njrat | b69d7bdd0b4ac0d7ff38bd89b0f461794a5daa767ce395e6428c5a03e01831f6

General

Target

b69d7bdd0b4ac0d7ff38bd89b0f461794a5daa767ce395e6428c5a03e01831f6.exe
Size

37KB
MD5

ebd4a0747e8663cb885cf2b86153352d
SHA1

ac610e0e9d8d36153c87f24e11a8080e3edadcd9
SHA256

b69d7bdd0b4ac0d7ff38bd89b0f461794a5daa767ce395e6428c5a03e01831f6
SHA512

54946f3d035ed6b8081e9329cc612ef3c048e593a28ef083095a2232c757a94b9b204bb34982e2287912742accee42d22f201f6db8855e15245ebceb5f366ab0
SSDEEP

384:5eL8CT0i9NdTe/kCOyU7NuvLmDPM+CrAF+rMRTyN/0L+EcoinblneHQM3epzXeNX:QLhT1CFU7NuKbMdrM+rMRa8Nu4Ht

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

C2

127.0.0.1:7326

Mutex

41563bca2271dd5d1babb5367aececa5

Attributes

reg_key
41563bca2271dd5d1babb5367aececa5
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
776	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
2084	server.exe

Loads dropped DLL 1 IoCs

pid	Process
2420	b69d7bdd0b4ac0d7ff38bd89b0f461794a5daa767ce395e6428c5a03e01831f6.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 queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	b69d7bdd0b4ac0d7ff38bd89b0f461794a5daa767ce395e6428c5a03e01831f6.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	2084	server.exe
Token: 33	2084	server.exe
Token: SeIncBasePriorityPrivilege	2084	server.exe
Token: 33	2084	server.exe
Token: SeIncBasePriorityPrivilege	2084	server.exe
Token: 33	2084	server.exe
Token: SeIncBasePriorityPrivilege	2084	server.exe
Token: 33	2084	server.exe
Token: SeIncBasePriorityPrivilege	2084	server.exe
Token: 33	2084	server.exe
Token: SeIncBasePriorityPrivilege	2084	server.exe
Token: 33	2084	server.exe
Token: SeIncBasePriorityPrivilege	2084	server.exe
Token: 33	2084	server.exe
Token: SeIncBasePriorityPrivilege	2084	server.exe
Token: 33	2084	server.exe
Token: SeIncBasePriorityPrivilege	2084	server.exe
Token: 33	2084	server.exe
Token: SeIncBasePriorityPrivilege	2084	server.exe
Token: 33	2084	server.exe
Token: SeIncBasePriorityPrivilege	2084	server.exe
Token: 33	2084	server.exe
Token: SeIncBasePriorityPrivilege	2084	server.exe
Token: 33	2084	server.exe
Token: SeIncBasePriorityPrivilege	2084	server.exe
Token: 33	2084	server.exe
Token: SeIncBasePriorityPrivilege	2084	server.exe
Token: 33	2084	server.exe
Token: SeIncBasePriorityPrivilege	2084	server.exe
Token: 33	2084	server.exe
Token: SeIncBasePriorityPrivilege	2084	server.exe
Token: 33	2084	server.exe
Token: SeIncBasePriorityPrivilege	2084	server.exe
Token: 33	2084	server.exe
Token: SeIncBasePriorityPrivilege	2084	server.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 2084	2420	b69d7bdd0b4ac0d7ff38bd89b0f461794a5daa767ce395e6428c5a03e01831f6.exe	31
PID 2420 wrote to memory of 2084	2420	b69d7bdd0b4ac0d7ff38bd89b0f461794a5daa767ce395e6428c5a03e01831f6.exe	31
PID 2420 wrote to memory of 2084	2420	b69d7bdd0b4ac0d7ff38bd89b0f461794a5daa767ce395e6428c5a03e01831f6.exe	31
PID 2420 wrote to memory of 2084	2420	b69d7bdd0b4ac0d7ff38bd89b0f461794a5daa767ce395e6428c5a03e01831f6.exe	31
PID 2084 wrote to memory of 776	2084	server.exe	32
PID 2084 wrote to memory of 776	2084	server.exe	32
PID 2084 wrote to memory of 776	2084	server.exe	32
PID 2084 wrote to memory of 776	2084	server.exe	32

C:\Users\Admin\AppData\Local\Temp\b69d7bdd0b4ac0d7ff38bd89b0f461794a5daa767ce395e6428c5a03e01831f6.exe
"C:\Users\Admin\AppData\Local\Temp\b69d7bdd0b4ac0d7ff38bd89b0f461794a5daa767ce395e6428c5a03e01831f6.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2420
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2084
- - 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:776

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 Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\server.exe

Filesize
37KB

MD5
ebd4a0747e8663cb885cf2b86153352d

SHA1
ac610e0e9d8d36153c87f24e11a8080e3edadcd9

SHA256
b69d7bdd0b4ac0d7ff38bd89b0f461794a5daa767ce395e6428c5a03e01831f6

SHA512
54946f3d035ed6b8081e9329cc612ef3c048e593a28ef083095a2232c757a94b9b204bb34982e2287912742accee42d22f201f6db8855e15245ebceb5f366ab0

Download Submit
memory/2084-12-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download
memory/2084-10-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download
memory/2084-13-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download
memory/2420-0-0x0000000074B31000-0x0000000074B32000-memory.dmp

Filesize
4KB

Download
memory/2420-1-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download
memory/2420-2-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download
memory/2420-11-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads