njrat | 2c27bf349baded29e86a4888fdc115e21e453919512294a494006cdd016815ce

General

Target

JaffaCakes118_4a9a06184c16a157cf47700746aa9d80.exe
Size

203KB
MD5

4a9a06184c16a157cf47700746aa9d80
SHA1

60d6bdc5adb1a66a58bfcc6c97b379532b03d3a6
SHA256

2c27bf349baded29e86a4888fdc115e21e453919512294a494006cdd016815ce
SHA512

d51dca606038475c350965e43510fe0966b3a1251c1acc04b54180227e0b1366a70016e561f39126f59c88d11104a3351b291c2e05a68617973139554a3e297f
SSDEEP

3072:7OhDbwJSdc6X6RBCNkCG3IxoNIpoZOPAYu7rbke7pkGo7haDzK0pdcS:7E3CBCNkWEIWZ8S7sG/o7IDWAd

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
584	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\9a4d3954f4a36fc3ec82429a3f12bb0b.exe	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\9a4d3954f4a36fc3ec82429a3f12bb0b.exe	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2668	svchost.exe

Loads dropped DLL 2 IoCs

pid	Process
2644	JaffaCakes118_4a9a06184c16a157cf47700746aa9d80.exe
2644	JaffaCakes118_4a9a06184c16a157cf47700746aa9d80.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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\9a4d3954f4a36fc3ec82429a3f12bb0b = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\" .."	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\9a4d3954f4a36fc3ec82429a3f12bb0b = "\"C:\\Users\\Admin\\AppData\\Roaming\\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	JaffaCakes118_4a9a06184c16a157cf47700746aa9d80.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of AdjustPrivilegeToken 30 IoCs

description	pid	Process
Token: SeDebugPrivilege	2644	JaffaCakes118_4a9a06184c16a157cf47700746aa9d80.exe
Token: 33	2644	JaffaCakes118_4a9a06184c16a157cf47700746aa9d80.exe
Token: SeIncBasePriorityPrivilege	2644	JaffaCakes118_4a9a06184c16a157cf47700746aa9d80.exe
Token: SeDebugPrivilege	2668	svchost.exe
Token: 33	2668	svchost.exe
Token: SeIncBasePriorityPrivilege	2668	svchost.exe
Token: 33	2668	svchost.exe
Token: SeIncBasePriorityPrivilege	2668	svchost.exe
Token: 33	2668	svchost.exe
Token: SeIncBasePriorityPrivilege	2668	svchost.exe
Token: 33	2668	svchost.exe
Token: SeIncBasePriorityPrivilege	2668	svchost.exe
Token: 33	2668	svchost.exe
Token: SeIncBasePriorityPrivilege	2668	svchost.exe
Token: 33	2668	svchost.exe
Token: SeIncBasePriorityPrivilege	2668	svchost.exe
Token: 33	2668	svchost.exe
Token: SeIncBasePriorityPrivilege	2668	svchost.exe
Token: 33	2668	svchost.exe
Token: SeIncBasePriorityPrivilege	2668	svchost.exe
Token: 33	2668	svchost.exe
Token: SeIncBasePriorityPrivilege	2668	svchost.exe
Token: 33	2668	svchost.exe
Token: SeIncBasePriorityPrivilege	2668	svchost.exe
Token: 33	2668	svchost.exe
Token: SeIncBasePriorityPrivilege	2668	svchost.exe
Token: 33	2668	svchost.exe
Token: SeIncBasePriorityPrivilege	2668	svchost.exe
Token: 33	2668	svchost.exe
Token: SeIncBasePriorityPrivilege	2668	svchost.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2644 wrote to memory of 2668	2644	JaffaCakes118_4a9a06184c16a157cf47700746aa9d80.exe	30
PID 2644 wrote to memory of 2668	2644	JaffaCakes118_4a9a06184c16a157cf47700746aa9d80.exe	30
PID 2644 wrote to memory of 2668	2644	JaffaCakes118_4a9a06184c16a157cf47700746aa9d80.exe	30
PID 2644 wrote to memory of 2668	2644	JaffaCakes118_4a9a06184c16a157cf47700746aa9d80.exe	30
PID 2668 wrote to memory of 584	2668	svchost.exe	31
PID 2668 wrote to memory of 584	2668	svchost.exe	31
PID 2668 wrote to memory of 584	2668	svchost.exe	31
PID 2668 wrote to memory of 584	2668	svchost.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4a9a06184c16a157cf47700746aa9d80.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4a9a06184c16a157cf47700746aa9d80.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2644
- C:\Users\Admin\AppData\Roaming\svchost.exe
  "C:\Users\Admin\AppData\Roaming\svchost.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:2668
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\svchost.exe" "svchost.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:584

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

Replay Monitor

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Roaming\svchost.exe

Filesize
203KB

MD5
4a9a06184c16a157cf47700746aa9d80

SHA1
60d6bdc5adb1a66a58bfcc6c97b379532b03d3a6

SHA256
2c27bf349baded29e86a4888fdc115e21e453919512294a494006cdd016815ce

SHA512
d51dca606038475c350965e43510fe0966b3a1251c1acc04b54180227e0b1366a70016e561f39126f59c88d11104a3351b291c2e05a68617973139554a3e297f

Download Submit
memory/2644-0-0x0000000074201000-0x0000000074202000-memory.dmp

Filesize
4KB

Download
memory/2644-1-0x0000000074200000-0x00000000747AB000-memory.dmp

Filesize
5.7MB

Download
memory/2644-2-0x0000000074200000-0x00000000747AB000-memory.dmp

Filesize
5.7MB

Download
memory/2644-4-0x0000000074200000-0x00000000747AB000-memory.dmp

Filesize
5.7MB

Download
memory/2644-3-0x0000000074200000-0x00000000747AB000-memory.dmp

Filesize
5.7MB

Download
memory/2644-15-0x0000000074200000-0x00000000747AB000-memory.dmp

Filesize
5.7MB

Download
memory/2668-16-0x0000000074200000-0x00000000747AB000-memory.dmp

Filesize
5.7MB

Download
memory/2668-17-0x0000000074200000-0x00000000747AB000-memory.dmp

Filesize
5.7MB

Download
memory/2668-18-0x0000000074200000-0x00000000747AB000-memory.dmp

Filesize
5.7MB

Download
memory/2668-20-0x0000000074200000-0x00000000747AB000-memory.dmp

Filesize
5.7MB

Download
memory/2668-19-0x0000000074200000-0x00000000747AB000-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