njrat | df7318494453d01b13cbe49c83c1227fdb6df7243a7c9c0ed7d933f264a6a237

General

Target

JaffaCakes118_6d42f6a51d9c3c0e8a4c056feba67b20.exe
Size

122KB
MD5

6d42f6a51d9c3c0e8a4c056feba67b20
SHA1

492afe70a4a4b76b9010a0acf3c9a473697b533e
SHA256

df7318494453d01b13cbe49c83c1227fdb6df7243a7c9c0ed7d933f264a6a237
SHA512

32654218e7b47bea15b4dee78cb853ff1df7b6ad78e6bb30fcae51b3467b804eea06fe93cf1e8209ce8e17b4e6fdeaa1d372da51e9c79864f691bf9641703a98
SSDEEP

3072:gpnZGXPHrLl5QUUGNLRDYnLpckCkyI9xoGdy0zE5S34e6MYKpUqcOMijZRFh0H5F:gpZGXP3l6UUGNLRDYnL6kCkyI9xoGY0C

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
2836	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
2036	iexplorer.exe

Loads dropped DLL 2 IoCs

pid	Process
2592	JaffaCakes118_6d42f6a51d9c3c0e8a4c056feba67b20.exe
2592	JaffaCakes118_6d42f6a51d9c3c0e8a4c056feba67b20.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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\86629f265fdadf33f667924412ae73cd = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\iexplorer.exe\" .."	iexplorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\86629f265fdadf33f667924412ae73cd = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\iexplorer.exe\" .."	iexplorer.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	iexplorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6d42f6a51d9c3c0e8a4c056feba67b20.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2036	iexplorer.exe
Token: 33	2036	iexplorer.exe
Token: SeIncBasePriorityPrivilege	2036	iexplorer.exe
Token: 33	2036	iexplorer.exe
Token: SeIncBasePriorityPrivilege	2036	iexplorer.exe
Token: 33	2036	iexplorer.exe
Token: SeIncBasePriorityPrivilege	2036	iexplorer.exe
Token: 33	2036	iexplorer.exe
Token: SeIncBasePriorityPrivilege	2036	iexplorer.exe
Token: 33	2036	iexplorer.exe
Token: SeIncBasePriorityPrivilege	2036	iexplorer.exe
Token: 33	2036	iexplorer.exe
Token: SeIncBasePriorityPrivilege	2036	iexplorer.exe
Token: 33	2036	iexplorer.exe
Token: SeIncBasePriorityPrivilege	2036	iexplorer.exe
Token: 33	2036	iexplorer.exe
Token: SeIncBasePriorityPrivilege	2036	iexplorer.exe
Token: 33	2036	iexplorer.exe
Token: SeIncBasePriorityPrivilege	2036	iexplorer.exe
Token: 33	2036	iexplorer.exe
Token: SeIncBasePriorityPrivilege	2036	iexplorer.exe
Token: 33	2036	iexplorer.exe
Token: SeIncBasePriorityPrivilege	2036	iexplorer.exe
Token: 33	2036	iexplorer.exe
Token: SeIncBasePriorityPrivilege	2036	iexplorer.exe
Token: 33	2036	iexplorer.exe
Token: SeIncBasePriorityPrivilege	2036	iexplorer.exe
Token: 33	2036	iexplorer.exe
Token: SeIncBasePriorityPrivilege	2036	iexplorer.exe
Token: 33	2036	iexplorer.exe
Token: SeIncBasePriorityPrivilege	2036	iexplorer.exe
Token: 33	2036	iexplorer.exe
Token: SeIncBasePriorityPrivilege	2036	iexplorer.exe
Token: 33	2036	iexplorer.exe
Token: SeIncBasePriorityPrivilege	2036	iexplorer.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2592 wrote to memory of 2036	2592	JaffaCakes118_6d42f6a51d9c3c0e8a4c056feba67b20.exe	30
PID 2592 wrote to memory of 2036	2592	JaffaCakes118_6d42f6a51d9c3c0e8a4c056feba67b20.exe	30
PID 2592 wrote to memory of 2036	2592	JaffaCakes118_6d42f6a51d9c3c0e8a4c056feba67b20.exe	30
PID 2592 wrote to memory of 2036	2592	JaffaCakes118_6d42f6a51d9c3c0e8a4c056feba67b20.exe	30
PID 2036 wrote to memory of 2836	2036	iexplorer.exe	31
PID 2036 wrote to memory of 2836	2036	iexplorer.exe	31
PID 2036 wrote to memory of 2836	2036	iexplorer.exe	31
PID 2036 wrote to memory of 2836	2036	iexplorer.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6d42f6a51d9c3c0e8a4c056feba67b20.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6d42f6a51d9c3c0e8a4c056feba67b20.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2592
- C:\Users\Admin\AppData\Local\Temp\iexplorer.exe
  "C:\Users\Admin\AppData\Local\Temp\iexplorer.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:2036
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\iexplorer.exe" "iexplorer.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2836

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\Local\Temp\iexplorer.exe

Filesize
122KB

MD5
6d42f6a51d9c3c0e8a4c056feba67b20

SHA1
492afe70a4a4b76b9010a0acf3c9a473697b533e

SHA256
df7318494453d01b13cbe49c83c1227fdb6df7243a7c9c0ed7d933f264a6a237

SHA512
32654218e7b47bea15b4dee78cb853ff1df7b6ad78e6bb30fcae51b3467b804eea06fe93cf1e8209ce8e17b4e6fdeaa1d372da51e9c79864f691bf9641703a98

Download Submit
memory/2036-14-0x0000000074330000-0x00000000748DB000-memory.dmp

Filesize
5.7MB

Download
memory/2036-15-0x0000000074330000-0x00000000748DB000-memory.dmp

Filesize
5.7MB

Download
memory/2036-16-0x0000000074330000-0x00000000748DB000-memory.dmp

Filesize
5.7MB

Download
memory/2036-17-0x0000000074330000-0x00000000748DB000-memory.dmp

Filesize
5.7MB

Download
memory/2036-18-0x0000000074330000-0x00000000748DB000-memory.dmp

Filesize
5.7MB

Download
memory/2592-0-0x0000000074331000-0x0000000074332000-memory.dmp

Filesize
4KB

Download
memory/2592-1-0x0000000074330000-0x00000000748DB000-memory.dmp

Filesize
5.7MB

Download
memory/2592-2-0x0000000074330000-0x00000000748DB000-memory.dmp

Filesize
5.7MB

Download
memory/2592-13-0x0000000074330000-0x00000000748DB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads