njrat | 1db41e3285f0819f9f614052a76500038e9ec2433550c240aeceb2787b235808

General

Target

1db41e3285f0819f9f614052a76500038e9ec2433550c240aeceb2787b235808.exe
Size

31KB
MD5

582a25b26ea78d97686c3abf2732f80f
SHA1

a487f6870657f903dc947cf6bdd2055f8c2d4294
SHA256

1db41e3285f0819f9f614052a76500038e9ec2433550c240aeceb2787b235808
SHA512

ff167451e32b6aaef5bcf10bc784fdbc4ce9eb1bfd6bfdb44b747ede8587b4f69f15a06b659c3ca42ef4a65c30ecef1da9c059bf6ea7d74ce86e8b5267b7d9bd
SSDEEP

768:KvZghV5VXPKzxF+dt+XKvJ+rvajQmIDUu0ti84j:tfqciYQVkEj

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
2184	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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	1db41e3285f0819f9f614052a76500038e9ec2433550c240aeceb2787b235808.exe

Executes dropped EXE 1 IoCs

pid	Process
1248	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	1db41e3285f0819f9f614052a76500038e9ec2433550c240aeceb2787b235808.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	1248	server.exe
Token: 33	1248	server.exe
Token: SeIncBasePriorityPrivilege	1248	server.exe
Token: 33	1248	server.exe
Token: SeIncBasePriorityPrivilege	1248	server.exe
Token: 33	1248	server.exe
Token: SeIncBasePriorityPrivilege	1248	server.exe
Token: 33	1248	server.exe
Token: SeIncBasePriorityPrivilege	1248	server.exe
Token: 33	1248	server.exe
Token: SeIncBasePriorityPrivilege	1248	server.exe
Token: 33	1248	server.exe
Token: SeIncBasePriorityPrivilege	1248	server.exe
Token: 33	1248	server.exe
Token: SeIncBasePriorityPrivilege	1248	server.exe
Token: 33	1248	server.exe
Token: SeIncBasePriorityPrivilege	1248	server.exe
Token: 33	1248	server.exe
Token: SeIncBasePriorityPrivilege	1248	server.exe
Token: 33	1248	server.exe
Token: SeIncBasePriorityPrivilege	1248	server.exe
Token: 33	1248	server.exe
Token: SeIncBasePriorityPrivilege	1248	server.exe
Token: 33	1248	server.exe
Token: SeIncBasePriorityPrivilege	1248	server.exe
Token: 33	1248	server.exe
Token: SeIncBasePriorityPrivilege	1248	server.exe
Token: 33	1248	server.exe
Token: SeIncBasePriorityPrivilege	1248	server.exe
Token: 33	1248	server.exe
Token: SeIncBasePriorityPrivilege	1248	server.exe
Token: 33	1248	server.exe
Token: SeIncBasePriorityPrivilege	1248	server.exe
Token: 33	1248	server.exe
Token: SeIncBasePriorityPrivilege	1248	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2872 wrote to memory of 1248	2872	1db41e3285f0819f9f614052a76500038e9ec2433550c240aeceb2787b235808.exe	84
PID 2872 wrote to memory of 1248	2872	1db41e3285f0819f9f614052a76500038e9ec2433550c240aeceb2787b235808.exe	84
PID 2872 wrote to memory of 1248	2872	1db41e3285f0819f9f614052a76500038e9ec2433550c240aeceb2787b235808.exe	84
PID 1248 wrote to memory of 2184	1248	server.exe	85
PID 1248 wrote to memory of 2184	1248	server.exe	85
PID 1248 wrote to memory of 2184	1248	server.exe	85

C:\Users\Admin\AppData\Local\Temp\1db41e3285f0819f9f614052a76500038e9ec2433550c240aeceb2787b235808.exe
"C:\Users\Admin\AppData\Local\Temp\1db41e3285f0819f9f614052a76500038e9ec2433550c240aeceb2787b235808.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2872
- C:\Users\Admin\server.exe
  "C:\Users\Admin\server.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1248
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2184

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\server.exe

Filesize
31KB

MD5
582a25b26ea78d97686c3abf2732f80f

SHA1
a487f6870657f903dc947cf6bdd2055f8c2d4294

SHA256
1db41e3285f0819f9f614052a76500038e9ec2433550c240aeceb2787b235808

SHA512
ff167451e32b6aaef5bcf10bc784fdbc4ce9eb1bfd6bfdb44b747ede8587b4f69f15a06b659c3ca42ef4a65c30ecef1da9c059bf6ea7d74ce86e8b5267b7d9bd

Download Submit
memory/1248-22-0x00000000754A0000-0x0000000075A51000-memory.dmp

Filesize
5.7MB

Download
memory/1248-23-0x00000000754A0000-0x0000000075A51000-memory.dmp

Filesize
5.7MB

Download
memory/1248-24-0x00000000754A0000-0x0000000075A51000-memory.dmp

Filesize
5.7MB

Download
memory/2872-0-0x00000000754A2000-0x00000000754A3000-memory.dmp

Filesize
4KB

Download
memory/2872-1-0x00000000754A0000-0x0000000075A51000-memory.dmp

Filesize
5.7MB

Download
memory/2872-2-0x00000000754A0000-0x0000000075A51000-memory.dmp

Filesize
5.7MB

Download
memory/2872-21-0x00000000754A0000-0x0000000075A51000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads