njrat | 00da099a0da5a5696c213e24c0360d0ac951840fbc75e1dc1d7194482aa0484e

General

Target

c831430273ea213ea954d43aa44ff747_JaffaCakes118.exe
Size

32KB
MD5

c831430273ea213ea954d43aa44ff747
SHA1

b2c2ecf729c6716c3ae8475c22174b8f9cf3d54b
SHA256

00da099a0da5a5696c213e24c0360d0ac951840fbc75e1dc1d7194482aa0484e
SHA512

139717fc3d4d39fc85ef3a5ddbd8f97b2305074f3ad89735effce1c28f6aab939b8a547f87a2d2a9fef8587d44f29f1c75eb29b38f64e0087b95b1be9e78ddd0
SSDEEP

384:u/lvokLAB6R4qxsit7ZUtNAHfhFPIyuTwo5lDQodg9TdFpyFEIGsJjwE7UMcrieu:CD+Jg7ZU07euouDbEEIGfRS+f

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
944	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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	c831430273ea213ea954d43aa44ff747_JaffaCakes118.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\90ef69ecf72d716872dc5bdd422fb586.exe	FPSBooster.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\90ef69ecf72d716872dc5bdd422fb586.exe	FPSBooster.exe

Executes dropped EXE 1 IoCs

pid	Process
2584	FPSBooster.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-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\90ef69ecf72d716872dc5bdd422fb586 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\FPSBooster.exe\" .."	FPSBooster.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\90ef69ecf72d716872dc5bdd422fb586 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\FPSBooster.exe\" .."	FPSBooster.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	FPSBooster.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c831430273ea213ea954d43aa44ff747_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2584	FPSBooster.exe
Token: 33	2584	FPSBooster.exe
Token: SeIncBasePriorityPrivilege	2584	FPSBooster.exe
Token: 33	2584	FPSBooster.exe
Token: SeIncBasePriorityPrivilege	2584	FPSBooster.exe
Token: 33	2584	FPSBooster.exe
Token: SeIncBasePriorityPrivilege	2584	FPSBooster.exe
Token: 33	2584	FPSBooster.exe
Token: SeIncBasePriorityPrivilege	2584	FPSBooster.exe
Token: 33	2584	FPSBooster.exe
Token: SeIncBasePriorityPrivilege	2584	FPSBooster.exe
Token: 33	2584	FPSBooster.exe
Token: SeIncBasePriorityPrivilege	2584	FPSBooster.exe
Token: 33	2584	FPSBooster.exe
Token: SeIncBasePriorityPrivilege	2584	FPSBooster.exe
Token: 33	2584	FPSBooster.exe
Token: SeIncBasePriorityPrivilege	2584	FPSBooster.exe
Token: 33	2584	FPSBooster.exe
Token: SeIncBasePriorityPrivilege	2584	FPSBooster.exe
Token: 33	2584	FPSBooster.exe
Token: SeIncBasePriorityPrivilege	2584	FPSBooster.exe
Token: 33	2584	FPSBooster.exe
Token: SeIncBasePriorityPrivilege	2584	FPSBooster.exe
Token: 33	2584	FPSBooster.exe
Token: SeIncBasePriorityPrivilege	2584	FPSBooster.exe
Token: 33	2584	FPSBooster.exe
Token: SeIncBasePriorityPrivilege	2584	FPSBooster.exe
Token: 33	2584	FPSBooster.exe
Token: SeIncBasePriorityPrivilege	2584	FPSBooster.exe
Token: 33	2584	FPSBooster.exe
Token: SeIncBasePriorityPrivilege	2584	FPSBooster.exe
Token: 33	2584	FPSBooster.exe
Token: SeIncBasePriorityPrivilege	2584	FPSBooster.exe
Token: 33	2584	FPSBooster.exe
Token: SeIncBasePriorityPrivilege	2584	FPSBooster.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2240 wrote to memory of 2584	2240	c831430273ea213ea954d43aa44ff747_JaffaCakes118.exe	93
PID 2240 wrote to memory of 2584	2240	c831430273ea213ea954d43aa44ff747_JaffaCakes118.exe	93
PID 2240 wrote to memory of 2584	2240	c831430273ea213ea954d43aa44ff747_JaffaCakes118.exe	93
PID 2584 wrote to memory of 944	2584	FPSBooster.exe	96
PID 2584 wrote to memory of 944	2584	FPSBooster.exe	96
PID 2584 wrote to memory of 944	2584	FPSBooster.exe	96

C:\Users\Admin\AppData\Local\Temp\c831430273ea213ea954d43aa44ff747_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c831430273ea213ea954d43aa44ff747_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2240
- C:\Users\Admin\AppData\Local\Temp\FPSBooster.exe
  "C:\Users\Admin\AppData\Local\Temp\FPSBooster.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:2584
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\FPSBooster.exe" "FPSBooster.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:944

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\FPSBooster.exe

Filesize
32KB

MD5
c831430273ea213ea954d43aa44ff747

SHA1
b2c2ecf729c6716c3ae8475c22174b8f9cf3d54b

SHA256
00da099a0da5a5696c213e24c0360d0ac951840fbc75e1dc1d7194482aa0484e

SHA512
139717fc3d4d39fc85ef3a5ddbd8f97b2305074f3ad89735effce1c28f6aab939b8a547f87a2d2a9fef8587d44f29f1c75eb29b38f64e0087b95b1be9e78ddd0

Download Submit
memory/2240-0-0x0000000075302000-0x0000000075303000-memory.dmp

Filesize
4KB

Download
memory/2240-1-0x0000000075300000-0x00000000758B1000-memory.dmp

Filesize
5.7MB

Download
memory/2240-2-0x0000000075300000-0x00000000758B1000-memory.dmp

Filesize
5.7MB

Download
memory/2240-13-0x0000000075300000-0x00000000758B1000-memory.dmp

Filesize
5.7MB

Download
memory/2584-12-0x0000000075300000-0x00000000758B1000-memory.dmp

Filesize
5.7MB

Download
memory/2584-14-0x0000000075300000-0x00000000758B1000-memory.dmp

Filesize
5.7MB

Download
memory/2584-16-0x0000000075300000-0x00000000758B1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads