njrat | cdccbaf582af4562cf1bc0b9af17cb1970b016978862b9783b72d63e0b978737

General

Target

cdccbaf582af4562cf1bc0b9af17cb1970b016978862b9783b72d63e0b978737N.exe
Size

23KB
MD5

9c65466b26aea00831dd162e95d55a80
SHA1

dcc9a0dddabd3bfd28aa9ea406d1557f41619edf
SHA256

cdccbaf582af4562cf1bc0b9af17cb1970b016978862b9783b72d63e0b978737
SHA512

380c8c792f79a2d5f7c8c16200b3144cda8b66a7dd7467a38d4e89f21ec26c917574cd6558147d3ea9bac11412050dd31c1a80a1c7e6fcf997afac5b73247056
SSDEEP

384:Fc6CqbFYh3odrVCGiHssDB4b6i6fgpEupNXRmRvR6JZlbw8hqIusZzZqL:GIU0tw3RpcnuD

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
396	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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	cdccbaf582af4562cf1bc0b9af17cb1970b016978862b9783b72d63e0b978737N.exe

Executes dropped EXE 1 IoCs

pid	Process
812	ServerHost.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	cdccbaf582af4562cf1bc0b9af17cb1970b016978862b9783b72d63e0b978737N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ServerHost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	812	ServerHost.exe
Token: 33	812	ServerHost.exe
Token: SeIncBasePriorityPrivilege	812	ServerHost.exe
Token: 33	812	ServerHost.exe
Token: SeIncBasePriorityPrivilege	812	ServerHost.exe
Token: 33	812	ServerHost.exe
Token: SeIncBasePriorityPrivilege	812	ServerHost.exe
Token: 33	812	ServerHost.exe
Token: SeIncBasePriorityPrivilege	812	ServerHost.exe
Token: 33	812	ServerHost.exe
Token: SeIncBasePriorityPrivilege	812	ServerHost.exe
Token: 33	812	ServerHost.exe
Token: SeIncBasePriorityPrivilege	812	ServerHost.exe
Token: 33	812	ServerHost.exe
Token: SeIncBasePriorityPrivilege	812	ServerHost.exe
Token: 33	812	ServerHost.exe
Token: SeIncBasePriorityPrivilege	812	ServerHost.exe
Token: 33	812	ServerHost.exe
Token: SeIncBasePriorityPrivilege	812	ServerHost.exe
Token: 33	812	ServerHost.exe
Token: SeIncBasePriorityPrivilege	812	ServerHost.exe
Token: 33	812	ServerHost.exe
Token: SeIncBasePriorityPrivilege	812	ServerHost.exe
Token: 33	812	ServerHost.exe
Token: SeIncBasePriorityPrivilege	812	ServerHost.exe
Token: 33	812	ServerHost.exe
Token: SeIncBasePriorityPrivilege	812	ServerHost.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1780 wrote to memory of 812	1780	cdccbaf582af4562cf1bc0b9af17cb1970b016978862b9783b72d63e0b978737N.exe	93
PID 1780 wrote to memory of 812	1780	cdccbaf582af4562cf1bc0b9af17cb1970b016978862b9783b72d63e0b978737N.exe	93
PID 1780 wrote to memory of 812	1780	cdccbaf582af4562cf1bc0b9af17cb1970b016978862b9783b72d63e0b978737N.exe	93
PID 812 wrote to memory of 396	812	ServerHost.exe	98
PID 812 wrote to memory of 396	812	ServerHost.exe	98
PID 812 wrote to memory of 396	812	ServerHost.exe	98

C:\Users\Admin\AppData\Local\Temp\cdccbaf582af4562cf1bc0b9af17cb1970b016978862b9783b72d63e0b978737N.exe
"C:\Users\Admin\AppData\Local\Temp\cdccbaf582af4562cf1bc0b9af17cb1970b016978862b9783b72d63e0b978737N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1780
- C:\ProgramData\ServerHost.exe
  "C:\ProgramData\ServerHost.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:812
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\ProgramData\ServerHost.exe" "ServerHost.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:396

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:\ProgramData\ServerHost.exe

Filesize
23KB

MD5
9c65466b26aea00831dd162e95d55a80

SHA1
dcc9a0dddabd3bfd28aa9ea406d1557f41619edf

SHA256
cdccbaf582af4562cf1bc0b9af17cb1970b016978862b9783b72d63e0b978737

SHA512
380c8c792f79a2d5f7c8c16200b3144cda8b66a7dd7467a38d4e89f21ec26c917574cd6558147d3ea9bac11412050dd31c1a80a1c7e6fcf997afac5b73247056

Download Submit
memory/812-12-0x0000000075280000-0x0000000075831000-memory.dmp

Filesize
5.7MB

Download
memory/812-14-0x0000000075280000-0x0000000075831000-memory.dmp

Filesize
5.7MB

Download
memory/812-15-0x0000000075280000-0x0000000075831000-memory.dmp

Filesize
5.7MB

Download
memory/812-16-0x0000000075280000-0x0000000075831000-memory.dmp

Filesize
5.7MB

Download
memory/812-17-0x0000000075280000-0x0000000075831000-memory.dmp

Filesize
5.7MB

Download
memory/1780-0-0x0000000075282000-0x0000000075283000-memory.dmp

Filesize
4KB

Download
memory/1780-1-0x0000000075280000-0x0000000075831000-memory.dmp

Filesize
5.7MB

Download
memory/1780-2-0x0000000075280000-0x0000000075831000-memory.dmp

Filesize
5.7MB

Download
memory/1780-13-0x0000000075280000-0x0000000075831000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads