njrat | a6a98e011ec777596c5085902810dfedef0f1afa157c112795258dab56de0940

General

Target

fotos_motel.exe
Size

23KB
MD5

677204a44ba4647089f651b4aef4c8b2
SHA1

401cfce35cfb81ece7eefd2354a5fb0cd05bf1d2
SHA256

7a559980416b5a8cb2b5197c4b449462d637f88136037fd75c3138d18fddd20a
SHA512

2a2735305289e9b9baf22e1312030247c9f5e91bca606afb1ff1e9b161a19dbcb616a04c8f366e8260a75c5a84f78fe9c1b6302e9aaae1dcafe474bc25793066
SSDEEP

384:t98aZYC9twBNdcvFaly2H0dbJo6HghcASEJqc/ZmRvR6JZlbw8hqIusZzZSC:t1Y+sNKqNHnSdRpcnua

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
2292	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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	fotos_motel.exe

Executes dropped EXE 1 IoCs

pid	Process
452	svchost.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-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1b6ca0ec95b6c35b2a743fc3c0b2c0db = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .."	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\1b6ca0ec95b6c35b2a743fc3c0b2c0db = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .."	svchost.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fotos_motel.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	452	svchost.exe
Token: 33	452	svchost.exe
Token: SeIncBasePriorityPrivilege	452	svchost.exe
Token: 33	452	svchost.exe
Token: SeIncBasePriorityPrivilege	452	svchost.exe
Token: 33	452	svchost.exe
Token: SeIncBasePriorityPrivilege	452	svchost.exe
Token: 33	452	svchost.exe
Token: SeIncBasePriorityPrivilege	452	svchost.exe
Token: 33	452	svchost.exe
Token: SeIncBasePriorityPrivilege	452	svchost.exe
Token: 33	452	svchost.exe
Token: SeIncBasePriorityPrivilege	452	svchost.exe
Token: 33	452	svchost.exe
Token: SeIncBasePriorityPrivilege	452	svchost.exe
Token: 33	452	svchost.exe
Token: SeIncBasePriorityPrivilege	452	svchost.exe
Token: 33	452	svchost.exe
Token: SeIncBasePriorityPrivilege	452	svchost.exe
Token: 33	452	svchost.exe
Token: SeIncBasePriorityPrivilege	452	svchost.exe
Token: 33	452	svchost.exe
Token: SeIncBasePriorityPrivilege	452	svchost.exe
Token: 33	452	svchost.exe
Token: SeIncBasePriorityPrivilege	452	svchost.exe
Token: 33	452	svchost.exe
Token: SeIncBasePriorityPrivilege	452	svchost.exe
Token: 33	452	svchost.exe
Token: SeIncBasePriorityPrivilege	452	svchost.exe
Token: 33	452	svchost.exe
Token: SeIncBasePriorityPrivilege	452	svchost.exe
Token: 33	452	svchost.exe
Token: SeIncBasePriorityPrivilege	452	svchost.exe
Token: 33	452	svchost.exe
Token: SeIncBasePriorityPrivilege	452	svchost.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 868 wrote to memory of 452	868	fotos_motel.exe	82
PID 868 wrote to memory of 452	868	fotos_motel.exe	82
PID 868 wrote to memory of 452	868	fotos_motel.exe	82
PID 452 wrote to memory of 2292	452	svchost.exe	88
PID 452 wrote to memory of 2292	452	svchost.exe	88
PID 452 wrote to memory of 2292	452	svchost.exe	88

C:\Users\Admin\AppData\Local\Temp\fotos_motel.exe
"C:\Users\Admin\AppData\Local\Temp\fotos_motel.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:868
- C:\Users\Admin\AppData\Local\Temp\svchost.exe
  "C:\Users\Admin\AppData\Local\Temp\svchost.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:452
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "svchost.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2292

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\svchost.exe

Filesize
23KB

MD5
677204a44ba4647089f651b4aef4c8b2

SHA1
401cfce35cfb81ece7eefd2354a5fb0cd05bf1d2

SHA256
7a559980416b5a8cb2b5197c4b449462d637f88136037fd75c3138d18fddd20a

SHA512
2a2735305289e9b9baf22e1312030247c9f5e91bca606afb1ff1e9b161a19dbcb616a04c8f366e8260a75c5a84f78fe9c1b6302e9aaae1dcafe474bc25793066

Download Submit
memory/452-12-0x0000000074AB0000-0x0000000075061000-memory.dmp

Filesize
5.7MB

Download
memory/452-16-0x0000000074AB0000-0x0000000075061000-memory.dmp

Filesize
5.7MB

Download
memory/868-0-0x0000000074AB2000-0x0000000074AB3000-memory.dmp

Filesize
4KB

Download
memory/868-1-0x0000000074AB0000-0x0000000075061000-memory.dmp

Filesize
5.7MB

Download
memory/868-2-0x0000000074AB0000-0x0000000075061000-memory.dmp

Filesize
5.7MB

Download
memory/868-14-0x0000000074AB0000-0x0000000075061000-memory.dmp

Filesize
5.7MB

Download
memory/868-13-0x0000000074AB2000-0x0000000074AB3000-memory.dmp

Filesize
4KB

Download
memory/868-15-0x0000000074AB0000-0x0000000075061000-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