njrat | 1ec71de8dbc10606192aaf91742ee7b88a5e273320f5357084de2aa072efae3f

General

Target

1ec71de8dbc10606192aaf91742ee7b88a5e273320f5357084de2aa072efae3fN.exe
Size

23KB
MD5

1dad68f6f6abd5dda4dad13a1dacb630
SHA1

d19e030f2a151f2477a4a34bccc825f45f5a0080
SHA256

1ec71de8dbc10606192aaf91742ee7b88a5e273320f5357084de2aa072efae3f
SHA512

996891d2241b8ec5178f924ce40b6e7761dcef78c41878cbd3584e42228a06019f2e8fdfadb4d2150f419ee34e3f8eb989ba72cf703e5368296c36aaa661fb01
SSDEEP

384:JoWtkEwn65rgjAsGipk55D16HgXakhbZD0mRvR6JZlbw8hqIusZzZId:e7O89pErRpcnun

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

pid	Process
1652	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	1ec71de8dbc10606192aaf91742ee7b88a5e273320f5357084de2aa072efae3fN.exe

Executes dropped EXE 1 IoCs

pid	Process
2476	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\7657c14284185fbd3fb108b43c7467ba = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\7657c14284185fbd3fb108b43c7467ba = "\"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	1ec71de8dbc10606192aaf91742ee7b88a5e273320f5357084de2aa072efae3fN.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	2476	server.exe
Token: 33	2476	server.exe
Token: SeIncBasePriorityPrivilege	2476	server.exe
Token: 33	2476	server.exe
Token: SeIncBasePriorityPrivilege	2476	server.exe
Token: 33	2476	server.exe
Token: SeIncBasePriorityPrivilege	2476	server.exe
Token: 33	2476	server.exe
Token: SeIncBasePriorityPrivilege	2476	server.exe
Token: 33	2476	server.exe
Token: SeIncBasePriorityPrivilege	2476	server.exe
Token: 33	2476	server.exe
Token: SeIncBasePriorityPrivilege	2476	server.exe
Token: 33	2476	server.exe
Token: SeIncBasePriorityPrivilege	2476	server.exe
Token: 33	2476	server.exe
Token: SeIncBasePriorityPrivilege	2476	server.exe
Token: 33	2476	server.exe
Token: SeIncBasePriorityPrivilege	2476	server.exe
Token: 33	2476	server.exe
Token: SeIncBasePriorityPrivilege	2476	server.exe
Token: 33	2476	server.exe
Token: SeIncBasePriorityPrivilege	2476	server.exe
Token: 33	2476	server.exe
Token: SeIncBasePriorityPrivilege	2476	server.exe
Token: 33	2476	server.exe
Token: SeIncBasePriorityPrivilege	2476	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3184 wrote to memory of 2476	3184	1ec71de8dbc10606192aaf91742ee7b88a5e273320f5357084de2aa072efae3fN.exe	95
PID 3184 wrote to memory of 2476	3184	1ec71de8dbc10606192aaf91742ee7b88a5e273320f5357084de2aa072efae3fN.exe	95
PID 3184 wrote to memory of 2476	3184	1ec71de8dbc10606192aaf91742ee7b88a5e273320f5357084de2aa072efae3fN.exe	95
PID 2476 wrote to memory of 1652	2476	server.exe	102
PID 2476 wrote to memory of 1652	2476	server.exe	102
PID 2476 wrote to memory of 1652	2476	server.exe	102

C:\Users\Admin\AppData\Local\Temp\1ec71de8dbc10606192aaf91742ee7b88a5e273320f5357084de2aa072efae3fN.exe
"C:\Users\Admin\AppData\Local\Temp\1ec71de8dbc10606192aaf91742ee7b88a5e273320f5357084de2aa072efae3fN.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3184
- 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:2476
- - 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:1652

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\server.exe

Filesize
23KB

MD5
1dad68f6f6abd5dda4dad13a1dacb630

SHA1
d19e030f2a151f2477a4a34bccc825f45f5a0080

SHA256
1ec71de8dbc10606192aaf91742ee7b88a5e273320f5357084de2aa072efae3f

SHA512
996891d2241b8ec5178f924ce40b6e7761dcef78c41878cbd3584e42228a06019f2e8fdfadb4d2150f419ee34e3f8eb989ba72cf703e5368296c36aaa661fb01

Download Submit
memory/2476-12-0x00000000750F0000-0x00000000756A1000-memory.dmp

Filesize
5.7MB

Download
memory/2476-14-0x00000000750F0000-0x00000000756A1000-memory.dmp

Filesize
5.7MB

Download
memory/2476-15-0x00000000750F0000-0x00000000756A1000-memory.dmp

Filesize
5.7MB

Download
memory/3184-0-0x00000000750F2000-0x00000000750F3000-memory.dmp

Filesize
4KB

Download
memory/3184-1-0x00000000750F0000-0x00000000756A1000-memory.dmp

Filesize
5.7MB

Download
memory/3184-2-0x00000000750F0000-0x00000000756A1000-memory.dmp

Filesize
5.7MB

Download
memory/3184-13-0x00000000750F0000-0x00000000756A1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads