njrat | ffc680328d0645a522f58a06cc1f6d6f5f451b74de24795538ee5a7435769673

General

Target

JaffaCakes118_6a629dac4cd4cb55e817f23abcc15770.exe
Size

72KB
MD5

6a629dac4cd4cb55e817f23abcc15770
SHA1

65d7d2370b17c2b5775a40760047f33da7f7ed9f
SHA256

ffc680328d0645a522f58a06cc1f6d6f5f451b74de24795538ee5a7435769673
SHA512

52f0903adf615e61e6b967c07182ce04f03a5a2e96014cb94f9f2250f22cdc712be0f37ca95bbc971ecb696b44e7ca338c42a21bdf914baae4711d295fa43794
SSDEEP

1536:X3/oPzQUGZ0AGtZn7ikwH7pNlOKku/kM97w:HAPzQUGZ0Azkwbow/kKc

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
2848	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\39126101623909def15c2722f12bfbf9.exe	System32.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\39126101623909def15c2722f12bfbf9.exe	System32.exe

Executes dropped EXE 1 IoCs

pid	Process
2476	System32.exe

Loads dropped DLL 1 IoCs

pid	Process
1912	JaffaCakes118_6a629dac4cd4cb55e817f23abcc15770.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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\39126101623909def15c2722f12bfbf9 = "\"C:\\Users\\Admin\\AppData\\Roaming\\System32.exe\" .."	System32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\39126101623909def15c2722f12bfbf9 = "\"C:\\Users\\Admin\\AppData\\Roaming\\System32.exe\" .."	System32.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	JaffaCakes118_6a629dac4cd4cb55e817f23abcc15770.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	System32.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2476	System32.exe
Token: 33	2476	System32.exe
Token: SeIncBasePriorityPrivilege	2476	System32.exe
Token: 33	2476	System32.exe
Token: SeIncBasePriorityPrivilege	2476	System32.exe
Token: 33	2476	System32.exe
Token: SeIncBasePriorityPrivilege	2476	System32.exe
Token: 33	2476	System32.exe
Token: SeIncBasePriorityPrivilege	2476	System32.exe
Token: 33	2476	System32.exe
Token: SeIncBasePriorityPrivilege	2476	System32.exe
Token: 33	2476	System32.exe
Token: SeIncBasePriorityPrivilege	2476	System32.exe
Token: 33	2476	System32.exe
Token: SeIncBasePriorityPrivilege	2476	System32.exe
Token: 33	2476	System32.exe
Token: SeIncBasePriorityPrivilege	2476	System32.exe
Token: 33	2476	System32.exe
Token: SeIncBasePriorityPrivilege	2476	System32.exe
Token: 33	2476	System32.exe
Token: SeIncBasePriorityPrivilege	2476	System32.exe
Token: 33	2476	System32.exe
Token: SeIncBasePriorityPrivilege	2476	System32.exe
Token: 33	2476	System32.exe
Token: SeIncBasePriorityPrivilege	2476	System32.exe
Token: 33	2476	System32.exe
Token: SeIncBasePriorityPrivilege	2476	System32.exe
Token: 33	2476	System32.exe
Token: SeIncBasePriorityPrivilege	2476	System32.exe
Token: 33	2476	System32.exe
Token: SeIncBasePriorityPrivilege	2476	System32.exe
Token: 33	2476	System32.exe
Token: SeIncBasePriorityPrivilege	2476	System32.exe
Token: 33	2476	System32.exe
Token: SeIncBasePriorityPrivilege	2476	System32.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1912 wrote to memory of 2476	1912	JaffaCakes118_6a629dac4cd4cb55e817f23abcc15770.exe	30
PID 1912 wrote to memory of 2476	1912	JaffaCakes118_6a629dac4cd4cb55e817f23abcc15770.exe	30
PID 1912 wrote to memory of 2476	1912	JaffaCakes118_6a629dac4cd4cb55e817f23abcc15770.exe	30
PID 1912 wrote to memory of 2476	1912	JaffaCakes118_6a629dac4cd4cb55e817f23abcc15770.exe	30
PID 2476 wrote to memory of 2848	2476	System32.exe	31
PID 2476 wrote to memory of 2848	2476	System32.exe	31
PID 2476 wrote to memory of 2848	2476	System32.exe	31
PID 2476 wrote to memory of 2848	2476	System32.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a629dac4cd4cb55e817f23abcc15770.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a629dac4cd4cb55e817f23abcc15770.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1912
- C:\Users\Admin\AppData\Roaming\System32.exe
  "C:\Users\Admin\AppData\Roaming\System32.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:2476
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\System32.exe" "System32.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2848

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

System Information Discovery

1

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\Roaming\System32.exe

Filesize
72KB

MD5
6a629dac4cd4cb55e817f23abcc15770

SHA1
65d7d2370b17c2b5775a40760047f33da7f7ed9f

SHA256
ffc680328d0645a522f58a06cc1f6d6f5f451b74de24795538ee5a7435769673

SHA512
52f0903adf615e61e6b967c07182ce04f03a5a2e96014cb94f9f2250f22cdc712be0f37ca95bbc971ecb696b44e7ca338c42a21bdf914baae4711d295fa43794

Download Submit
memory/1912-0-0x0000000074601000-0x0000000074602000-memory.dmp

Filesize
4KB

Download
memory/1912-1-0x0000000074600000-0x0000000074BAB000-memory.dmp

Filesize
5.7MB

Download
memory/1912-2-0x0000000074600000-0x0000000074BAB000-memory.dmp

Filesize
5.7MB

Download
memory/1912-10-0x0000000074600000-0x0000000074BAB000-memory.dmp

Filesize
5.7MB

Download
memory/2476-11-0x0000000074600000-0x0000000074BAB000-memory.dmp

Filesize
5.7MB

Download
memory/2476-12-0x0000000074600000-0x0000000074BAB000-memory.dmp

Filesize
5.7MB

Download
memory/2476-14-0x0000000074600000-0x0000000074BAB000-memory.dmp

Filesize
5.7MB

Download
memory/2476-15-0x0000000074600000-0x0000000074BAB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads