njrat | 4ba51daa0124137aeeb9aacefffa935a7159f17bc7b9ada8ed985e0e6552a89c

Analysis

max time kernel
149s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21-09-2024 06:18

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General

Target

ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe
Size

24KB
MD5

ef381d1841f2aacae8c063cdd2d28666
SHA1

05165a069e93510f377a5f5a5fbf3a74a3cb1980
SHA256

4ba51daa0124137aeeb9aacefffa935a7159f17bc7b9ada8ed985e0e6552a89c
SHA512

fa9783fa31a00b855dd4fdae10f6aa0fe1ff99bf19e465ed1316184ed6b729a4fdc019c2a7186252853aa0640f86a9c32d4dd0f46fae08dc4d6616d9ddbad932
SSDEEP

384:B/8aY1ia0N/IH+WUiWiLcXyUTly2Rc87po6ngB8W+tqlf5mRvR6JZlbw8hqIusZG:BO1Re/E+WUiW6ci6NR7tZRpcnuBZam

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
2076	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\967ced937203276aa2abb98acd12065c.exe	ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\967ced937203276aa2abb98acd12065c.exe	ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.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-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\967ced937203276aa2abb98acd12065c = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe\" .."	ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\967ced937203276aa2abb98acd12065c = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe\" .."	ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe

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 2 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	ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2804	ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe
Token: 33	2804	ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2804	ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe
Token: 33	2804	ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2804	ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe
Token: 33	2804	ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2804	ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe
Token: 33	2804	ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2804	ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe
Token: 33	2804	ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2804	ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe
Token: 33	2804	ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2804	ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe
Token: 33	2804	ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2804	ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe
Token: 33	2804	ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2804	ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe
Token: 33	2804	ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2804	ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe
Token: 33	2804	ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2804	ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe
Token: 33	2804	ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2804	ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe
Token: 33	2804	ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2804	ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe
Token: 33	2804	ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2804	ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe
Token: 33	2804	ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2804	ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe
Token: 33	2804	ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2804	ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe
Token: 33	2804	ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2804	ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe
Token: 33	2804	ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2804	ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2804 wrote to memory of 2076	2804	ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe	86
PID 2804 wrote to memory of 2076	2804	ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe	86
PID 2804 wrote to memory of 2076	2804	ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2804
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe" "ef381d1841f2aacae8c063cdd2d28666_JaffaCakes118.exe" ENABLE
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:2076

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2804-0-0x0000000074D32000-0x0000000074D33000-memory.dmp

Filesize
4KB

Download
memory/2804-1-0x0000000074D30000-0x00000000752E1000-memory.dmp

Filesize
5.7MB

Download
memory/2804-2-0x0000000074D30000-0x00000000752E1000-memory.dmp

Filesize
5.7MB

Download
memory/2804-4-0x0000000074D32000-0x0000000074D33000-memory.dmp

Filesize
4KB

Download
memory/2804-5-0x0000000074D30000-0x00000000752E1000-memory.dmp

Filesize
5.7MB

Download
memory/2804-6-0x0000000074D30000-0x00000000752E1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads