njrat | 3f0dcf0987034aacac24fbc428045c6e531240053f4027417abb0fa57626e5da

General

Target

3068-18-0x00000000002E0000-0x00000000002EC000-memory.exe
Size

48KB
MD5

d7bb984bcbeaaf2873aea2bce3a36073
SHA1

f3cc4c1f1958ad809396bc00945d10b5c4968ec7
SHA256

3f0dcf0987034aacac24fbc428045c6e531240053f4027417abb0fa57626e5da
SHA512

ac7fa655f2ece9fd17fbb50a03e0154619c67c91b01dfe3eabb1ee80ce50db391aa8974167899a4bda264fc6773102e2103ca45bcb867be903a8da2fd6010ad7
SSDEEP

384:mluBPiZCMfdfSJrQbsLRGSIxYVL46pg/i8BD9BmRvR6JZlbw8hqIusZzZhnJ:JOmhtIiRpcnuqJ

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
3924	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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	3068-18-0x00000000002E0000-0x00000000002EC000-memory.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\9e82a5ccaed752a57fda004b4018de61.exe	system.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\9e82a5ccaed752a57fda004b4018de61.exe	system.exe

Executes dropped EXE 1 IoCs

pid	Process
5036	system.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-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\9e82a5ccaed752a57fda004b4018de61 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\system.exe\" .."	system.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\9e82a5ccaed752a57fda004b4018de61 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\system.exe\" .."	system.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	3068-18-0x00000000002E0000-0x00000000002EC000-memory.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	system.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	5036	system.exe
Token: 33	5036	system.exe
Token: SeIncBasePriorityPrivilege	5036	system.exe
Token: 33	5036	system.exe
Token: SeIncBasePriorityPrivilege	5036	system.exe
Token: 33	5036	system.exe
Token: SeIncBasePriorityPrivilege	5036	system.exe
Token: 33	5036	system.exe
Token: SeIncBasePriorityPrivilege	5036	system.exe
Token: 33	5036	system.exe
Token: SeIncBasePriorityPrivilege	5036	system.exe
Token: 33	5036	system.exe
Token: SeIncBasePriorityPrivilege	5036	system.exe
Token: 33	5036	system.exe
Token: SeIncBasePriorityPrivilege	5036	system.exe
Token: 33	5036	system.exe
Token: SeIncBasePriorityPrivilege	5036	system.exe
Token: 33	5036	system.exe
Token: SeIncBasePriorityPrivilege	5036	system.exe
Token: 33	5036	system.exe
Token: SeIncBasePriorityPrivilege	5036	system.exe
Token: 33	5036	system.exe
Token: SeIncBasePriorityPrivilege	5036	system.exe
Token: 33	5036	system.exe
Token: SeIncBasePriorityPrivilege	5036	system.exe
Token: 33	5036	system.exe
Token: SeIncBasePriorityPrivilege	5036	system.exe
Token: 33	5036	system.exe
Token: SeIncBasePriorityPrivilege	5036	system.exe
Token: 33	5036	system.exe
Token: SeIncBasePriorityPrivilege	5036	system.exe
Token: 33	5036	system.exe
Token: SeIncBasePriorityPrivilege	5036	system.exe
Token: 33	5036	system.exe
Token: SeIncBasePriorityPrivilege	5036	system.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3624 wrote to memory of 5036	3624	3068-18-0x00000000002E0000-0x00000000002EC000-memory.exe	84
PID 3624 wrote to memory of 5036	3624	3068-18-0x00000000002E0000-0x00000000002EC000-memory.exe	84
PID 3624 wrote to memory of 5036	3624	3068-18-0x00000000002E0000-0x00000000002EC000-memory.exe	84
PID 5036 wrote to memory of 3924	5036	system.exe	88
PID 5036 wrote to memory of 3924	5036	system.exe	88
PID 5036 wrote to memory of 3924	5036	system.exe	88

C:\Users\Admin\AppData\Local\Temp\3068-18-0x00000000002E0000-0x00000000002EC000-memory.exe
"C:\Users\Admin\AppData\Local\Temp\3068-18-0x00000000002E0000-0x00000000002EC000-memory.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3624
- C:\Users\Admin\AppData\Local\Temp\system.exe
  "C:\Users\Admin\AppData\Local\Temp\system.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:5036
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\system.exe" "system.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:3924

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\system.exe

Filesize
48KB

MD5
d7bb984bcbeaaf2873aea2bce3a36073

SHA1
f3cc4c1f1958ad809396bc00945d10b5c4968ec7

SHA256
3f0dcf0987034aacac24fbc428045c6e531240053f4027417abb0fa57626e5da

SHA512
ac7fa655f2ece9fd17fbb50a03e0154619c67c91b01dfe3eabb1ee80ce50db391aa8974167899a4bda264fc6773102e2103ca45bcb867be903a8da2fd6010ad7

Download Submit
memory/3624-0-0x00000000747E2000-0x00000000747E3000-memory.dmp

Filesize
4KB

Download
memory/3624-1-0x00000000747E0000-0x0000000074D91000-memory.dmp

Filesize
5.7MB

Download
memory/3624-2-0x00000000747E0000-0x0000000074D91000-memory.dmp

Filesize
5.7MB

Download
memory/3624-12-0x00000000747E0000-0x0000000074D91000-memory.dmp

Filesize
5.7MB

Download
memory/5036-13-0x00000000747E0000-0x0000000074D91000-memory.dmp

Filesize
5.7MB

Download
memory/5036-14-0x00000000747E0000-0x0000000074D91000-memory.dmp

Filesize
5.7MB

Download
memory/5036-16-0x00000000747E0000-0x0000000074D91000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads