reg_key
11449a6d98419174eacab32de56c3d2c
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

pid	Process
2156	netsh.exe

.NET Reactor proctector 1 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

resource	yara_rule
behavioral1/memory/352-1-0x0000000000D90000-0x0000000000F4C000-memory.dmp	net_reactor

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 2 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	76ccca5e07e95af3bcd49eb6828c233c1153661910971c83faa39f8c9f96bb9fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	352	76ccca5e07e95af3bcd49eb6828c233c1153661910971c83faa39f8c9f96bb9fN.exe
Token: 33	352	76ccca5e07e95af3bcd49eb6828c233c1153661910971c83faa39f8c9f96bb9fN.exe
Token: SeIncBasePriorityPrivilege	352	76ccca5e07e95af3bcd49eb6828c233c1153661910971c83faa39f8c9f96bb9fN.exe
Token: 33	352	76ccca5e07e95af3bcd49eb6828c233c1153661910971c83faa39f8c9f96bb9fN.exe
Token: SeIncBasePriorityPrivilege	352	76ccca5e07e95af3bcd49eb6828c233c1153661910971c83faa39f8c9f96bb9fN.exe
Token: 33	352	76ccca5e07e95af3bcd49eb6828c233c1153661910971c83faa39f8c9f96bb9fN.exe
Token: SeIncBasePriorityPrivilege	352	76ccca5e07e95af3bcd49eb6828c233c1153661910971c83faa39f8c9f96bb9fN.exe
Token: 33	352	76ccca5e07e95af3bcd49eb6828c233c1153661910971c83faa39f8c9f96bb9fN.exe
Token: SeIncBasePriorityPrivilege	352	76ccca5e07e95af3bcd49eb6828c233c1153661910971c83faa39f8c9f96bb9fN.exe
Token: 33	352	76ccca5e07e95af3bcd49eb6828c233c1153661910971c83faa39f8c9f96bb9fN.exe
Token: SeIncBasePriorityPrivilege	352	76ccca5e07e95af3bcd49eb6828c233c1153661910971c83faa39f8c9f96bb9fN.exe
Token: 33	352	76ccca5e07e95af3bcd49eb6828c233c1153661910971c83faa39f8c9f96bb9fN.exe
Token: SeIncBasePriorityPrivilege	352	76ccca5e07e95af3bcd49eb6828c233c1153661910971c83faa39f8c9f96bb9fN.exe
Token: 33	352	76ccca5e07e95af3bcd49eb6828c233c1153661910971c83faa39f8c9f96bb9fN.exe
Token: SeIncBasePriorityPrivilege	352	76ccca5e07e95af3bcd49eb6828c233c1153661910971c83faa39f8c9f96bb9fN.exe
Token: 33	352	76ccca5e07e95af3bcd49eb6828c233c1153661910971c83faa39f8c9f96bb9fN.exe
Token: SeIncBasePriorityPrivilege	352	76ccca5e07e95af3bcd49eb6828c233c1153661910971c83faa39f8c9f96bb9fN.exe
Token: 33	352	76ccca5e07e95af3bcd49eb6828c233c1153661910971c83faa39f8c9f96bb9fN.exe
Token: SeIncBasePriorityPrivilege	352	76ccca5e07e95af3bcd49eb6828c233c1153661910971c83faa39f8c9f96bb9fN.exe
Token: 33	352	76ccca5e07e95af3bcd49eb6828c233c1153661910971c83faa39f8c9f96bb9fN.exe
Token: SeIncBasePriorityPrivilege	352	76ccca5e07e95af3bcd49eb6828c233c1153661910971c83faa39f8c9f96bb9fN.exe
Token: 33	352	76ccca5e07e95af3bcd49eb6828c233c1153661910971c83faa39f8c9f96bb9fN.exe
Token: SeIncBasePriorityPrivilege	352	76ccca5e07e95af3bcd49eb6828c233c1153661910971c83faa39f8c9f96bb9fN.exe
Token: 33	352	76ccca5e07e95af3bcd49eb6828c233c1153661910971c83faa39f8c9f96bb9fN.exe
Token: SeIncBasePriorityPrivilege	352	76ccca5e07e95af3bcd49eb6828c233c1153661910971c83faa39f8c9f96bb9fN.exe
Token: 33	352	76ccca5e07e95af3bcd49eb6828c233c1153661910971c83faa39f8c9f96bb9fN.exe
Token: SeIncBasePriorityPrivilege	352	76ccca5e07e95af3bcd49eb6828c233c1153661910971c83faa39f8c9f96bb9fN.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 352 wrote to memory of 2156	352	76ccca5e07e95af3bcd49eb6828c233c1153661910971c83faa39f8c9f96bb9fN.exe	31
PID 352 wrote to memory of 2156	352	76ccca5e07e95af3bcd49eb6828c233c1153661910971c83faa39f8c9f96bb9fN.exe	31
PID 352 wrote to memory of 2156	352	76ccca5e07e95af3bcd49eb6828c233c1153661910971c83faa39f8c9f96bb9fN.exe	31
PID 352 wrote to memory of 2156	352	76ccca5e07e95af3bcd49eb6828c233c1153661910971c83faa39f8c9f96bb9fN.exe	31

C:\Users\Admin\AppData\Local\Temp\76ccca5e07e95af3bcd49eb6828c233c1153661910971c83faa39f8c9f96bb9fN.exe
"C:\Users\Admin\AppData\Local\Temp\76ccca5e07e95af3bcd49eb6828c233c1153661910971c83faa39f8c9f96bb9fN.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:352
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\76ccca5e07e95af3bcd49eb6828c233c1153661910971c83faa39f8c9f96bb9fN.exe" "76ccca5e07e95af3bcd49eb6828c233c1153661910971c83faa39f8c9f96bb9fN.exe" ENABLE
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:2156

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

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

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

1

T1562.004

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/352-0-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

Filesize
4KB

Download
memory/352-1-0x0000000000D90000-0x0000000000F4C000-memory.dmp

Filesize
1.7MB

Download
memory/352-2-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

Filesize
4KB

Download
memory/352-3-0x00000000004C0000-0x00000000004D0000-memory.dmp

Filesize
64KB

Download
memory/352-4-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download
memory/352-5-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads