njrat | cb669fb7866317185b8524b974bc3fafa65336274c142d406b452b2a5b8ff564

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-01-2025 16:51

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General

Target

JaffaCakes118_6e69dc66ce45e54c228e317dd8675854.exe
Size

327KB
MD5

6e69dc66ce45e54c228e317dd8675854
SHA1

cea962890c7e256ac8181aff339f59970008a0c0
SHA256

cb669fb7866317185b8524b974bc3fafa65336274c142d406b452b2a5b8ff564
SHA512

ab990eaf5d5256e9c3bc6259b84e26132c369e23624ee504b400db5fc4887837f9e81705a720f11e47eddc26d052d69c9ba42db4abae9cb45e747586d7d49f10
SSDEEP

6144:t2UL2i9F/NTutkrLgGDLRPfr2UL2i9F/NTutkrLgGDLRPft:t2sF/N9DFPfr2sF/N9DFPft

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan upx

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

gejeg82586-50390.portmap.host:50390

Mutex

6aee5e7ffe1fb21cf7de6841a19c68c2

Attributes

reg_key
6aee5e7ffe1fb21cf7de6841a19c68c2
splitter
|'|'|

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
720	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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	JaffaCakes118_6e69dc66ce45e54c228e317dd8675854.exe

Drops startup file 4 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\x.vbs	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\x.vbs	cmd.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6aee5e7ffe1fb21cf7de6841a19c68c2.exe	system.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6aee5e7ffe1fb21cf7de6841a19c68c2.exe	system.exe

Executes dropped EXE 3 IoCs

pid	Process
4116	JaffaCakes118_6e69dc66ce45e54c228e317dd8675854.exe
4756	system.exe
1472	system.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\6aee5e7ffe1fb21cf7de6841a19c68c2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\system.exe\" .."	system.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\6aee5e7ffe1fb21cf7de6841a19c68c2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\system.exe\" .."	system.exe

Drops autorun.inf file 1 TTPs 5 IoCs

Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media

T1091

description	ioc	Process
File opened for modification	C:\autorun.inf	system.exe
File created	D:\autorun.inf	system.exe
File created	F:\autorun.inf	system.exe
File opened for modification	F:\autorun.inf	system.exe
File created	C:\autorun.inf	system.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4448 set thread context of 4116	4448	JaffaCakes118_6e69dc66ce45e54c228e317dd8675854.exe	84
PID 4756 set thread context of 1472	4756	system.exe	88

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4448-0-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral2/files/0x0032000000023b73-4.dat	upx
behavioral2/memory/4448-10-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral2/memory/4756-31-0x0000000000400000-0x0000000000445000-memory.dmp	upx

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 queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 7 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6e69dc66ce45e54c228e317dd8675854.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	system.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	system.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6e69dc66ce45e54c228e317dd8675854.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4448	JaffaCakes118_6e69dc66ce45e54c228e317dd8675854.exe
4448	JaffaCakes118_6e69dc66ce45e54c228e317dd8675854.exe
4448	JaffaCakes118_6e69dc66ce45e54c228e317dd8675854.exe
4448	JaffaCakes118_6e69dc66ce45e54c228e317dd8675854.exe
4756	system.exe
4756	system.exe
4756	system.exe
4756	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe
1472	system.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1472	system.exe

