njrat | c7d414e77ad789881f7313d2de7fcac8cfbdf1c87f24537bb923247715cef47f

General

Target

c7d414e77ad789881f7313d2de7fcac8cfbdf1c87f24537bb923247715cef47fN.exe
Size

1.0MB
MD5

13bcf63dff44ab074142d1c1af63a180
SHA1

0a27a9bd90eaa91ae3020e2e594d0122452a1301
SHA256

c7d414e77ad789881f7313d2de7fcac8cfbdf1c87f24537bb923247715cef47f
SHA512

98df47bbca839f25a8d843f7901d487807ab84c442ed65d7f1f276e1055443b0a3da70e768477c506dea60adc5fe5a58fcef55effc341643158a93e446948613
SSDEEP

12288:vRIycEf7Dqq43tg452FUcGXSztkNslsZxoh+evr3lYvgQoovFMqHLj07nyAeuLcg:vRIycEf7t33CiqfUnkU9cquD

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
3616	netsh.exe

.NET Reactor proctector 1 IoCs

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

resource	yara_rule
behavioral2/files/0x0008000000023ca5-7.dat	net_reactor

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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	c7d414e77ad789881f7313d2de7fcac8cfbdf1c87f24537bb923247715cef47fN.exe

Executes dropped EXE 1 IoCs

pid	Process
4164	remebt7bne.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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\68389619b96d2ff8cd4b2f6faaf02c7e = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\remebt7bne.exe\" .."	remebt7bne.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\68389619b96d2ff8cd4b2f6faaf02c7e = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\remebt7bne.exe\" .."	remebt7bne.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	c7d414e77ad789881f7313d2de7fcac8cfbdf1c87f24537bb923247715cef47fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	remebt7bne.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	4164	remebt7bne.exe
Token: 33	4164	remebt7bne.exe
Token: SeIncBasePriorityPrivilege	4164	remebt7bne.exe
Token: 33	4164	remebt7bne.exe
Token: SeIncBasePriorityPrivilege	4164	remebt7bne.exe
Token: 33	4164	remebt7bne.exe
Token: SeIncBasePriorityPrivilege	4164	remebt7bne.exe
Token: 33	4164	remebt7bne.exe
Token: SeIncBasePriorityPrivilege	4164	remebt7bne.exe
Token: 33	4164	remebt7bne.exe
Token: SeIncBasePriorityPrivilege	4164	remebt7bne.exe
Token: 33	4164	remebt7bne.exe
Token: SeIncBasePriorityPrivilege	4164	remebt7bne.exe
Token: 33	4164	remebt7bne.exe
Token: SeIncBasePriorityPrivilege	4164	remebt7bne.exe
Token: 33	4164	remebt7bne.exe
Token: SeIncBasePriorityPrivilege	4164	remebt7bne.exe
Token: 33	4164	remebt7bne.exe
Token: SeIncBasePriorityPrivilege	4164	remebt7bne.exe
Token: 33	4164	remebt7bne.exe
Token: SeIncBasePriorityPrivilege	4164	remebt7bne.exe
Token: 33	4164	remebt7bne.exe
Token: SeIncBasePriorityPrivilege	4164	remebt7bne.exe
Token: 33	4164	remebt7bne.exe
Token: SeIncBasePriorityPrivilege	4164	remebt7bne.exe
Token: 33	4164	remebt7bne.exe
Token: SeIncBasePriorityPrivilege	4164	remebt7bne.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2740 wrote to memory of 4164	2740	c7d414e77ad789881f7313d2de7fcac8cfbdf1c87f24537bb923247715cef47fN.exe	96
PID 2740 wrote to memory of 4164	2740	c7d414e77ad789881f7313d2de7fcac8cfbdf1c87f24537bb923247715cef47fN.exe	96
PID 2740 wrote to memory of 4164	2740	c7d414e77ad789881f7313d2de7fcac8cfbdf1c87f24537bb923247715cef47fN.exe	96
PID 4164 wrote to memory of 3616	4164	remebt7bne.exe	101
PID 4164 wrote to memory of 3616	4164	remebt7bne.exe	101
PID 4164 wrote to memory of 3616	4164	remebt7bne.exe	101

C:\Users\Admin\AppData\Local\Temp\c7d414e77ad789881f7313d2de7fcac8cfbdf1c87f24537bb923247715cef47fN.exe
"C:\Users\Admin\AppData\Local\Temp\c7d414e77ad789881f7313d2de7fcac8cfbdf1c87f24537bb923247715cef47fN.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2740
- C:\Users\Admin\AppData\Local\Temp\remebt7bne.exe
  "C:\Users\Admin\AppData\Local\Temp\remebt7bne.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:4164
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\remebt7bne.exe" "remebt7bne.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:3616

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

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\remebt7bne.exe

Filesize
1.0MB

MD5
13bcf63dff44ab074142d1c1af63a180

SHA1
0a27a9bd90eaa91ae3020e2e594d0122452a1301

SHA256
c7d414e77ad789881f7313d2de7fcac8cfbdf1c87f24537bb923247715cef47f

SHA512
98df47bbca839f25a8d843f7901d487807ab84c442ed65d7f1f276e1055443b0a3da70e768477c506dea60adc5fe5a58fcef55effc341643158a93e446948613

Download Submit
memory/2740-0-0x0000000075402000-0x0000000075403000-memory.dmp

Filesize
4KB

Download
memory/2740-1-0x0000000075400000-0x00000000759B1000-memory.dmp

Filesize
5.7MB

Download
memory/2740-2-0x0000000075400000-0x00000000759B1000-memory.dmp

Filesize
5.7MB

Download
memory/2740-12-0x0000000075400000-0x00000000759B1000-memory.dmp

Filesize
5.7MB

Download
memory/4164-14-0x0000000075400000-0x00000000759B1000-memory.dmp

Filesize
5.7MB

Download
memory/4164-13-0x0000000075400000-0x00000000759B1000-memory.dmp

Filesize
5.7MB

Download
memory/4164-15-0x0000000075400000-0x00000000759B1000-memory.dmp

Filesize
5.7MB

Download
memory/4164-16-0x0000000075400000-0x00000000759B1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads