njrat | 2a26b5ed64badbbb88cfb6a388a1e89a3fc3d80e6842caa3e3f855fa103ef9f7

General

Target

JaffaCakes118_4bdbb73aa3e10ff35092e931a7b9e7d2.exe
Size

74KB
MD5

4bdbb73aa3e10ff35092e931a7b9e7d2
SHA1

24178ab55bac8f49718326e95b355c48b89a6aa6
SHA256

2a26b5ed64badbbb88cfb6a388a1e89a3fc3d80e6842caa3e3f855fa103ef9f7
SHA512

d0b1610706b2db281ca6f3ebb08efa1b769e51e84cec02e5c1d849f00e69998508752bcdd575c7addec3c67e47ccca3a06f498fdee35af71c98133851363b28c
SSDEEP

1536:iIuQ0U05o/DIX1ShbOepovlxSBwPtFos2cj0k6RS330EhF417QVq:iIu+8xgblpOSqt2RY0HnukQ

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
3684	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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	JaffaCakes118_4bdbb73aa3e10ff35092e931a7b9e7d2.exe

Executes dropped EXE 1 IoCs

pid	Process
3180	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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\f1b38cfc1967f7c949c63f9fc81d06b8 = "\"C:\\Users\\Admin\\AppData\\Roaming\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\f1b38cfc1967f7c949c63f9fc81d06b8 = "\"C:\\Users\\Admin\\AppData\\Roaming\\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	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_4bdbb73aa3e10ff35092e931a7b9e7d2.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	3180	server.exe
Token: 33	3180	server.exe
Token: SeIncBasePriorityPrivilege	3180	server.exe
Token: 33	3180	server.exe
Token: SeIncBasePriorityPrivilege	3180	server.exe
Token: 33	3180	server.exe
Token: SeIncBasePriorityPrivilege	3180	server.exe
Token: 33	3180	server.exe
Token: SeIncBasePriorityPrivilege	3180	server.exe
Token: 33	3180	server.exe
Token: SeIncBasePriorityPrivilege	3180	server.exe
Token: 33	3180	server.exe
Token: SeIncBasePriorityPrivilege	3180	server.exe
Token: 33	3180	server.exe
Token: SeIncBasePriorityPrivilege	3180	server.exe
Token: 33	3180	server.exe
Token: SeIncBasePriorityPrivilege	3180	server.exe
Token: 33	3180	server.exe
Token: SeIncBasePriorityPrivilege	3180	server.exe
Token: 33	3180	server.exe
Token: SeIncBasePriorityPrivilege	3180	server.exe
Token: 33	3180	server.exe
Token: SeIncBasePriorityPrivilege	3180	server.exe
Token: 33	3180	server.exe
Token: SeIncBasePriorityPrivilege	3180	server.exe
Token: 33	3180	server.exe
Token: SeIncBasePriorityPrivilege	3180	server.exe
Token: 33	3180	server.exe
Token: SeIncBasePriorityPrivilege	3180	server.exe
Token: 33	3180	server.exe
Token: SeIncBasePriorityPrivilege	3180	server.exe
Token: 33	3180	server.exe
Token: SeIncBasePriorityPrivilege	3180	server.exe
Token: 33	3180	server.exe
Token: SeIncBasePriorityPrivilege	3180	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2148 wrote to memory of 3180	2148	JaffaCakes118_4bdbb73aa3e10ff35092e931a7b9e7d2.exe	86
PID 2148 wrote to memory of 3180	2148	JaffaCakes118_4bdbb73aa3e10ff35092e931a7b9e7d2.exe	86
PID 2148 wrote to memory of 3180	2148	JaffaCakes118_4bdbb73aa3e10ff35092e931a7b9e7d2.exe	86
PID 3180 wrote to memory of 3684	3180	server.exe	95
PID 3180 wrote to memory of 3684	3180	server.exe	95
PID 3180 wrote to memory of 3684	3180	server.exe	95

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4bdbb73aa3e10ff35092e931a7b9e7d2.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4bdbb73aa3e10ff35092e931a7b9e7d2.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2148
- C:\Users\Admin\AppData\Roaming\server.exe
  "C:\Users\Admin\AppData\Roaming\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:3180
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:3684

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\Roaming\server.exe

Filesize
74KB

MD5
4bdbb73aa3e10ff35092e931a7b9e7d2

SHA1
24178ab55bac8f49718326e95b355c48b89a6aa6

SHA256
2a26b5ed64badbbb88cfb6a388a1e89a3fc3d80e6842caa3e3f855fa103ef9f7

SHA512
d0b1610706b2db281ca6f3ebb08efa1b769e51e84cec02e5c1d849f00e69998508752bcdd575c7addec3c67e47ccca3a06f498fdee35af71c98133851363b28c

Download Submit
memory/2148-0-0x0000000074D72000-0x0000000074D73000-memory.dmp

Filesize
4KB

Download
memory/2148-1-0x0000000074D70000-0x0000000075321000-memory.dmp

Filesize
5.7MB

Download
memory/2148-2-0x0000000074D70000-0x0000000075321000-memory.dmp

Filesize
5.7MB

Download
memory/2148-12-0x0000000074D70000-0x0000000075321000-memory.dmp

Filesize
5.7MB

Download
memory/3180-13-0x0000000074D70000-0x0000000075321000-memory.dmp

Filesize
5.7MB

Download
memory/3180-14-0x0000000074D70000-0x0000000075321000-memory.dmp

Filesize
5.7MB

Download
memory/3180-15-0x0000000074D70000-0x0000000075321000-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