njrat | c68ae0051ee0596c6eab371c74ba3f4f03625e5f9407eb19066ad0ae8c513a3f

General

Target

c68ae0051ee0596c6eab371c74ba3f4f03625e5f9407eb19066ad0ae8c513a3fN.exe
Size

23KB
MD5

3ddab4fcdd113806ac5f8ef3cd3c3a10
SHA1

f605ffeb54b2ced44421034bfa0728e8a01e0441
SHA256

c68ae0051ee0596c6eab371c74ba3f4f03625e5f9407eb19066ad0ae8c513a3f
SHA512

8cfec4673b02b8e7b76cee46c3d1d8d837b98aad085b5891de2ffda543f74e04fc090ae493ff99115cba7ee5452a85597d7213ffb1414ecba211ebbee27b7d21
SSDEEP

384:/MKCWZ5xTAcZeMiO7k9zW067vgdTmZFDLRmRvR6JZlbw8hqIusZzZxCO:UaZrF77boRpcnus

Score

10^/10

njrat discovery evasion persistence privilege_escalation trojan

Malware Config

Signatures

Njrat family
njrat
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

Processes:

netsh.exe

pid	Process
1824	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

Processes:

c68ae0051ee0596c6eab371c74ba3f4f03625e5f9407eb19066ad0ae8c513a3fN.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	c68ae0051ee0596c6eab371c74ba3f4f03625e5f9407eb19066ad0ae8c513a3fN.exe

Drops startup file 2 IoCs

Processes:

qza.exe

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e0db563f3b88c53c373b4bd710d69987.exe	qza.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e0db563f3b88c53c373b4bd710d69987.exe	qza.exe

Executes dropped EXE 1 IoCs

Processes:

qza.exe

pid	Process
4576	qza.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

qza.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\e0db563f3b88c53c373b4bd710d69987 = "\"C:\\Users\\Admin\\qza.exe\" .."	qza.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\e0db563f3b88c53c373b4bd710d69987 = "\"C:\\Users\\Admin\\qza.exe\" .."	qza.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

Processes:

netsh.exe

description	ioc	Process
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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

Processes:

c68ae0051ee0596c6eab371c74ba3f4f03625e5f9407eb19066ad0ae8c513a3fN.exeqza.exenetsh.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c68ae0051ee0596c6eab371c74ba3f4f03625e5f9407eb19066ad0ae8c513a3fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qza.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

Processes:

qza.exe

description	pid	Process
Token: SeDebugPrivilege	4576	qza.exe
Token: 33	4576	qza.exe
Token: SeIncBasePriorityPrivilege	4576	qza.exe
Token: 33	4576	qza.exe
Token: SeIncBasePriorityPrivilege	4576	qza.exe
Token: 33	4576	qza.exe
Token: SeIncBasePriorityPrivilege	4576	qza.exe
Token: 33	4576	qza.exe
Token: SeIncBasePriorityPrivilege	4576	qza.exe
Token: 33	4576	qza.exe
Token: SeIncBasePriorityPrivilege	4576	qza.exe
Token: 33	4576	qza.exe
Token: SeIncBasePriorityPrivilege	4576	qza.exe
Token: 33	4576	qza.exe
Token: SeIncBasePriorityPrivilege	4576	qza.exe
Token: 33	4576	qza.exe
Token: SeIncBasePriorityPrivilege	4576	qza.exe
Token: 33	4576	qza.exe
Token: SeIncBasePriorityPrivilege	4576	qza.exe
Token: 33	4576	qza.exe
Token: SeIncBasePriorityPrivilege	4576	qza.exe
Token: 33	4576	qza.exe
Token: SeIncBasePriorityPrivilege	4576	qza.exe
Token: 33	4576	qza.exe
Token: SeIncBasePriorityPrivilege	4576	qza.exe
Token: 33	4576	qza.exe
Token: SeIncBasePriorityPrivilege	4576	qza.exe
Token: 33	4576	qza.exe
Token: SeIncBasePriorityPrivilege	4576	qza.exe
Token: 33	4576	qza.exe
Token: SeIncBasePriorityPrivilege	4576	qza.exe
Token: 33	4576	qza.exe
Token: SeIncBasePriorityPrivilege	4576	qza.exe
Token: 33	4576	qza.exe
Token: SeIncBasePriorityPrivilege	4576	qza.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

c68ae0051ee0596c6eab371c74ba3f4f03625e5f9407eb19066ad0ae8c513a3fN.exeqza.exe

description	pid	Process	procid_target
PID 3552 wrote to memory of 4576	3552	c68ae0051ee0596c6eab371c74ba3f4f03625e5f9407eb19066ad0ae8c513a3fN.exe	94
PID 3552 wrote to memory of 4576	3552	c68ae0051ee0596c6eab371c74ba3f4f03625e5f9407eb19066ad0ae8c513a3fN.exe	94
PID 3552 wrote to memory of 4576	3552	c68ae0051ee0596c6eab371c74ba3f4f03625e5f9407eb19066ad0ae8c513a3fN.exe	94
PID 4576 wrote to memory of 1824	4576	qza.exe	101
PID 4576 wrote to memory of 1824	4576	qza.exe	101
PID 4576 wrote to memory of 1824	4576	qza.exe	101

C:\Users\Admin\AppData\Local\Temp\c68ae0051ee0596c6eab371c74ba3f4f03625e5f9407eb19066ad0ae8c513a3fN.exe
"C:\Users\Admin\AppData\Local\Temp\c68ae0051ee0596c6eab371c74ba3f4f03625e5f9407eb19066ad0ae8c513a3fN.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3552
- C:\Users\Admin\qza.exe
  "C:\Users\Admin\qza.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4576
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\qza.exe" "qza.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:1824

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\qza.exe

Filesize
23KB

MD5
3ddab4fcdd113806ac5f8ef3cd3c3a10

SHA1
f605ffeb54b2ced44421034bfa0728e8a01e0441

SHA256
c68ae0051ee0596c6eab371c74ba3f4f03625e5f9407eb19066ad0ae8c513a3f

SHA512
8cfec4673b02b8e7b76cee46c3d1d8d837b98aad085b5891de2ffda543f74e04fc090ae493ff99115cba7ee5452a85597d7213ffb1414ecba211ebbee27b7d21

Download Submit
memory/3552-0-0x0000000074C72000-0x0000000074C73000-memory.dmp

Filesize
4KB

Download
memory/3552-1-0x0000000074C70000-0x0000000075221000-memory.dmp

Filesize
5.7MB

Download
memory/3552-2-0x0000000074C70000-0x0000000075221000-memory.dmp

Filesize
5.7MB

Download
memory/3552-21-0x0000000074C70000-0x0000000075221000-memory.dmp

Filesize
5.7MB

Download
memory/4576-22-0x0000000074C70000-0x0000000075221000-memory.dmp

Filesize
5.7MB

Download
memory/4576-24-0x0000000074C70000-0x0000000075221000-memory.dmp

Filesize
5.7MB

Download
memory/4576-23-0x0000000074C70000-0x0000000075221000-memory.dmp

Filesize
5.7MB

Download
memory/4576-26-0x0000000074C70000-0x0000000075221000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads