njrat | dfd7d6ed753ec58f05c27ebc97c41ef7826a4dd518d3ea545e56ef83b0bae58f

Analysis

max time kernel
147s
max time network
139s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-11-2024 19:00

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General

Target

e29e2a43de1978c3dd5224f84d5a6dc1.exe
Size

37KB
MD5

e29e2a43de1978c3dd5224f84d5a6dc1
SHA1

99dc6c9892ef2ad54485315158618c108830cf4f
SHA256

dfd7d6ed753ec58f05c27ebc97c41ef7826a4dd518d3ea545e56ef83b0bae58f
SHA512

d0437fbd3caced060a20e3f2c06404e62aff94f3a27994c08bacc6ed71be3a7440b7ff089bdf09443a316add44e08948bc00ae104ab87979e6bed47673add01a
SSDEEP

384:pDKbZ7LsikL9zNf/1uyU7LMvrBs2sfarAF+rMRTyN/0L+EcoinblneHQM3epzXxy:MbBml1lU7LMVFsSrM+rMRa8NufP+t

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

2.tcp.eu.ngrok.io:5552

Mutex

d6bf259c37877b40e758762118c76f69

Attributes

reg_key
d6bf259c37877b40e758762118c76f69
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
2868	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
2692	WIld client.exe

Loads dropped DLL 1 IoCs

pid	Process
2344	e29e2a43de1978c3dd5224f84d5a6dc1.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
2	2.tcp.eu.ngrok.io
8	2.tcp.eu.ngrok.io

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	e29e2a43de1978c3dd5224f84d5a6dc1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WIld client.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2692	WIld client.exe
Token: 33	2692	WIld client.exe
Token: SeIncBasePriorityPrivilege	2692	WIld client.exe
Token: 33	2692	WIld client.exe
Token: SeIncBasePriorityPrivilege	2692	WIld client.exe
Token: 33	2692	WIld client.exe
Token: SeIncBasePriorityPrivilege	2692	WIld client.exe
Token: 33	2692	WIld client.exe
Token: SeIncBasePriorityPrivilege	2692	WIld client.exe
Token: 33	2692	WIld client.exe
Token: SeIncBasePriorityPrivilege	2692	WIld client.exe
Token: 33	2692	WIld client.exe
Token: SeIncBasePriorityPrivilege	2692	WIld client.exe
Token: 33	2692	WIld client.exe
Token: SeIncBasePriorityPrivilege	2692	WIld client.exe
Token: 33	2692	WIld client.exe
Token: SeIncBasePriorityPrivilege	2692	WIld client.exe
Token: 33	2692	WIld client.exe
Token: SeIncBasePriorityPrivilege	2692	WIld client.exe
Token: 33	2692	WIld client.exe
Token: SeIncBasePriorityPrivilege	2692	WIld client.exe
Token: 33	2692	WIld client.exe
Token: SeIncBasePriorityPrivilege	2692	WIld client.exe
Token: 33	2692	WIld client.exe
Token: SeIncBasePriorityPrivilege	2692	WIld client.exe
Token: 33	2692	WIld client.exe
Token: SeIncBasePriorityPrivilege	2692	WIld client.exe
Token: 33	2692	WIld client.exe
Token: SeIncBasePriorityPrivilege	2692	WIld client.exe
Token: 33	2692	WIld client.exe
Token: SeIncBasePriorityPrivilege	2692	WIld client.exe
Token: 33	2692	WIld client.exe
Token: SeIncBasePriorityPrivilege	2692	WIld client.exe
Token: 33	2692	WIld client.exe
Token: SeIncBasePriorityPrivilege	2692	WIld client.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2344 wrote to memory of 2692	2344	e29e2a43de1978c3dd5224f84d5a6dc1.exe	30
PID 2344 wrote to memory of 2692	2344	e29e2a43de1978c3dd5224f84d5a6dc1.exe	30
PID 2344 wrote to memory of 2692	2344	e29e2a43de1978c3dd5224f84d5a6dc1.exe	30
PID 2344 wrote to memory of 2692	2344	e29e2a43de1978c3dd5224f84d5a6dc1.exe	30
PID 2692 wrote to memory of 2868	2692	WIld client.exe	31
PID 2692 wrote to memory of 2868	2692	WIld client.exe	31
PID 2692 wrote to memory of 2868	2692	WIld client.exe	31
PID 2692 wrote to memory of 2868	2692	WIld client.exe	31

C:\Users\Admin\AppData\Local\Temp\e29e2a43de1978c3dd5224f84d5a6dc1.exe
"C:\Users\Admin\AppData\Local\Temp\e29e2a43de1978c3dd5224f84d5a6dc1.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2344
- C:\Users\Admin\AppData\Roaming\WIld client.exe
  "C:\Users\Admin\AppData\Roaming\WIld client.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2692
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\WIld client.exe" "WIld client.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2868

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

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

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\WIld client.exe

Filesize
37KB

MD5
e29e2a43de1978c3dd5224f84d5a6dc1

SHA1
99dc6c9892ef2ad54485315158618c108830cf4f

SHA256
dfd7d6ed753ec58f05c27ebc97c41ef7826a4dd518d3ea545e56ef83b0bae58f

SHA512
d0437fbd3caced060a20e3f2c06404e62aff94f3a27994c08bacc6ed71be3a7440b7ff089bdf09443a316add44e08948bc00ae104ab87979e6bed47673add01a

Download Submit
memory/2344-0-0x00000000744A1000-0x00000000744A2000-memory.dmp

Filesize
4KB

Download
memory/2344-1-0x00000000744A0000-0x0000000074A4B000-memory.dmp

Filesize
5.7MB

Download
memory/2344-2-0x00000000744A0000-0x0000000074A4B000-memory.dmp

Filesize
5.7MB

Download
memory/2344-10-0x00000000744A0000-0x0000000074A4B000-memory.dmp

Filesize
5.7MB

Download
memory/2692-13-0x00000000744A0000-0x0000000074A4B000-memory.dmp

Filesize
5.7MB

Download
memory/2692-12-0x00000000744A0000-0x0000000074A4B000-memory.dmp

Filesize
5.7MB

Download
memory/2692-11-0x00000000744A0000-0x0000000074A4B000-memory.dmp

Filesize
5.7MB

Download
memory/2692-14-0x00000000744A0000-0x0000000074A4B000-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