Suspicious behavior: RenamesItself 2 IoCs

pid	Process
4448	JaffaCakes118_6e69dc66ce45e54c228e317dd8675854.exe
4448	JaffaCakes118_6e69dc66ce45e54c228e317dd8675854.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	1472	system.exe
Token: 33	1472	system.exe
Token: SeIncBasePriorityPrivilege	1472	system.exe
Token: 33	1472	system.exe
Token: SeIncBasePriorityPrivilege	1472	system.exe
Token: 33	1472	system.exe
Token: SeIncBasePriorityPrivilege	1472	system.exe
Token: 33	1472	system.exe
Token: SeIncBasePriorityPrivilege	1472	system.exe
Token: 33	1472	system.exe
Token: SeIncBasePriorityPrivilege	1472	system.exe
Token: 33	1472	system.exe
Token: SeIncBasePriorityPrivilege	1472	system.exe
Token: 33	1472	system.exe
Token: SeIncBasePriorityPrivilege	1472	system.exe
Token: 33	1472	system.exe
Token: SeIncBasePriorityPrivilege	1472	system.exe
Token: 33	1472	system.exe
Token: SeIncBasePriorityPrivilege	1472	system.exe
Token: 33	1472	system.exe
Token: SeIncBasePriorityPrivilege	1472	system.exe
Token: 33	1472	system.exe
Token: SeIncBasePriorityPrivilege	1472	system.exe
Token: 33	1472	system.exe
Token: SeIncBasePriorityPrivilege	1472	system.exe
Token: 33	1472	system.exe
Token: SeIncBasePriorityPrivilege	1472	system.exe
Token: 33	1472	system.exe
Token: SeIncBasePriorityPrivilege	1472	system.exe
Token: 33	1472	system.exe
Token: SeIncBasePriorityPrivilege	1472	system.exe
Token: 33	1472	system.exe
Token: SeIncBasePriorityPrivilege	1472	system.exe
Token: 33	1472	system.exe
Token: SeIncBasePriorityPrivilege	1472	system.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4448	JaffaCakes118_6e69dc66ce45e54c228e317dd8675854.exe
4448	JaffaCakes118_6e69dc66ce45e54c228e317dd8675854.exe
4756	system.exe
4756	system.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 4448 wrote to memory of 3116	4448	JaffaCakes118_6e69dc66ce45e54c228e317dd8675854.exe	82
PID 4448 wrote to memory of 3116	4448	JaffaCakes118_6e69dc66ce45e54c228e317dd8675854.exe	82
PID 4448 wrote to memory of 3116	4448	JaffaCakes118_6e69dc66ce45e54c228e317dd8675854.exe	82
PID 4448 wrote to memory of 4116	4448	JaffaCakes118_6e69dc66ce45e54c228e317dd8675854.exe	84
PID 4448 wrote to memory of 4116	4448	JaffaCakes118_6e69dc66ce45e54c228e317dd8675854.exe	84
PID 4448 wrote to memory of 4116	4448	JaffaCakes118_6e69dc66ce45e54c228e317dd8675854.exe	84
PID 4448 wrote to memory of 4116	4448	JaffaCakes118_6e69dc66ce45e54c228e317dd8675854.exe	84
PID 4448 wrote to memory of 4116	4448	JaffaCakes118_6e69dc66ce45e54c228e317dd8675854.exe	84
PID 4448 wrote to memory of 4116	4448	JaffaCakes118_6e69dc66ce45e54c228e317dd8675854.exe	84
PID 4448 wrote to memory of 4116	4448	JaffaCakes118_6e69dc66ce45e54c228e317dd8675854.exe	84
PID 4448 wrote to memory of 4116	4448	JaffaCakes118_6e69dc66ce45e54c228e317dd8675854.exe	84
PID 4448 wrote to memory of 4116	4448	JaffaCakes118_6e69dc66ce45e54c228e317dd8675854.exe	84
PID 4448 wrote to memory of 4116	4448	JaffaCakes118_6e69dc66ce45e54c228e317dd8675854.exe	84
PID 4448 wrote to memory of 4116	4448	JaffaCakes118_6e69dc66ce45e54c228e317dd8675854.exe	84
PID 4448 wrote to memory of 4116	4448	JaffaCakes118_6e69dc66ce45e54c228e317dd8675854.exe	84
PID 4448 wrote to memory of 4116	4448	JaffaCakes118_6e69dc66ce45e54c228e317dd8675854.exe	84
PID 4116 wrote to memory of 4756	4116	JaffaCakes118_6e69dc66ce45e54c228e317dd8675854.exe	85
PID 4116 wrote to memory of 4756	4116	JaffaCakes118_6e69dc66ce45e54c228e317dd8675854.exe	85
PID 4116 wrote to memory of 4756	4116	JaffaCakes118_6e69dc66ce45e54c228e317dd8675854.exe	85
PID 4756 wrote to memory of 4700	4756	system.exe	86
PID 4756 wrote to memory of 4700	4756	system.exe	86
PID 4756 wrote to memory of 4700	4756	system.exe	86
PID 4756 wrote to memory of 1472	4756	system.exe	88
PID 4756 wrote to memory of 1472	4756	system.exe	88
PID 4756 wrote to memory of 1472	4756	system.exe	88
PID 4756 wrote to memory of 1472	4756	system.exe	88
PID 4756 wrote to memory of 1472	4756	system.exe	88
PID 4756 wrote to memory of 1472	4756	system.exe	88
PID 4756 wrote to memory of 1472	4756	system.exe	88
PID 4756 wrote to memory of 1472	4756	system.exe	88
PID 4756 wrote to memory of 1472	4756	system.exe	88
PID 4756 wrote to memory of 1472	4756	system.exe	88
PID 4756 wrote to memory of 1472	4756	system.exe	88
PID 4756 wrote to memory of 1472	4756	system.exe	88
PID 4756 wrote to memory of 1472	4756	system.exe	88
PID 1472 wrote to memory of 720	1472	system.exe	93
PID 1472 wrote to memory of 720	1472	system.exe	93
PID 1472 wrote to memory of 720	1472	system.exe	93

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e69dc66ce45e54c228e317dd8675854.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e69dc66ce45e54c228e317dd8675854.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4448
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c echo on error resume next:CreateObject("WScript.Shell").Run "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e69dc66ce45e54c228e317dd8675854.exe",1: >"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\x.vbs"
  2⤵
  - Drops startup file
  - System Location Discovery: System Language Discovery
  PID:3116
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e69dc66ce45e54c228e317dd8675854.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e69dc66ce45e54c228e317dd8675854.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4116
- - C:\Users\Admin\AppData\Local\Temp\system.exe
    "C:\Users\Admin\AppData\Local\Temp\system.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4756
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c echo on error resume next:CreateObject("WScript.Shell").Run "C:\Users\Admin\AppData\Local\Temp\system.exe",1: >"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\x.vbs"
      4⤵
      Drops startup file
      System Location Discovery: System Language Discovery
      PID:4700
  - - C:\Users\Admin\AppData\Local\Temp\system.exe
      C:\Users\Admin\AppData\Local\Temp\system.exe
      4⤵
      Drops startup file
      Executes dropped EXE
      Adds Run key to start application
      Drops autorun.inf file
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:1472
    - - C:\Windows\SysWOW64\netsh.exe
        
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\system.exe" "system.exe" ENABLE
        5⤵
        Modifies Windows Firewall
        Event Triggered Execution: Netsh Helper DLL
        System Location Discovery: System Language Discovery
        
        PID:720

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

T1091

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

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Replication Through Removable Media

T1091

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e69dc66ce45e54c228e317dd8675854.exe

Filesize
104KB

MD5
7bae06cbe364bb42b8c34fcfb90e3ebd

SHA1
79129af7efa46244da0676607242f0a6b7e12e78

SHA256
6ceaebd55b4a542ef64be1d6971fcfe802e67e2027366c52faacc8a8d325ec7a

SHA512
c599b72500a5c17cd5c4a81fcf220a95925aa0e5ad72aa92dd1a469fe6e3c23590c548a0be7ec2c4dbd737511a0a79c1c46436867cf7f0c4df21f8dcea9686cf

Download Submit
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e69dc66ce45e54c228e317dd8675854.exex

Filesize
327KB

MD5
6e69dc66ce45e54c228e317dd8675854

SHA1
cea962890c7e256ac8181aff339f59970008a0c0

SHA256
cb669fb7866317185b8524b974bc3fafa65336274c142d406b452b2a5b8ff564

SHA512
ab990eaf5d5256e9c3bc6259b84e26132c369e23624ee504b400db5fc4887837f9e81705a720f11e47eddc26d052d69c9ba42db4abae9cb45e747586d7d49f10

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\x.vbs

Filesize
107B

MD5
7c2ae9401506a0155d19487ac4ab8c5c

SHA1
4e87ae812886848b14001496bd6b7a3aa61ac8a2

SHA256
853760b29dc0cdf65669c73ae5c61295814ff99c36bf48ccb29785c858d836cf

SHA512
90b6de63e707385bd8ac3e048735de81630a61cd66a6e7fe985b0bfad1d1eac7b03146f70ccb266f7f1e6db0382077d85d84c7189e52268000a0365d4864e743

Download Submit
memory/4116-2-0x0000000000400000-0x0000000000A40000-memory.dmp

Filesize
6.2MB

Download
memory/4116-6-0x0000000074732000-0x0000000074733000-memory.dmp

Filesize
4KB

Download
memory/4116-7-0x0000000074730000-0x0000000074CE1000-memory.dmp

Filesize
5.7MB

Download
memory/4116-8-0x0000000074730000-0x0000000074CE1000-memory.dmp

Filesize
5.7MB

Download
memory/4116-23-0x0000000000400000-0x0000000000A40000-memory.dmp

Filesize
6.2MB

Download
memory/4116-24-0x0000000074730000-0x0000000074CE1000-memory.dmp

Filesize
5.7MB

Download
memory/4448-0-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/4448-10-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/4756-31-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download