njrat | a5b158feaa32faf047d5cab4aca7d0e647c4be2b32db7c0c342265c571e33efe

Analysis

max time kernel
150s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
23/07/2024, 02:39

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
65d18a13a6b9f1fe7494836edb7db6fd_JaffaCakes118.exe
Size 1.0MB
Sample240723-c5ejlatbrm
SHA256 a5b158feaa32faf047d5cab4aca7d0e647c4be2b32db7c0c342265c571e33efe
MD5 65d18a13a6b9f1fe7494836edb7db6fd
SHA1 1f74ab0221f86f791a459e8cea2b1c92bd8b1897
SHA512 0a72663a60879f0b2d029337497434fd238acd4b428d65bb634ed49c799461547cf6460e0cdd2707422393f2e17b982ec18828b013608aa9e803cfc389c58c5d
SSDEEP 12288:+kRvFSnT+/Ve83FhDvcfmdm0H/xTLlUpPWFrOiUHs4bOfXwrJWKNYWVns0B:+k8MeMTDv4mdNH/xFfFcHXGgxe0
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

njrat hacked evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

127.0.0.1:1515

Mutex

eaad032a4dce29b3e1c245933f2840e9

Attributes

reg_key
eaad032a4dce29b3e1c245933f2840e9
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
5052	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-1-5-21-384068567-2943195810-3631207890-1000\Control Panel\International\Geo\Nation	65d18a13a6b9f1fe7494836edb7db6fd_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
4260	server.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

Suspicious use of AdjustPrivilegeToken 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	4260	server.exe
Token: 33	4260	server.exe
Token: SeIncBasePriorityPrivilege	4260	server.exe
Token: 33	4260	server.exe
Token: SeIncBasePriorityPrivilege	4260	server.exe
Token: 33	4260	server.exe
Token: SeIncBasePriorityPrivilege	4260	server.exe
Token: 33	4260	server.exe
Token: SeIncBasePriorityPrivilege	4260	server.exe
Token: 33	4260	server.exe
Token: SeIncBasePriorityPrivilege	4260	server.exe
Token: 33	4260	server.exe
Token: SeIncBasePriorityPrivilege	4260	server.exe
Token: 33	4260	server.exe
Token: SeIncBasePriorityPrivilege	4260	server.exe
Token: 33	4260	server.exe
Token: SeIncBasePriorityPrivilege	4260	server.exe
Token: 33	4260	server.exe
Token: SeIncBasePriorityPrivilege	4260	server.exe
Token: 33	4260	server.exe
Token: SeIncBasePriorityPrivilege	4260	server.exe
Token: 33	4260	server.exe
Token: SeIncBasePriorityPrivilege	4260	server.exe
Token: 33	4260	server.exe
Token: SeIncBasePriorityPrivilege	4260	server.exe
Token: 33	4260	server.exe
Token: SeIncBasePriorityPrivilege	4260	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 8 wrote to memory of 4260	8	65d18a13a6b9f1fe7494836edb7db6fd_JaffaCakes118.exe	95
PID 8 wrote to memory of 4260	8	65d18a13a6b9f1fe7494836edb7db6fd_JaffaCakes118.exe	95
PID 8 wrote to memory of 4260	8	65d18a13a6b9f1fe7494836edb7db6fd_JaffaCakes118.exe	95
PID 4260 wrote to memory of 5052	4260	server.exe	100
PID 4260 wrote to memory of 5052	4260	server.exe	100
PID 4260 wrote to memory of 5052	4260	server.exe	100

C:\Users\Admin\AppData\Local\Temp\65d18a13a6b9f1fe7494836edb7db6fd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\65d18a13a6b9f1fe7494836edb7db6fd_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:8
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4260
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    PID:5052

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

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

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

server.exe

Path C:\Users\Admin\AppData\Local\Temp\server.exe
Size 1.0MB
SHA256 a5b158feaa32faf047d5cab4aca7d0e647c4be2b32db7c0c342265c571e33efe
MD5 65d18a13a6b9f1fe7494836edb7db6fd
SHA1 1f74ab0221f86f791a459e8cea2b1c92bd8b1897
SHA512 0a72663a60879f0b2d029337497434fd238acd4b428d65bb634ed49c799461547cf6460e0cdd2707422393f2e17b982ec18828b013608aa9e803cfc389c58c5d
SSDEEP 12288:+kRvFSnT+/Ve83FhDvcfmdm0H/xTLlUpPWFrOiUHs4bOfXwrJWKNYWVns0B:+k8MeMTDv4mdNH/xFfFcHXGgxe0
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/8-0-0x0000000074BEE000-0x0000000074BEF000-memory.dmp

Download

memory/8-1-0x0000000000BB0000-0x0000000000CC0000-memory.dmp

Download

memory/8-2-0x0000000001550000-0x000000000155C000-memory.dmp

Download

memory/8-3-0x00000000057E0000-0x000000000587C000-memory.dmp

Download

memory/8-4-0x0000000005E30000-0x00000000063D4000-memory.dmp

Download

memory/4260-17-0x0000000074BE0000-0x0000000075390000-memory.dmp

Download

memory/4260-18-0x0000000005A90000-0x0000000005B22000-memory.dmp

Download

memory/4260-19-0x0000000074BE0000-0x0000000075390000-memory.dmp

Download

memory/4260-20-0x0000000074BE0000-0x0000000075390000-memory.dmp

Download

memory/4260-21-0x0000000005A20000-0x0000000005A2A000-memory.dmp

Download

memory/4260-22-0x0000000074BE0000-0x0000000075390000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads