njrat | 6e3f2ebb560fede5fca72650a4f495d1038930a3a7c0bebbd032be0a79e1f2b2

General

Target

6e3f2ebb560fede5fca72650a4f495d1038930a3a7c0bebbd032be0a79e1f2b2.exe
Size

22KB
MD5

14cf4f2623f9c31a8ad03945e848a60c
SHA1

677c414db6441270a8ed824a8a27259ff2720758
SHA256

6e3f2ebb560fede5fca72650a4f495d1038930a3a7c0bebbd032be0a79e1f2b2
SHA512

e43c6095290b28e22a655c2c223811d8b46fc75428db5c52a3f896e52ef795ce2267a6c92dfad753aef6cb47740de721ba41713b7533fd59c9a7b29f0aeb3c83
SSDEEP

384:2+n2650N3qZbATcjRGC5Eo9D46BgnqUhay1ZmRvR6JZlbw8hqIusZzZRv:pm+71d5XRpcnui

Score

10^/10

njrat discovery evasion persistence privilege_escalation trojan

Malware Config

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
3940	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	6e3f2ebb560fede5fca72650a4f495d1038930a3a7c0bebbd032be0a79e1f2b2.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\3d0dd0f92b252ee0856a5ed12374a126.exe	chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\3d0dd0f92b252ee0856a5ed12374a126.exe	chrome.exe

Executes dropped EXE 1 IoCs

pid	Process
4568	chrome.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	6e3f2ebb560fede5fca72650a4f495d1038930a3a7c0bebbd032be0a79e1f2b2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chrome.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	4568	chrome.exe
Token: 33	4568	chrome.exe
Token: SeIncBasePriorityPrivilege	4568	chrome.exe
Token: 33	4568	chrome.exe
Token: SeIncBasePriorityPrivilege	4568	chrome.exe
Token: 33	4568	chrome.exe
Token: SeIncBasePriorityPrivilege	4568	chrome.exe
Token: 33	4568	chrome.exe
Token: SeIncBasePriorityPrivilege	4568	chrome.exe
Token: 33	4568	chrome.exe
Token: SeIncBasePriorityPrivilege	4568	chrome.exe
Token: 33	4568	chrome.exe
Token: SeIncBasePriorityPrivilege	4568	chrome.exe
Token: 33	4568	chrome.exe
Token: SeIncBasePriorityPrivilege	4568	chrome.exe
Token: 33	4568	chrome.exe
Token: SeIncBasePriorityPrivilege	4568	chrome.exe
Token: 33	4568	chrome.exe
Token: SeIncBasePriorityPrivilege	4568	chrome.exe
Token: 33	4568	chrome.exe
Token: SeIncBasePriorityPrivilege	4568	chrome.exe
Token: 33	4568	chrome.exe
Token: SeIncBasePriorityPrivilege	4568	chrome.exe
Token: 33	4568	chrome.exe
Token: SeIncBasePriorityPrivilege	4568	chrome.exe
Token: 33	4568	chrome.exe
Token: SeIncBasePriorityPrivilege	4568	chrome.exe
Token: 33	4568	chrome.exe
Token: SeIncBasePriorityPrivilege	4568	chrome.exe
Token: 33	4568	chrome.exe
Token: SeIncBasePriorityPrivilege	4568	chrome.exe
Token: 33	4568	chrome.exe
Token: SeIncBasePriorityPrivilege	4568	chrome.exe
Token: 33	4568	chrome.exe
Token: SeIncBasePriorityPrivilege	4568	chrome.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4604 wrote to memory of 4568	4604	6e3f2ebb560fede5fca72650a4f495d1038930a3a7c0bebbd032be0a79e1f2b2.exe	84
PID 4604 wrote to memory of 4568	4604	6e3f2ebb560fede5fca72650a4f495d1038930a3a7c0bebbd032be0a79e1f2b2.exe	84
PID 4604 wrote to memory of 4568	4604	6e3f2ebb560fede5fca72650a4f495d1038930a3a7c0bebbd032be0a79e1f2b2.exe	84
PID 4568 wrote to memory of 3940	4568	chrome.exe	85
PID 4568 wrote to memory of 3940	4568	chrome.exe	85
PID 4568 wrote to memory of 3940	4568	chrome.exe	85

C:\Users\Admin\AppData\Local\Temp\6e3f2ebb560fede5fca72650a4f495d1038930a3a7c0bebbd032be0a79e1f2b2.exe
"C:\Users\Admin\AppData\Local\Temp\6e3f2ebb560fede5fca72650a4f495d1038930a3a7c0bebbd032be0a79e1f2b2.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4604
- C:\Users\Admin\AppData\Local\Temp\chrome.exe
  "C:\Users\Admin\AppData\Local\Temp\chrome.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4568
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\chrome.exe" "chrome.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:3940

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

Query Registry

1

T1012

System Information Discovery

2

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

C:\Users\Admin\AppData\Local\Temp\chrome.exe

Filesize
22KB

MD5
14cf4f2623f9c31a8ad03945e848a60c

SHA1
677c414db6441270a8ed824a8a27259ff2720758

SHA256
6e3f2ebb560fede5fca72650a4f495d1038930a3a7c0bebbd032be0a79e1f2b2

SHA512
e43c6095290b28e22a655c2c223811d8b46fc75428db5c52a3f896e52ef795ce2267a6c92dfad753aef6cb47740de721ba41713b7533fd59c9a7b29f0aeb3c83

Download Submit
memory/4568-14-0x0000000074760000-0x0000000074D11000-memory.dmp

Filesize
5.7MB

Download
memory/4568-15-0x0000000074760000-0x0000000074D11000-memory.dmp

Filesize
5.7MB

Download
memory/4568-12-0x0000000074760000-0x0000000074D11000-memory.dmp

Filesize
5.7MB

Download
memory/4568-17-0x0000000074760000-0x0000000074D11000-memory.dmp

Filesize
5.7MB

Download
memory/4568-18-0x0000000074760000-0x0000000074D11000-memory.dmp

Filesize
5.7MB

Download
memory/4604-0-0x0000000074762000-0x0000000074763000-memory.dmp

Filesize
4KB

Download
memory/4604-1-0x0000000074760000-0x0000000074D11000-memory.dmp

Filesize
5.7MB

Download
memory/4604-2-0x0000000074760000-0x0000000074D11000-memory.dmp

Filesize
5.7MB

Download
memory/4604-13-0x0000000074760000-0x0000000074D11000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads