njrat | 8b9ab333786ab687a8c4bdce265efe14bb36584f8b1eb79b32854383f1f48010

Analysis

max time kernel
150s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-01-2025 02:40

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General

Target

JaffaCakes118_69ba425eef6af0945f6ee7d10f165ac0.exe
Size

166KB
MD5

69ba425eef6af0945f6ee7d10f165ac0
SHA1

6de15229e0e8cc4600f740b0e81ece231d2a64c9
SHA256

8b9ab333786ab687a8c4bdce265efe14bb36584f8b1eb79b32854383f1f48010
SHA512

b95ea6411953045bd2d7e5bfb698127e29f1415746cccac30cbfc1db2a54af21e60eb03ff2b2a9a3a07bad86d4941455a3df896d16299da5dd34ec1928311445
SSDEEP

3072:k6uXrpCbVZsYOIyVFFZI5j7p1RVi28fe7DgW2Z:OdsPOIyVVI5j/nqqcW2

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
1832	netsh.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	JaffaCakes118_69ba425eef6af0945f6ee7d10f165ac0.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	LocalVQfGcwTmlc.exe

Executes dropped EXE 2 IoCs

pid	Process
2196	LocalVQfGcwTmlc.exe
2556	crssr.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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bbc5175c9fa97df69de3f5032432be27 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\crssr.exe\" .."	crssr.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\bbc5175c9fa97df69de3f5032432be27 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\crssr.exe\" .."	crssr.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Microsoft.NET\Framework64\v2.0.50727\config\security.config.cch.new	JaffaCakes118_69ba425eef6af0945f6ee7d10f165ac0.exe
File created	C:\Windows\Microsoft.NET\Framework64\v2.0.50727\config\enterprisesec.config.cch.new	JaffaCakes118_69ba425eef6af0945f6ee7d10f165ac0.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	LocalVQfGcwTmlc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	crssr.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000_Classes\Local Settings	JaffaCakes118_69ba425eef6af0945f6ee7d10f165ac0.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000_Classes\Local Settings	OpenWith.exe

Suspicious use of AdjustPrivilegeToken 38 IoCs

description	pid	Process
Token: SeDebugPrivilege	3604	JaffaCakes118_69ba425eef6af0945f6ee7d10f165ac0.exe
Token: 33	3604	JaffaCakes118_69ba425eef6af0945f6ee7d10f165ac0.exe
Token: SeIncBasePriorityPrivilege	3604	JaffaCakes118_69ba425eef6af0945f6ee7d10f165ac0.exe
Token: SeDebugPrivilege	2556	crssr.exe
Token: 33	2556	crssr.exe
Token: SeIncBasePriorityPrivilege	2556	crssr.exe
Token: 33	2556	crssr.exe
Token: SeIncBasePriorityPrivilege	2556	crssr.exe
Token: 33	2556	crssr.exe
Token: SeIncBasePriorityPrivilege	2556	crssr.exe
Token: 33	2556	crssr.exe
Token: SeIncBasePriorityPrivilege	2556	crssr.exe
Token: 33	2556	crssr.exe
Token: SeIncBasePriorityPrivilege	2556	crssr.exe
Token: 33	2556	crssr.exe
Token: SeIncBasePriorityPrivilege	2556	crssr.exe
Token: 33	2556	crssr.exe
Token: SeIncBasePriorityPrivilege	2556	crssr.exe
Token: 33	2556	crssr.exe
Token: SeIncBasePriorityPrivilege	2556	crssr.exe
Token: 33	2556	crssr.exe
Token: SeIncBasePriorityPrivilege	2556	crssr.exe
Token: 33	2556	crssr.exe
Token: SeIncBasePriorityPrivilege	2556	crssr.exe
Token: 33	2556	crssr.exe
Token: SeIncBasePriorityPrivilege	2556	crssr.exe
Token: 33	2556	crssr.exe
Token: SeIncBasePriorityPrivilege	2556	crssr.exe
Token: 33	2556	crssr.exe
Token: SeIncBasePriorityPrivilege	2556	crssr.exe
Token: 33	2556	crssr.exe
Token: SeIncBasePriorityPrivilege	2556	crssr.exe
Token: 33	2556	crssr.exe
Token: SeIncBasePriorityPrivilege	2556	crssr.exe
Token: 33	2556	crssr.exe
Token: SeIncBasePriorityPrivilege	2556	crssr.exe
Token: 33	2556	crssr.exe
Token: SeIncBasePriorityPrivilege	2556	crssr.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2400	OpenWith.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3604 wrote to memory of 2196	3604	JaffaCakes118_69ba425eef6af0945f6ee7d10f165ac0.exe	83
PID 3604 wrote to memory of 2196	3604	JaffaCakes118_69ba425eef6af0945f6ee7d10f165ac0.exe	83
PID 3604 wrote to memory of 2196	3604	JaffaCakes118_69ba425eef6af0945f6ee7d10f165ac0.exe	83
PID 2196 wrote to memory of 2556	2196	LocalVQfGcwTmlc.exe	86
PID 2196 wrote to memory of 2556	2196	LocalVQfGcwTmlc.exe	86
PID 2196 wrote to memory of 2556	2196	LocalVQfGcwTmlc.exe	86
PID 2556 wrote to memory of 1832	2556	crssr.exe	95
PID 2556 wrote to memory of 1832	2556	crssr.exe	95
PID 2556 wrote to memory of 1832	2556	crssr.exe	95

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69ba425eef6af0945f6ee7d10f165ac0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69ba425eef6af0945f6ee7d10f165ac0.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3604
- C:\Users\Admin\AppData\LocalVQfGcwTmlc.exe
  "C:\Users\Admin\AppData\LocalVQfGcwTmlc.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2196
- - C:\Users\Admin\AppData\Local\Temp\crssr.exe
    "C:\Users\Admin\AppData\Local\Temp\crssr.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2556
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\crssr.exe" "crssr.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:1832

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:2400

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

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\LocalVQfGcwTmlc.exe

Filesize
23KB

MD5
1863677d38a3a564000c81280e49328a

SHA1
a750228b5f2ea255e53b0334b8156501ac398ffe

SHA256
f4c42e0105bdcf7cd41c56788398eadcc845e004c49ab8623b77d65a3b7dfc2d

SHA512
2cc4bb9eedb1d4bbc2877abd0dd6b1e5f0e91bad6ce6ca56da4dd5d5873d8133fd9dc5d8e45f44fff7f98fb116b0fe9169c3bf92015d1788753a6ce95c68fcba

Download Submit
memory/2196-17-0x00000000013C0000-0x00000000013D0000-memory.dmp

Filesize
64KB

Download
memory/3604-0-0x00007FFCC2665000-0x00007FFCC2666000-memory.dmp

Filesize
4KB

Download
memory/3604-1-0x00007FFCC23B0000-0x00007FFCC2D51000-memory.dmp

Filesize
9.6MB

Download
memory/3604-2-0x000000001BE50000-0x000000001C31E000-memory.dmp

Filesize
4.8MB

Download
memory/3604-3-0x000000001C320000-0x000000001C3BC000-memory.dmp

Filesize
624KB

Download
memory/3604-4-0x00007FFCC23B0000-0x00007FFCC2D51000-memory.dmp

Filesize
9.6MB

Download
memory/3604-5-0x0000000001140000-0x000000000114C000-memory.dmp

Filesize
48KB

Download
memory/3604-20-0x00007FFCC23B0000-0x00007FFCC2D51000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads