njrat | 6553f162d0d6f8487b67881d699db12b94d5098696dada99b8803306d0f3ca32

General

Target

6553f162d0d6f8487b67881d699db12b94d5098696dada99b8803306d0f3ca32N.exe
Size

72KB
MD5

ae0c16a532ab2ce3fa18b126c74323b0
SHA1

82bac1d62bf9c21132476499e0942eba3742dd59
SHA256

6553f162d0d6f8487b67881d699db12b94d5098696dada99b8803306d0f3ca32
SHA512

863b4a5dbda92b9e5fa7b872185888463e9c0a868baf60e4641b653c9032344a05757c836c4242bd688bd307f8d3b1d234df677745ae50b5147b6b8275c7fb1e
SSDEEP

1536:0cWv7vXllWmFELSkrVlxCCABShKM6oqMezTGSSBR:HWvDXNEVj0CA6KM6oqMen1eR

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
2652	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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	6553f162d0d6f8487b67881d699db12b94d5098696dada99b8803306d0f3ca32N.exe

Executes dropped EXE 1 IoCs

pid	Process
2248	server.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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\279f6960ed84a752570aca7fb2dc1552 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\279f6960ed84a752570aca7fb2dc1552 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.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	6553f162d0d6f8487b67881d699db12b94d5098696dada99b8803306d0f3ca32N.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 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	2248	server.exe
Token: 33	2248	server.exe
Token: SeIncBasePriorityPrivilege	2248	server.exe
Token: 33	2248	server.exe
Token: SeIncBasePriorityPrivilege	2248	server.exe
Token: 33	2248	server.exe
Token: SeIncBasePriorityPrivilege	2248	server.exe
Token: 33	2248	server.exe
Token: SeIncBasePriorityPrivilege	2248	server.exe
Token: 33	2248	server.exe
Token: SeIncBasePriorityPrivilege	2248	server.exe
Token: 33	2248	server.exe
Token: SeIncBasePriorityPrivilege	2248	server.exe
Token: 33	2248	server.exe
Token: SeIncBasePriorityPrivilege	2248	server.exe
Token: 33	2248	server.exe
Token: SeIncBasePriorityPrivilege	2248	server.exe
Token: 33	2248	server.exe
Token: SeIncBasePriorityPrivilege	2248	server.exe
Token: 33	2248	server.exe
Token: SeIncBasePriorityPrivilege	2248	server.exe
Token: 33	2248	server.exe
Token: SeIncBasePriorityPrivilege	2248	server.exe
Token: 33	2248	server.exe
Token: SeIncBasePriorityPrivilege	2248	server.exe
Token: 33	2248	server.exe
Token: SeIncBasePriorityPrivilege	2248	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1016 wrote to memory of 2248	1016	6553f162d0d6f8487b67881d699db12b94d5098696dada99b8803306d0f3ca32N.exe	93
PID 1016 wrote to memory of 2248	1016	6553f162d0d6f8487b67881d699db12b94d5098696dada99b8803306d0f3ca32N.exe	93
PID 1016 wrote to memory of 2248	1016	6553f162d0d6f8487b67881d699db12b94d5098696dada99b8803306d0f3ca32N.exe	93
PID 2248 wrote to memory of 2652	2248	server.exe	97
PID 2248 wrote to memory of 2652	2248	server.exe	97
PID 2248 wrote to memory of 2652	2248	server.exe	97

C:\Users\Admin\AppData\Local\Temp\6553f162d0d6f8487b67881d699db12b94d5098696dada99b8803306d0f3ca32N.exe
"C:\Users\Admin\AppData\Local\Temp\6553f162d0d6f8487b67881d699db12b94d5098696dada99b8803306d0f3ca32N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1016
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.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:2248
- - 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:2652

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\server.exe

Filesize
72KB

MD5
ae0c16a532ab2ce3fa18b126c74323b0

SHA1
82bac1d62bf9c21132476499e0942eba3742dd59

SHA256
6553f162d0d6f8487b67881d699db12b94d5098696dada99b8803306d0f3ca32

SHA512
863b4a5dbda92b9e5fa7b872185888463e9c0a868baf60e4641b653c9032344a05757c836c4242bd688bd307f8d3b1d234df677745ae50b5147b6b8275c7fb1e

Download Submit
memory/1016-0-0x0000000074EF2000-0x0000000074EF3000-memory.dmp

Filesize
4KB

Download
memory/1016-1-0x0000000074EF0000-0x00000000754A1000-memory.dmp

Filesize
5.7MB

Download
memory/1016-2-0x0000000074EF0000-0x00000000754A1000-memory.dmp

Filesize
5.7MB

Download
memory/1016-15-0x0000000074EF0000-0x00000000754A1000-memory.dmp

Filesize
5.7MB

Download
memory/2248-16-0x0000000074EF0000-0x00000000754A1000-memory.dmp

Filesize
5.7MB

Download
memory/2248-17-0x0000000074EF0000-0x00000000754A1000-memory.dmp

Filesize
5.7MB

Download
memory/2248-18-0x0000000074EF0000-0x00000000754A1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads