njrat | 8ff239af6d8b798d47de9cbca70daa8f464ee3a27b16217659d7f3c96b51fc46

Analysis

max time kernel
149s
max time network
143s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
22-09-2024 11:19

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

f1ea4cab8e7dd69fbe0c1da59af89b91_JaffaCakes118.exe
Size

37KB
MD5

f1ea4cab8e7dd69fbe0c1da59af89b91
SHA1

3d0786e1b992d697ee68d802d0f7cd79c86f1218
SHA256

8ff239af6d8b798d47de9cbca70daa8f464ee3a27b16217659d7f3c96b51fc46
SHA512

6aed9ec70ff1953083895cee68d2b49c590e6d85b31b3e3d608650f33455dc3e4b9e8401bba2dc97739498cbfc2a8aa49999ef589f5b2da925fde98d4efd6d67
SSDEEP

384:Pj+wknsgwi+Rx3+j/NSyszcQAHtk3WSgprAF+rMRTyN/0L+EcoinblneHQM3epzi:rBksXCNhszcQAeGSwrM+rMRa8NuaH5t

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

134.249.177.58:1604

Mutex

c63beb330f10178c51fbfc0f300e7ec2

Attributes

reg_key
c63beb330f10178c51fbfc0f300e7ec2
splitter
|'|'|

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
2812	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c63beb330f10178c51fbfc0f300e7ec2.exe	lox.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c63beb330f10178c51fbfc0f300e7ec2.exe	lox.exe

Executes dropped EXE 1 IoCs

pid	Process
2576	lox.exe

Loads dropped DLL 1 IoCs

pid	Process
2000	f1ea4cab8e7dd69fbe0c1da59af89b91_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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\c63beb330f10178c51fbfc0f300e7ec2 = "\"C:\\Users\\Admin\\lox.exe\" .."	lox.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\c63beb330f10178c51fbfc0f300e7ec2 = "\"C:\\Users\\Admin\\lox.exe\" .."	lox.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 4 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	f1ea4cab8e7dd69fbe0c1da59af89b91_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lox.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
2824	taskkill.exe

Suspicious use of AdjustPrivilegeToken 36 IoCs

description	pid	Process
Token: SeDebugPrivilege	2576	lox.exe
Token: SeDebugPrivilege	2824	taskkill.exe
Token: 33	2576	lox.exe
Token: SeIncBasePriorityPrivilege	2576	lox.exe
Token: 33	2576	lox.exe
Token: SeIncBasePriorityPrivilege	2576	lox.exe
Token: 33	2576	lox.exe
Token: SeIncBasePriorityPrivilege	2576	lox.exe
Token: 33	2576	lox.exe
Token: SeIncBasePriorityPrivilege	2576	lox.exe
Token: 33	2576	lox.exe
Token: SeIncBasePriorityPrivilege	2576	lox.exe
Token: 33	2576	lox.exe
Token: SeIncBasePriorityPrivilege	2576	lox.exe
Token: 33	2576	lox.exe
Token: SeIncBasePriorityPrivilege	2576	lox.exe
Token: 33	2576	lox.exe
Token: SeIncBasePriorityPrivilege	2576	lox.exe
Token: 33	2576	lox.exe
Token: SeIncBasePriorityPrivilege	2576	lox.exe
Token: 33	2576	lox.exe
Token: SeIncBasePriorityPrivilege	2576	lox.exe
Token: 33	2576	lox.exe
Token: SeIncBasePriorityPrivilege	2576	lox.exe
Token: 33	2576	lox.exe
Token: SeIncBasePriorityPrivilege	2576	lox.exe
Token: 33	2576	lox.exe
Token: SeIncBasePriorityPrivilege	2576	lox.exe
Token: 33	2576	lox.exe
Token: SeIncBasePriorityPrivilege	2576	lox.exe
Token: 33	2576	lox.exe
Token: SeIncBasePriorityPrivilege	2576	lox.exe
Token: 33	2576	lox.exe
Token: SeIncBasePriorityPrivilege	2576	lox.exe
Token: 33	2576	lox.exe
Token: SeIncBasePriorityPrivilege	2576	lox.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2000 wrote to memory of 2576	2000	f1ea4cab8e7dd69fbe0c1da59af89b91_JaffaCakes118.exe	31
PID 2000 wrote to memory of 2576	2000	f1ea4cab8e7dd69fbe0c1da59af89b91_JaffaCakes118.exe	31
PID 2000 wrote to memory of 2576	2000	f1ea4cab8e7dd69fbe0c1da59af89b91_JaffaCakes118.exe	31
PID 2000 wrote to memory of 2576	2000	f1ea4cab8e7dd69fbe0c1da59af89b91_JaffaCakes118.exe	31
PID 2576 wrote to memory of 2812	2576	lox.exe	32
PID 2576 wrote to memory of 2812	2576	lox.exe	32
PID 2576 wrote to memory of 2812	2576	lox.exe	32
PID 2576 wrote to memory of 2812	2576	lox.exe	32
PID 2576 wrote to memory of 2824	2576	lox.exe	34
PID 2576 wrote to memory of 2824	2576	lox.exe	34
PID 2576 wrote to memory of 2824	2576	lox.exe	34
PID 2576 wrote to memory of 2824	2576	lox.exe	34

C:\Users\Admin\AppData\Local\Temp\f1ea4cab8e7dd69fbe0c1da59af89b91_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f1ea4cab8e7dd69fbe0c1da59af89b91_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2000
- C:\Users\Admin\lox.exe
  "C:\Users\Admin\lox.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:2576
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\lox.exe" "lox.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2812
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /F /IM Avast.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2824

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 Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\Users\Admin\lox.exe

Filesize
37KB

MD5
f1ea4cab8e7dd69fbe0c1da59af89b91

SHA1
3d0786e1b992d697ee68d802d0f7cd79c86f1218

SHA256
8ff239af6d8b798d47de9cbca70daa8f464ee3a27b16217659d7f3c96b51fc46

SHA512
6aed9ec70ff1953083895cee68d2b49c590e6d85b31b3e3d608650f33455dc3e4b9e8401bba2dc97739498cbfc2a8aa49999ef589f5b2da925fde98d4efd6d67

Download Submit
memory/2000-0-0x0000000074B71000-0x0000000074B72000-memory.dmp

Filesize
4KB

Download
memory/2000-1-0x0000000074B70000-0x000000007511B000-memory.dmp

Filesize
5.7MB

Download
memory/2000-2-0x0000000074B70000-0x000000007511B000-memory.dmp

Filesize
5.7MB

Download
memory/2000-11-0x0000000074B70000-0x000000007511B000-memory.dmp

Filesize
5.7MB

Download
memory/2576-10-0x0000000074B70000-0x000000007511B000-memory.dmp

Filesize
5.7MB

Download
memory/2576-13-0x0000000074B70000-0x000000007511B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads